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Planetary Satellite Physical Parameters

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Planetary Satellite Physical Parameters

The following tables provide known physical parameters for planetary satellites. References, where known, are shown in square brackets (e.g. [1]) following the particular value. The JPL lunar constants and models technical document is also available.

Earth's Moon

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Moon 4902.801±0.001 [1] 1737.5±0.1 [2] 3.344±0.005 -12.74 [3] 0.12 [3]

Martian System

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Phobos 0.0007112±0.0000010 [4] 11.1±0.15 [5] 1.872±0.076 11.4±0.2 [6] 0.071±0.012 [6] Deimos 0.0000985±0.0000024 [4] 6.2±0.18 [5] 1.471±0.166 12.45±0.05 [6] 0.068±0.007 [7]

Jovian System

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Io 5959.916±0.012 [8] 1821.6±0.5 [9] 3.528±0.006 5.02±0.03 [14] 0.63±0.02 [16] Europa 3202.739±0.009 [8] 1560.8±0.5 [10] 3.013±0.005 5.29±0.02 [14] 0.67±0.03 [17] Ganymede 9887.834±0.017 [8] 2631.2±1.7 [11] 1.942±0.005 4.61±0.03 [14] 0.43±0.02 [18] Callisto 7179.289±0.013 [8] 2410.3±1.5 [12] 1.834±0.004 5.65±0.10 [14] 0.17±0.02 [18] Amalthea 0.138±0.030 [8] 83.45±2.4 [13] 0.849±0.199 14.1±0.2 [15] 0.090±0.005 [19] Himalia 0.45 &nbsp 85 [20] 2.6 14.2R [26] 0.04 &nbsp Elara 0.058 &nbsp 43 [20] 2.6 16.0R [26] 0.04 &nbsp Pasiphae 0.020 &nbsp 30 [20] 2.6 16.8R [26] 0.04 &nbsp Sinope 0.0050 &nbsp 19 [20] 2.6 18.2R [26] 0.04 &nbsp Lysithea 0.0042 &nbsp 18 [20] 2.6 18.1R [26] 0.04 &nbsp Carme 0.0088 &nbsp 23 [20] 2.6 18.1R [26] 0.04 &nbsp Ananke 0.0020 &nbsp 14 [20] 2.6 19.1R [26] 0.04 &nbsp Leda 0.00073 &nbsp 10 [20] 2.6 19.2R [26] 0.04 &nbsp Thebe 0.10 &nbsp 49.3±2.0 [21] 3.0 16.0 [22] 0.047±0.003 [19] Adrastea 0.0005 &nbsp 8.2±2.0 [21] 3.0 18.7 [22] 0.1±0.045 [21] Metis 0.008 &nbsp 21.5±2.0 [21] 3.0 17.5 [22] 0.061±0.003 [19] Callirrhoe 0.000058 &nbsp 4.3 [25] 2.6 20.8R [26] 0.04 [25] Themisto 0.000046 &nbsp 4.0 [25] 2.6 21.0R [26] 0.04 [25] Megaclite 0.000014 &nbsp 2.7 [25] 2.6 21.7R [26] 0.04 [25] Taygete 0.000011 &nbsp 2.5 [25] 2.6 21.9R [26] 0.04 [25] Chaldene 0.000005 &nbsp 1.9 [25] 2.6 22.5R [25] 0.04 [25] Harpalyke 0.000008 &nbsp 2.2 [25] 2.6 22.2R [26] 0.04 [25] Kalyke 0.000013 &nbsp 2.6 [25] 2.6 21.8R [26] 0.04 [25] Iocaste 0.000013 &nbsp 2.6 [25] 2.6 21.8R [26] 0.04 [25] Erinome 0.000003 &nbsp 1.6 [25] 2.6 22.8R [25] 