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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08326438403591398 | 1.1766e-08 | |
| a | 2.85321704141932 | 1.0057e-08 | au |
| q | 2.615645681944768 | 3.1452e-08 | au |
| i | 3.072117783584426 | 4.8992e-07 | deg |
| node | 118.1041050462113 | 8.1645e-06 | deg |
| peri | 235.3351131726722 | 1.6155e-05 | deg |
| M | 83.90902630965395 | 1.2438e-05 | deg |
| tp | 2458790.194988488477
(2019-Nov-02.69498849) | 6.0815e-05 | TDB |
| period | 1760.356550903678
4.82 | 9.3074e-06
2.548e-08 | d
yr |
| n | .2045040249460793 | 1.0813e-09 | deg/d |
| Q | 3.090788400893872 | 1.0894e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.1 |
|
n/a |
MPO502188 |
|
| diameter |
diameter |
9.887 |
km |
1.614 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
8.361 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Birlan, M.; Barucci, M.A.; Angeli, C.A.; Doressoundiram, A.; De Sanctis, M.C. (1996) Planet. Space Sci. 44, 555-558.]
[Marchis, F.; Enriquez, J.E.; Emery, J.P.; Mueller, M.; et al. (2012) Icarus 221, 1130-1161.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
| geometric albedo |
albedo |
0.263 |
|
0.127 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 3623 Chaplin (1981 TG2) Discovered 1981-Oct-04 by Karachkina, L. G. at Nauchnyj |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1981 TG2 = 1952 VK = 1962 WT1 = 1971 UM4 = 1976 UG1 = 1983 CT1 = 1988 DY |
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