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JPL Small-Body Database Browser

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156 Xanthippe Classification:           SPK-ID: 2000156 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 163 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units  .2272117365217108 3.3282e-08   2.727097982451302 8.577e-09 au 2.107469314193688 9.1169e-08 au 9.78185203135244 3.8669e-06 deg 241.8287623567741 2.2883e-05 deg 338.2902590094997 2.4256e-05 deg 121.7967234221851 9.1813e-06 deg 2458043.977606513750
(2017-Oct-17.47760651) 4.1061e-05 TDB 1644.93802481518
4.50 7.7602e-06
2.125e-08 d
yr .2188532300725728 1.0325e-09 deg/d 3.346726650708916 1.0526e-08 au Orbit Determination Parameters        3115           43141 days (118.11 yr)           1901-09-19           2019-10-31           DE431           SB431-N16           0           .44031           ORB           Otto Matic           2019-Nov-07 01:50:11  
Additional Information  = 1.10239 au    = 1.66827 au    = 3.298  [ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes H 8.64   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20 diameter 143.346 km 0.903 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rot_per 22.132 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Debehogne, H.; De Sanctis, G.; Zappala, V. (1982) Astron. Astrophys. 108, 197-200.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2019) Minor Planet Bull. 46, 58-60.] albedo 0.030   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   BV 0.713   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=10; phase (min.=3.10, mean=10.52, max.=12.83) deg. UB 0.315   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=11; phase (min.=3.10, mean=9.86, max.=12.83) deg. spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)
156 Xanthippe          Discovered 1875-Nov-22 by Palisa, J. at Pola Reference: DISCOVERY.DB Last Updated: 2003-08-29
[ show close-approach data ]
Alternate Designations
 1936 FG1 = 1942 RP = 1949 BN = A901 SA = A902 VA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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