0.04 [25] Isonoe 0.000005 &nbsp 1.9 [25] 2.6 22.5R [25] 0.04 [25] Praxidike 0.000029 &nbsp 3.4 [25] 2.6 21.2R [26] 0.04 [25] Autonoe 0.000006 &nbsp 2.0 [25] 2.6 22.0R [25] 0.04 [25] Thyone 0.000006 &nbsp 2.0 [25] 2.6 22.3R [25] 0.04 [25] Hermippe 0.000006 &nbsp 2.0 [25] 2.6 22.1R [25] 0.04 [25] Aitne 0.000003 &nbsp 1.5 [25] 2.6 22.7R [25] 0.04 [25] Eurydome 0.000003 &nbsp 1.5 [25] 2.6 22.7R [25] 0.04 [25] Euanthe 0.000003 &nbsp 1.5 [25] 2.6 22.8R [25] 0.04 [25] Euporie 0.000001 &nbsp 1.0 [25] 2.6 23.1R [25] 0.04 [25] Orthosie 0.000001 &nbsp 1.0 [25] 2.6 23.1R [25] 0.04 [25] Sponde 0.000001 &nbsp 1.0 [25] 2.6 23.0R [25] 0.04 [25] Kale 0.000001 &nbsp 1.0 [25] 2.6 23.0R [25] 0.04 [25] Pasithee 0.000001 &nbsp 1.0 [25] 2.6 23.2R [25] 0.04 [25] Hegemone 0.000003 &nbsp 1.5 [25] 2.6 22.8R [25] 0.04 [25] Mneme 0.000001 &nbsp 1.0 [25] 2.6 23.3R [25] 0.04 [25] Aoede 0.000006 &nbsp 2.0 [25] 2.6 22.5R [25] 0.04 [25] Thelxinoe 0.000001 &nbsp 1.0 [25] 2.6 23.5R [25] 0.04 [25] Arche 0.000003 &nbsp 1.5 [25] 2.6 22.8R [25] 0.04 [25] Kallichore 0.000001 &nbsp 1.0 [25] 2.6 23.7R [25] 0.04 [25] Helike 0.000006 &nbsp 2.0 [25] 2.6 22.6R [25] 0.04 [25] Carpo 0.000003 &nbsp 1.5 [25] 2.6 23.0R [25] 0.04 [25] Eukelade 0.000006 &nbsp 2.0 [25] 2.6 22.6R [25] 0.04 [25] Cyllene 0.000001 &nbsp 1.0 [25] 2.6 23.2R [25] 0.04 [25] Kore 0.000001 &nbsp 1.0 [25] 2.6 23.6R [25] 0.04 [25] Herse 0.000001 &nbsp 1.0 [25] 2.6 23.4R [25] 0.04 [25] S/2000 J11 0.000001 &nbsp 1.0 [25] 2.6 22.4R [25] 0.04 [25] S/2003 J2 0.000001 &nbsp 1.0 [25] 2.6 23.2R [25] 0.04 [25] S/2003 J3 0.000001 &nbsp 1.0 [25] 2.6 23.4R [25] 0.04 [25] S/2003 J4 0.000001 &nbsp 1.0 [25] 2.6 23.0R [25] 0.04 [25] S/2003 J5 0.000006 &nbsp 2.0 [25] 2.6 22.4R [25] 0.04 [25] S/2003 J9 0.0000001 &nbsp 0.5 [25] 2.6 23.7R [25] 0.04 [25] S/2003 J10 0.000001 &nbsp 1.0 [25] 2.6 23.6R [25] 0.04 [25] S/2003 J12 0.0000001 &nbsp 0.5 [25] 2.6 23.9R [25] 0.04 [25] S/2003 J15 0.000001 &nbsp 1.0 [25] 2.6 23.5R [25] 0.04 [25] S/2003 J16 0.000001 &nbsp 1.0 [25] 2.6 23.3R [25] 0.04 [25] S/2003 J18 0.000001 &nbsp 1.0 [25] 2.6 23.4R [25] 0.04 [25] S/2003 J19 0.000001 &nbsp 1.0 [25] 2.6 23.7R [25] 0.04 [25] S/2003 J23 0.000001 &nbsp 1.0 [25] 2.6 23.6R [25] 0.04 [25] S/2010 J1 0.000001 &nbsp 1.0 [60] 2.6 23.2r [60] 0.04 [60] S/2010 J2 0.000001 &nbsp 1.0 [60] 2.6 24.0r [60] 0.04 [60] S/2011 J1 0.000001 &nbsp 1.0 [61] 2.6 23.7R [61] 0.04 [61] S/2011 J2 0.000001 &nbsp 1.0 [61] 2.6 23.5R [61] 0.04 [61]

