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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 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1574419039962922 | 3.9546e-08 | |
| a | 2.786857298249429 | 1.3628e-08 | au |
| q | 2.348089179047076 | 1.1448e-07 | au |
| i | 17.17372540898302 | 5.4552e-06 | deg |
| node | 353.2585084415339 | 1.3211e-05 | deg |
| peri | 43.78461662119761 | 2.2276e-05 | deg |
| M | 289.7326695989198 | 1.6816e-05 | deg |
| tp | 2459332.181674198945
(2021-Apr-27.68167420) | 7.9845e-05 | TDB |
| period | 1699.301823906842
4.65 | 1.2465e-05
3.413e-08 | d
yr |
| n | .2118517116472746 | 1.554e-09 | deg/d |
| Q | 3.225625417451782 | 1.5774e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.6 |
|
n/a |
MPO384781 |
|
| diameter |
diameter |
11.659 |
km |
0.249 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
17.9826 |
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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.142 |
|
0.034 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 3269 Vibert-Douglas (1981 EX16) Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1981 EX16 = 1969 RG = 1969 RR1 = 1979 YH1 |
|
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