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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09844619852920829 | 4.2307e-08 | |
| a | 2.982072375281774 | 2.1232e-08 | au |
| q | 2.688498686196317 | 1.2754e-07 | au |
| i | 12.97290176367269 | 4.7063e-06 | deg |
| node | 111.5470427254327 | 2.4971e-05 | deg |
| peri | 8.7329775053059 | 4.918e-05 | deg |
| M | 50.95055951743539 | 3.9218e-05 | deg |
| tp | 2458734.291356057168
(2019-Sep-07.79135606) | 0.0002048 | TDB |
| period | 1880.943265924774
5.15 | 2.0088e-05
5.5e-08 | d
yr |
| n | .191393332548499 | 2.0441e-09 | deg/d |
| Q | 3.275646064367231 | 2.3322e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.7 |
|
n/a |
MPO324953 |
|
| diameter |
diameter |
3.551 |
km |
0.786 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.202 |
|
0.083 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 74384 (1998 XQ20) Discovered 1998-Dec-10 by Spacewatch at Kitt Peak |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
|
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