Saturnian System

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Mimas 2.5026±0.0006 [27] 198.20±0.25 [28] 1.150±0.004 12.8 [29] 0.962±0.004 [59] Enceladus 7.2027±0.0125 [27] 252.10±0.10 [28] 1.608±0.003 11.8 [29] 1.375±0.008 [59] Tethys 41.2067±0.0038 [27] 533.00±0.70 [28] 0.973±0.004 10.2 [29] 1.229±0.005 [59] Dione 73.1146±0.0015 [27] 561.70±0.45 [28] 1.476±0.004 10.4 [29] 0.998±0.004 [59] Rhea 153.9426±0.0037 [27] 764.30±1.10 [28] 1.233±0.005 9.6 [29] 0.949±0.003 [59] Titan 8978.1382±0.0020 [27] 2574.73±0.09 [55] 1.882±0.001 8.4 [29] 0.2 [29] Hyperion 0.3727±0.0012 [27] 135.00±4.00 [54] 0.544±0.050 14.4 [29] 0.3 [29] Iapetus 120.5038±0.0080 [27] 735.60±1.50 [28] 1.083±0.007 11 [29] 0.6 [29] Phoebe 0.5532±0.0006 [27] 106.50±0.70 [54] 1.638±0.033 16.4 [34] 0.081±0.002 [30] Janus 0.1263±0.0087 [54] 89.5±1.5 [54] 0.630±0.030 14.4 [29] 0.71±0.02 [59] Epimetheus 0.0351±0.0047 [54] 58.1±1.8 [54] 0.640±0.062 15.6 [29] 0.73±0.03 [59] Helene 0.00076 &nbsp 17.6±0.4 [54] 0.5 18.4 [29] 1.67±0.20 [59] Telesto 0.00027 &nbsp 12.4±0.4 [54] 0.5 18.5 [29] 1.0 [29] Calypso 0.00017 &nbsp 10.7±0.7 [54] 0.5 18.7 [29] 1.34±0.10 [59] Atlas 0.00044±0.00015 [54] 15.1±1.2 [54] 0.460±0.110 19.0 [29] 0.4 [29] Prometheus 0.01074±0.00285 [54] 43.1±2.7 [54] 0.480±0.090 15.8 [29] 0.6 [29] Pandora 0.00924±0.00152 [54] 40.7±1.5 [54] 0.490±0.060 16.4 [29] 0.5 [29] Pan 0.00033±0.00015 [54] 14.1±1.3 [54] 0.420±0.150 19.4 [32] 0.5 [32] Methone 0.0000006 &nbsp 1.6±0.6 [54] 0.5 ? &nbsp ? &nbsp Pallene 0.0000022 &nbsp 2.5±0.6 [54] 0.5 ? &nbsp ? &nbsp Polydeuces 0.0000003 &nbsp 1.3±0.4 [54] 0.5 ? &nbsp ? &nbsp Daphnis 0.0000052±0.0000052 [54] 3.8±0.8 [54] 0.340±0.260 ? &nbsp ? &nbsp Anthe 0.0000001 &nbsp 0.9 [57] 0.5 ? &nbsp ? &nbsp Aegaeon 0.000000004 &nbsp 0.3 [56] 0.5 ? &nbsp ? &nbsp Ymir 0.00033 &nbsp 9 [33] 2.3 21.9R [34] 0.06 [33] Paaliaq 0.00055 &nbsp 11.0 [33] 2.3 21.1R [34] 0.06 [33] Tarvos 0.00018 &nbsp 7.5 [33] 2.3 22.7R [34] 