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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 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09404508067679031 | 2.0774e-08 | |
| a | 2.463958228379914 | 7.6089e-09 | au |
| q | 2.232235078007683 | 4.9833e-08 | au |
| i | 5.94907732921931 | 5.9986e-07 | deg |
| node | 210.6521913383878 | 5.5895e-06 | deg |
| peri | 217.0727800764915 | 1.9778e-05 | deg |
| M | 180.9683640260502 | 1.5171e-05 | deg |
| tp | 2459903.047540508020
(2022-Nov-19.54754051) | 5.9825e-05 | TDB |
| period | 1412.69509831038
3.87 | 6.5438e-06
1.792e-08 | d
yr |
| n | .2548320585458032 | 1.1804e-09 | deg/d |
| Q | 2.695681378752144 | 8.3245e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.04 |
|
n/a |
E2021B10 |
|
| rotation period |
rot_per |
20.22 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
[Result based on fragmentary lightcurve(s), may be completely wrong.] |
|
| 21361 Carsonmark | Discovered 1997 Apr. 28 by Spacewatch at Kitt Peak. |
| Jordan Carson Mark (1913-1997) worked as a physicist and administrator at Los Alamos National Laboratory and as an advisor on the safety of nuclear reactors. Name suggested and citation prepared by Robert Jedicke and Peter Jedicke. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC batch dated 2016-08-18 | Last Updated: 2016-11-23 |
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