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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 35 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2423685134307971 | 3.8722e-08 | |
| a | 2.377418353046063 | 5.6882e-09 | au |
| q | 1.801207001015195 | 9.2711e-08 | au |
| i | 4.284865314111524 | 3.7075e-06 | deg |
| node | 304.7578888947955 | 4.3914e-05 | deg |
| peri | 17.47562364415581 | 4.442e-05 | deg |
| M | 37.93505929814379 | 5.587e-06 | deg |
| tp | 2459059.410365013000
(2020-Jul-28.91036501) | 2.0907e-05 | TDB |
| period | 1338.926827453396
3.67 | 4.8053e-06
1.316e-08 | d
yr |
| n | .2688720493297686 | 9.6496e-10 | deg/d |
| Q | 2.953629705076931 | 7.0669e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.03 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
7.525 |
km |
1.714 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M) |
|
| rotation period |
rot_per |
4.4243 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]
[Polishook, D. (2014) Icarus 241, 79-96.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.058 |
|
0.041 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M) |
|
|
| 5026 Martes (1987 QL1) Discovered 1987-Aug-22 by Mrkos, A. at Klet |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1987 QL1 = 1965 QE = 1976 QL = 1980 VA2 |
|
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