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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 44 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07345679644929108 | 3.1771e-08 | |
| a | 2.679590765412972 | 1.0174e-08 | au |
| q | 2.482756611990632 | 8.5264e-08 | au |
| i | 8.459257340206602 | 3.7218e-06 | deg |
| node | 333.7844233894538 | 2.1493e-05 | deg |
| peri | 321.5397263710717 | 3.3552e-05 | deg |
| M | 201.3365321205798 | 2.6673e-05 | deg |
| tp | 2459906.615227274094
(2022-Nov-23.11522727) | 0.00011985 | TDB |
| period | 1602.142479400866
4.39 | 9.1246e-06
2.498e-08 | d
yr |
| n | .2246991167318808 | 1.2797e-09 | deg/d |
| Q | 2.876424918835313 | 1.0921e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.21 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
9.465 |
km |
0.031 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
119.642 |
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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.183 |
|
0.032 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 2936 Nechvile (1979 SF) Discovered 1979-Sep-17 by Mrkos, A. at Klet |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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