0.06 [33] Ijiraq 0.000080 &nbsp 6 [33] 2.3 22.6R [35] 0.06 [33] Suttungr 0.000014 &nbsp 3.5 [33] 2.3 23.9R [35] 0.06 [33] Kiviuq 0.00022 &nbsp 8 [33] 2.3 22.1R [34] 0.06 [33] Mundilfari 0.000014 &nbsp 3.5 [33] 2.3 23.8R [35] 0.06 [33] Albiorix 0.0014 &nbsp 16 [33] 2.3 20.5R [34] 0.06 [33] Skathi 0.000021 &nbsp 4 [33] 2.3 23.6R [35] 0.06 [33] Erriapus 0.000051 &nbsp 5 [33] 2.3 23.4R [34] 0.06 [33] Siarnaq 0.0026 &nbsp 20 [33] 2.3 19.9R [34] 0.06 [33] Thrymr 0.000014 &nbsp 3.5 [33] 2.3 23.9R [35] 0.06 [33] Narvi 0.000023 &nbsp 3.5 [35] 2.3 23.8R [35] 0.04 [35] Aegir 0.000000 &nbsp 3.0 [35] 2.3 24.4R [35] 0.04 [35] Bebhionn 0.000000 &nbsp 3.0 [35] 2.3 24.1R [35] 0.04 [35] Bergelmir 0.000000 &nbsp 3.0 [35] 2.3 24.2R [35] 0.04 [35] Bestla 0.000000 &nbsp 3.5 [35] 2.3 23.8R [35] 0.04 [35] Farbauti 0.000000 &nbsp 2.5 [35] 2.3 24.7R [35] 0.04 [35] Fenrir 0.000000 &nbsp 2.0 [35] 2.3 25.0R [35] 0.04 [35] Fornjot 0.000000 &nbsp 3.0 [35] 2.3 24.6R [35] 0.04 [35] Hati 0.000000 &nbsp 3.0 [35] 2.3 24.4R [35] 0.04 [35] Hyrrokkin 0.000000 &nbsp 3.0 [35] 2.3 23.5R [35] 0.04 [35] Kari 0.000000 &nbsp 3.0 [35] 2.3 23.9R [35] 0.04 [35] Loge 0.000000 &nbsp 3.0 [35] 2.3 24.6R [35] 0.04 [35] Skoll 0.000000 &nbsp 3.0 [35] 2.3 24.5R [35] 0.04 [35] Surtur 0.000000 &nbsp 3.0 [35] 2.3 24.8R [35] 0.04 [35] Jarnsaxa 0.000000 &nbsp 3.0 [35] 2.3 24.7R [35] 0.04 [35] Greip 0.000000 &nbsp 3.0 [35] 2.3 24.4R [35] 0.04 [35] Tarqeq 0.000000 &nbsp 3.0 [35] 2.3 23.9R [35] 0.04 [35] S/2004 S7 0.000000 &nbsp 3.0 [35] 2.3 24.5R [35] 0.04 [35] S/2004 S12 0.000000 &nbsp 2.5 [35] 2.3 24.8R [35] 0.04 [35] S/2004 S13 0.000000 &nbsp 3.0 [35] 2.3 24.5R [35] 0.04 [35] S/2004 S17 0.000000 &nbsp 2.0 [35] 2.3 25.2R [35] 0.04 [35] S/2006 S1 0.000000 &nbsp 3.0 [35] 2.3 24.6R [35] 0.04 [35] S/2006 S3 0.000000 &nbsp 2.5 [35] 2.3 24.6R [35] 0.04 [35] S/2007 S2 0.000000 &nbsp 3.0 [35] 2.3 24.4R [35] 0.04 [35] S/2007 S3 0.000000 &nbsp 2.0 [35] 2.3 24.9R [35] 0.04 [35]

