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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1039062638865183 | 3.6945e-08 | |
a | 3.069170825946152 | 1.0665e-08 | au |
q | 2.750264752192587 | 1.1315e-07 | au |
i | 8.850481073019282 | 3.8166e-06 | deg |
node | 136.7263499751062 | 2.8903e-05 | deg |
peri | .2535889143104002 | 3.6188e-05 | deg |
M | 268.7981622838272 | 2.2272e-05 | deg |
tp | 2459498.043558052044 (2021-Oct-10.54355805) | 0.00012254 | TDB |
period | 1963.948154818522 5.38 | 1.0237e-05 2.803e-08 | d yr |
n | .1833042278212613 | 9.5546e-10 | deg/d |
Q | 3.388076899699715 | 1.1773e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
7.5 |
|
n/a |
MPO502154 |
IRAS observations used: 5 |
diameter |
diameter |
86.15 |
km |
2.4 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 5 |
rotation period |
rot_per |
23.670 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Stephens, R.D.; Pilcher, F.; Hamanowa, H.; Hamanowa, H.; Ferrero, A. (2011) Minor Planet Bull. 38, 208-209.] [Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.] |
geometric albedo |
albedo |
0.2562 |
|
0.015 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 5 |
B-V |
BV |
0.875 |
|
0.023 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=4.80, mean=8.43, max.=12.05) deg. |
U-B |
UB |
0.475 |
|
0.032 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=4.80, mean=8.43, max.=12.05) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
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202 Chryseis (A879 RA) Discovered 1879-Sep-11 by Peters, C. H. F. at Clinton |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
A879 RA = 1935 BL = A901 TA |
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