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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 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1612176984002681 | 3.5986e-08 | |
| a | 2.342595413397585 | 6.3464e-09 | au |
| q | 1.964927572566602 | 8.4088e-08 | au |
| i | 9.756348185903628 | 3.2834e-06 | deg |
| node | 137.178886042519 | 2.2756e-05 | deg |
| peri | 82.13169136630692 | 2.4616e-05 | deg |
| M | 262.8919684996207 | 1.0378e-05 | deg |
| tp | 2459553.762070128036
(2021-Dec-05.26207013) | 3.8138e-05 | TDB |
| period | 1309.617168437773
3.59 | 5.3219e-06
1.457e-08 | d
yr |
| n | .2748894934154228 | 1.1171e-09 | deg/d |
| Q | 2.720263254228569 | 7.3696e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.59 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
12.048 |
km |
0.078 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
8.71997 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] |
| geometric albedo |
albedo |
0.037 |
|
0.002 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 5327 (1989 EX1) Discovered 1989-Mar-05 by Vavrova, Z. at Klet |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1989 EX1 = 1950 LB = 1950 LP = 1979 OB13 |
|
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