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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 | .1468656934355567 | 5.9371e-08 | |
| a | 2.554487387019648 | 2.6414e-08 | au |
| q | 2.179320825552624 | 1.5056e-07 | au |
| i | 12.49307740430613 | 7.587e-06 | deg |
| node | 2.38284764497108 | 2.2554e-05 | deg |
| peri | 248.3301106897015 | 3.1496e-05 | deg |
| M | 205.63303394879 | 2.3315e-05 | deg |
| tp | 2459839.949038459887
(2022-Sep-17.44903846) | 0.00010026 | TDB |
| period | 1491.262410179077
4.08 | 2.313e-05
6.333e-08 | d
yr |
| n | .2414062056031906 | 3.7443e-09 | deg/d |
| Q | 2.929653948486672 | 3.0294e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.80 |
|
n/a |
MPCxxxxx |
|
| diameter |
diameter |
2.270 |
km |
0.549 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.197 |
|
0.060 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 300419 (2007 RO321) Discovered 2007-Sep-14 by LINEAR at Socorro |
| Reference: 20111012/Numbers.arc | Last Updated: 2011-10-13 |
|
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