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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04856573112650182 | 3.0524e-08 | |
| a | 2.860814264041201 | 1.0041e-08 | au |
| q | 2.721876727690915 | 8.6178e-08 | au |
| i | 1.779948928088451 | 4.2485e-06 | deg |
| node | 184.24210398144 | 0.00010478 | deg |
| peri | 248.8379048588911 | 0.00011504 | deg |
| M | 75.8190122581351 | 4.5929e-05 | deg |
| tp | 2458628.272425675707
(2019-May-24.77242568) | 0.0002258 | TDB |
| period | 1767.392145660239
4.84 | 9.305e-06
2.548e-08 | d
yr |
| n | .2036899399400217 | 1.0724e-09 | deg/d |
| Q | 2.999751800391487 | 1.0529e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.5 |
|
n/a |
MPO452172 |
|
| diameter |
diameter |
12.433 |
km |
1.133 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
5.2712 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.315 |
|
0.033 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 993 Moultona (A923 AB) Discovered 1923-Jan-12 by Van Biesbroeck, G. at Williams Bay |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| A923 AB = 1928 BA = 1960 WD = 1964 PQ = 1967 CN |
|
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