[ hide orbit diagram ]
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 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1607779828069023 | 4.6071e-08 | |
| a | 2.543493210153634 | 9.7076e-09 | au |
| q | 2.13455550254208 | 1.1859e-07 | au |
| i | 14.08557726818791 | 3.5908e-06 | deg |
| node | 70.94013442020439 | 2.1132e-05 | deg |
| peri | 315.6229276371549 | 2.4542e-05 | deg |
| M | 175.4772656438004 | 1.4108e-05 | deg |
| tp | 2458478.291395331283
(2018-Dec-25.79139533) | 5.6172e-05 | TDB |
| period | 1481.645481121752
4.06 | 8.4824e-06
2.322e-08 | d
yr |
| n | .2429731029365031 | 1.391e-09 | deg/d |
| Q | 2.952430917765188 | 1.1268e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.83 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
3.580 |
km |
0.063 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
40.5357 |
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 |
0.199 |
|
0.058 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 49280 (1998 UT22) Discovered 1998-Oct-28 by Broughton, J. at Reedy Creek |
| Reference: 20021120/Numbers.arc | Last Updated: 2004-04-19 |
|
[ show close-approach data ]
|
