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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 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .246342889622145 | 6.5432e-08 | |
| a | 2.342228402776003 | 1.0867e-08 | au |
| q | 1.765237089881101 | 1.4767e-07 | au |
| i | 22.59876638822611 | 7.6427e-06 | deg |
| node | 320.1930235016402 | 1.0305e-05 | deg |
| peri | 73.07612488275863 | 2.3386e-05 | deg |
| M | 55.75769857848552 | 1.4842e-05 | deg |
| tp | 2458997.710889376370
(2020-May-28.21088938) | 5.4087e-05 | TDB |
| period | 1309.309417097714
3.58 | 9.1122e-06
2.495e-08 | d
yr |
| n | .2749541058048718 | 1.9136e-09 | deg/d |
| Q | 2.919219715670904 | 1.3544e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.51 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
2.076 |
km |
0.486 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.311 |
|
0.216 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 100979 (1998 QH27) Discovered 1998-Aug-24 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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