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895 Helio

895 Helio
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg
Discovery date11 July 1918
Designations
MPC designation(895) Helio
1918 DU
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc109.79 yr (40100 days)
Aphelion3.6686 AU (548.81 Gm)
Perihelion2.7362 AU (409.33 Gm)
3.2024 AU (479.07 Gm)
Eccentricity0.14558
5.73 yr (2093.2 d)
241.229°
0° 10m 19.164s / day
Inclination26.077°
264.704°
178.108°
Earth MOID1.75069 AU (261.899 Gm)
Jupiter MOID1.60187 AU (239.636 Gm)
TJupiter3.019
Physical characteristics
Mean diameter
148.43 ± 5.02 km[2]
109.568±1.987 km[1]
Mass(9.87 ± 6.05) × 1018 kg[2]
Mean density
5.76 ± 3.58 g/cm3[2]
9.3959 h (0.39150 d)
9.3959 h[1]
0.0420±0.002[1]
FCB/B[1]
8.3[1]

895 Helio is a large dark outer main-belt asteroid[1] about 150 km in diameter. It was discovered on 11 July 1918 by Max Wolf.[1] It is a B-type asteroid.[1]

References

  1. ^ a b c d e f g h i "JPL Small-Body Database Browser: 895 Helio". Jet Propulsion Laboratory. Retrieved 3 May 2016.
  2. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.

External links