Uranian Satellites

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Ariel 86.4±5.0 [36] 578.9±0.6 [37] 1.592±0.092 13.70±0.04 [38] 0.39±0.04 [39] Umbriel 81.5±5.0 [36] 584.7±2.8 [37] 1.459±0.092 14.47±0.04 [38] 0.21±0.02 [39] Titania 228.2±5.0 [36] 788.9±1.8 [37] 1.662±0.038 13.49±0.04 [38] 0.27±0.03 [39] Oberon 192.4±7.0 [36] 761.4±2.6 [37] 1.559±0.059 13.70±0.04 [38] 0.23±0.03 [39] Miranda 4.4±0.4 [36] 235.8±0.7 [37] 1.214±0.109 15.79±0.04 [38] 0.32±0.03 [39] Cordelia 0.0030 &nbsp 20.1±3. [40] 1.3 23.62±0.35 [38] 0.07 [38] Ophelia 0.0036 &nbsp 21.4±4. [40] 1.3 23.26±0.25 [38] 0.07 [38] Bianca 0.0062 &nbsp 27±2 [67] 1.3 22.52±0.24 [38] 0.065±0.010 [67] Cressida 0.0229 &nbsp 41±2 [67] 1.3 21.58±0.11 [38] 0.069±0.007 [67] Desdemona 0.0119 &nbsp 35±4 [67] 1.3 21.99±0.16 [38] 0.084±0.019 [67] Juliet 0.0372 &nbsp 53±4 [67] 1.3 21.12±0.05 [38] 0.075±0.011 [67] Portia 0.1122 &nbsp 70±4 [67] 1.3 20.42±0.05 [38] 0.069±0.008 [67] Rosalind 0.0170 &nbsp 36±6 [67] 1.3 21.79±0.13 [38] 0.072±0.024 [67] Belinda 0.0238 &nbsp 45±8 [67] 1.3 21.47±0.09 [38] 0.067±0.024 [67] Puck 0.1931 &nbsp 81±2 [67] 1.3 19.75±0.05 [38] 0.104±0.006 [67] Caliban 0.020 &nbsp 36 [42] 1.5 22.4R [42] 0.04 [42] Sycorax 0.18 &nbsp 75 [42] 1.5 20.8R [42] 0.04 [42] Prospero 0.0066 &nbsp 25 [42] 1.5 23.2R [42] 0.04 [42] Setebos 0.0058 &nbsp 24 [42] 1.5 23.3R [42] 0.04 [42] Stephano 0.0017 &nbsp 16 [42] 1.5 24.1R [42] 0.04 [42] Trinculo 0.00031 &nbsp 9 [42] 1.5 25.4R [42] 0.04 [42] Francisco 0.00056 &nbsp 11 [42] 1.5 25.0R [42] 0.04 [42] Margaret 0.00042 &nbsp 10 [42] 1.5 25.2R [42] 0.04 [42] Ferdinand 0.00042 &nbsp 10 [42] 1.5 25.1R [42] 0.04 [42] Perdita 0.0012 &nbsp 13±1 [67] 1.3 23.6V [40] 0.070±0.006 [67] Mab 0.0006 &nbsp 12±1 [67] 1.3 24.6V [67] 0.103±0.006 [67] Cupid 0.0002 &nbsp 9±1 [67] 1.3 25.8V [67] 0.070±0.006 [67]

