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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1823282016362658 | 3.007e-08 | |
| a | 2.675515632769981 | 8.3365e-09 | au |
| q | 2.187693678997315 | 8e-08 | au |
| i | 11.8580567661266 | 3.2908e-06 | deg |
| node | 152.8510972897595 | 1.6448e-05 | deg |
| peri | 276.0129953959482 | 1.9272e-05 | deg |
| M | 153.4926281418937 | 1.1642e-05 | deg |
| tp | 2458318.954762080456
(2018-Jul-19.45476208) | 5.0192e-05 | TDB |
| period | 1598.489052022878
4.38 | 7.471e-06
2.045e-08 | d
yr |
| n | .2252126779000595 | 1.0526e-09 | deg/d |
| Q | 3.163337586542648 | 9.8565e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.7 |
|
n/a |
MPO473782 |
|
| diameter |
diameter |
26.517 |
km |
0.090 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
9.807 |
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:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hawkins, S.; Ditteon, R. (2008) Minor Planet Bull. 35, 1-4.]
[Vinson, R.; Moore, R.; Ditteon, R. (2014) Minor Planet Bull. 41, 169-170.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.064 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 1384 Kniertje (1934 RX) Discovered 1934-Sep-09 by Van Gent, H. at Johannesburg (LS) |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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