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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1485463852025494 | 3.9135e-08 | |
| a | 2.305419587938581 | 7.4576e-09 | au |
| q | 1.962957841775154 | 9.0248e-08 | au |
| i | 6.45817969372381 | 4.2249e-06 | deg |
| node | 316.5850901746392 | 3.5233e-05 | deg |
| peri | 356.1718697629079 | 3.8154e-05 | deg |
| M | 102.352766977416 | 1.4084e-05 | deg |
| tp | 2458636.986551935712
(2019-Jun-02.48655194) | 5.0286e-05 | TDB |
| period | 1278.566717517453
3.50 | 6.2039e-06
1.699e-08 | d
yr |
| n | .2815652832720368 | 1.3662e-09 | deg/d |
| Q | 2.647881334102008 | 8.5654e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.1 |
|
n/a |
MPO253677 |
|
| diameter |
diameter |
3.456 |
km |
0.465 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
6.55436 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] |
| geometric albedo |
albedo |
0.407 |
|
0.096 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 48997 (1998 QT51) Discovered 1998-Aug-17 by LINEAR at Socorro |
| Reference: 20021120/Numbers.arc | Last Updated: 2004-04-19 |
|
Alternate Designations
| 1998 QT51 = 1935 QL = 1935 SP = 1987 KH = 1991 RV18 |
|
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