Neptunian Satellites

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Triton 1427.6±1.9 [43] 1353.4±0.9 [44] 2.059±0.005 13.54 [46] 0.719 [46] Nereid 2.06 &nbsp 170.±25. [47] 1.5 19.2R [48] 0.155 [47] Naiad 0.013 &nbsp 33.±3. [48] 1.3 23.91 [48] 0.072 [48] Thalassa 0.025 &nbsp 41.±3. [48] 1.3 23.32 [48] 0.091 [48] Despina 0.14 &nbsp 75.±3. [48] 1.3 22.00 [48] 0.090 [48] Galatea 0.25 &nbsp 88.±4. [48] 1.3 21.85 [48] 0.079 [48] Larissa 0.33 &nbsp 97.±3. [48] 1.3 21.49 [48] 0.091 [48] Proteus 3.36 &nbsp 210.±7. [48] 1.3 19.75 [48] 0.096 [48] Halimede 0.012 &nbsp 31.0 [49] 1.5 24.5R [49] 0.04 [49] Psamathe 0.0033 &nbsp 20.0 [49] 1.5 25.5R [49] 0.04 [49] Sao 0.0045 &nbsp 22.0 [49] 1.5 25.5R [49] 0.04 [49] Laomedeia 0.0039 &nbsp 21.0 [49] 1.5 25.5R [49] 0.04 [49] Neso 0.011 &nbsp 30.0 [49] 1.5 24.6R [49] 0.04 [49] S/2004 N1 0.0003 &nbsp 9.0 [62] 1.3 26.5V [62] 0.10 [62]

Pluto's Satellites

Sat.GM
(km3/sec2) Mean radius
(km) Mean density
(g/cm3) Magnitude
V0 or R Geometric
Albedo
Charon 102.3±0.2 [66] 603.6±1.4 [51] 1.664±0.012 17.26±0.01 [52] 0.372±0.012 [52] Nix 0.0013±0.0023 [66] 23.0±2. [63] 2.1 23.4V±0.2 [63] 0.35 [63] Hydra 0.0065±0.0022 [66] 30.5±4. [63] 0.8 22.9V±0.1 [63] 0.35 [63] Kerberos 0.0011±0.0005 [66] 14.0 [64] 1.4 26.1V±0.3 [64] 0.35 [64] Styx 0.0000±0.0008 [66] 10.0 [65] ? 27.0V±0.3 [65] 0.35 [65]

Table Column Headings

GM GM: G = 6.67259x10-20(kg-1 km3 sec-2), M = mass (kg), if the density is assumed (i. e. has no uncertainty) the value is computed from the density and mean radius Mean radius Mean radius: if no uncertainty is given, the value is computed from the magnitude and albedo Mean density Mean density: derived from the GM and mean radius when an uncertainty is given, otherwise assumed Magnitude Mean opposition magnitude: V0, or red magnitude, R Geometric Albedo Geometric albedo

References

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H., McEwen, A., Schubert, G., Belton, M. J. S., and the Galileo Imaging Team 1998, ``The Shape of Io from Galileo Limb Measurements'', Icarus 135, 175-180. 10. Thomas, P.C. 2002. private communication of limb fit results 11. Anderson, J. D., Jacobson, R. A., Lau, E. L., Moore, W. B., Olsen, O., Schubert, G., and Thomas, P. C. 2000. ``Shape, Mean Radius, Gravity Field and Interior Structure of Ganymede'', Bulletin of the American Astronomical Society 33(3), 1101. 12. Anderson, J.D., Jacobson, R.A., McElrath, T. P., Schubert,G., Moore, W.B., and Thomas, P. C. 2000a. ``Shape, Mean Radius, Gravity Field and Interior Structure of Callisto'', Icarus 153, 157-161. 13. Thomas, P.C. 2002. private communication of Amalthea volume based on its shape model 14. Morrison, D., N. D. Morrison, and Lazarewicz, A. R. 1974. ``Four color photometry of the Galilean satellites'', Icarus 23, 399-416. 15. Thomas, P. and Veverka, J. 1982. ``Amalthea'', In Satellites of Jupiter (D. Morrison Eds.) pp. 147-173. 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