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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 29 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1195540360995901 | 3.3641e-08 | |
a | 3.193961081330496 | 1.7992e-08 | au |
q | 2.812110142912424 | 1.1342e-07 | au |
i | .5106619682470405 | 4.3405e-06 | deg |
node | 200.9786749699824 | 0.00039412 | deg |
peri | 61.61574328308392 | 0.00039455 | deg |
M | 341.5576993237892 | 1.8808e-05 | deg |
tp | 2459307.308411056845 (2021-Apr-02.80841106) | 0.00010908 | TDB |
period | 2084.936616940811 5.71 | 1.7617e-05 4.823e-08 | d yr |
n | .1726671195061178 | 1.459e-09 | deg/d |
Q | 3.575812019748569 | 2.0143e-08 | au |
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| | 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 |
13.84 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
8.841 |
km |
0.111 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.075 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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21360 Bobduff | Discovered 1997 Apr. 8 by Spacewatch at Kitt Peak. |
Robert Ian Duff (b. 1946) is an amateur astronomer who has served as Librarian and Outreach Coordinator for the Royal Astronomical Society of Canada, London Centre. Name suggested and citation prepared by Robert Jedicke and Peter Jedicke. |
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
Reference: MPC batch dated 2016-08-18 | Last Updated: 2016-11-23 |
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