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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1680361033526053 | 2.8697e-08 | |
| a | 2.672985445596501 | 1.0213e-08 | au |
| q | 2.223827387000238 | 7.6427e-08 | au |
| i | 12.8328724743386 | 3.5186e-06 | deg |
| node | 181.3822637918155 | 1.4339e-05 | deg |
| peri | 85.91624288757605 | 1.872e-05 | deg |
| M | 218.69952672282 | 1.4512e-05 | deg |
| tp | 2459827.019270588807
(2022-Sep-04.51927059) | 6.6435e-05 | TDB |
| period | 1596.222094525682
4.37 | 9.1479e-06
2.505e-08 | d
yr |
| n | .225532525351351 | 1.2925e-09 | deg/d |
| Q | 3.122143504192764 | 1.1929e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.18 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
6.489 |
km |
0.266 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
3.124 |
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 |
0.290 |
|
0.048 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 13959 (1991 EL4) Discovered 1991-Mar-12 by Debehogne, H. at La Silla |
| Reference: 20000320/Numbers.arc | Last Updated: 2004-04-19 |
|
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