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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 45 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2743293752726452 | 1.018e-08 | |
| a | 2.362778895059691 | 7.0806e-09 | au |
| q | 1.714599236870575 | 2.3371e-08 | au |
| i | 23.0132741534291 | 3.9698e-07 | deg |
| node | 27.27617282025745 | 1.2622e-06 | deg |
| peri | 282.3244314080968 | 4.3594e-06 | deg |
| M | 221.8312947130836 | 5.09e-06 | deg |
| tp | 2459709.643540922186
(2022-May-10.14354092) | 2.031e-05 | TDB |
| period | 1326.578796199688
3.63 | 5.9631e-06
1.633e-08 | d
yr |
| n | .2713747581608486 | 1.2199e-09 | deg/d |
| Q | 3.010958553248807 | 9.023e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.10 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
26.541 |
km |
0.155 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
4.6134 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Tedesco, E.F. (1979) PhD Dissertation, New. Mex. State Univ. 280pp.]
[Harris, A.W.; Young, J.W.; Bowell, E.; Tholen, D.J. (1999) Icarus 142, 173-201.]
[Kiss, L.L.; Szabo, G.; Sarneczky, K. (1999) Astron. Astrophys. Suppl. Ser. 140, 21-28.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polishook, D. (2012) Minor Planet Bull. 39, 242-244.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Klinglesmith III, D.A.; Hanowell, J.; Risley, E.; Janek, T.; et al. (2013) Minor Planet Bull. 40, 154-156.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 144-155.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.]
[Gonzalez, L.; Bentz, M.C.; Paredes, L. (2019) Minor Planet Bull. 46, 8-9.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.225 |
|
0.028 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 852 Wladilena (A916 GM) Discovered 1916-Apr-02 by Belyavskij, S. at Simeis |
| Discovered at Simeis during the First World War while Simeis was not in communication with the Rechen-Institut for long periods of time were given provisional designations containing the Greek letter SIGMA. These are here abbreviated S. |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| A916 GM = A913 SB = A924 WJ |
|
|
