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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 21 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2915130526174629 | 5.1084e-08 | |
| a | 2.566251034810299 | 1.008e-08 | au |
| q | 1.818155361870026 | 1.2953e-07 | au |
| i | 4.51295409220804 | 4.3003e-06 | deg |
| node | 196.5953872719612 | 5.1592e-05 | deg |
| peri | 184.9642742556611 | 5.1981e-05 | deg |
| M | 206.5717885941773 | 8.5851e-06 | deg |
| tp | 2459840.455616012274
(2022-Sep-17.95561601) | 3.7144e-05 | TDB |
| period | 1501.575359925466
4.11 | 8.8471e-06
2.422e-08 | d
yr |
| n | .2397482068551453 | 1.4126e-09 | deg/d |
| Q | 3.314346707750573 | 1.3018e-08 | 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 |
14.86 |
|
n/a |
E2021B10 |
|
| rotation period |
rot_per |
9.17438 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
|
| 26207 (1997 QU) Discovered 1997-Aug-25 by Williams, K. A. at Lake Clear |
| Reference: 20010705/Numbers.arc | Last Updated: 2004-04-19 |
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Alternate Designations
| 1997 QU = 1989 TR1 = 1989 UM8 |
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