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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 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1535364521944305 | 2.2711e-08 | |
| a | 2.605857727351648 | 9.1447e-09 | au |
| q | 2.205763576970634 | 6.222e-08 | au |
| i | 12.7050034639483 | 5.326e-07 | deg |
| node | 193.1718314462206 | 2.6596e-06 | deg |
| peri | 259.8562524831867 | 6.4567e-06 | deg |
| M | 310.7037853852719 | 8.8711e-06 | deg |
| tp | 2459410.895065039506
(2021-Jul-15.39506504) | 3.8207e-05 | TDB |
| period | 1536.471390474527
4.21 | 8.0879e-06
2.214e-08 | d
yr |
| n | .2343030935895375 | 1.2334e-09 | deg/d |
| Q | 3.005951877732661 | 1.0549e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.54 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
7.910 |
km |
0.202 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.257 |
|
0.018 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 2810 Lev Tolstoj (1978 RU5) Discovered 1978-Sep-13 by Chernykh, N. at Nauchnyj |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1978 RU5 = 1957 UW = 1976 GG2 |
|
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