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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 26 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1785019651128233 | 3.2343e-08 | |
| a | 2.152168266475306 | 6.6467e-09 | au |
| q | 1.768002001656006 | 6.8814e-08 | au |
| i | 2.236572119174462 | 3.8321e-06 | deg |
| node | 27.60897110317181 | 8.1639e-05 | deg |
| peri | 334.3182608368196 | 8.276e-05 | deg |
| M | 287.5279097247934 | 1.7755e-05 | deg |
| tp | 2459432.656607575949
(2021-Aug-06.15660758) | 5.7715e-05 | TDB |
| period | 1153.221583784426
3.16 | 5.3423e-06
1.463e-08 | d
yr |
| n | .3121689752099676 | 1.4461e-09 | deg/d |
| Q | 2.536334531294607 | 7.8331e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.88 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
2.476 |
km |
0.751 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.263 |
|
0.171 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 12513 Niven | Discovered 1998 Apr. 27 by P. G. Comba at Prescott. |
| Ivan M. Niven (1915-1999) was a Canadian-U.S. mathematician who worked mainly in number theory. In 1943 he completed the proof of Waring's conjecture, a conjecture formulated in 1770 to the effect that every positive integer is the sum of a finite number of n -th powers of integers. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20000124/MPCPages.arc | Last Updated: 2013-03-29 |
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