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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 | .09577829474704611 | 3.7007e-08 | |
a | 2.899533360400668 | 1.3242e-08 | au |
q | 2.62182099957932 | 1.0915e-07 | au |
i | 3.371864217473282 | 4.1877e-06 | deg |
node | 147.68147392 | 6.3347e-05 | deg |
peri | 350.9991452384253 | 6.7248e-05 | deg |
M | 1.493327651342914 | 2.1103e-05 | deg |
tp | 2459193.019283477362 (2020-Dec-09.51928348) | 0.00010571 | TDB |
period | 1803.39388059143 4.94 | 1.2354e-05 3.382e-08 | d yr |
n | .1996236118323395 | 1.3675e-09 | deg/d |
Q | 3.177245721222016 | 1.451e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.4 |
|
n/a |
MPO416934 |
|
diameter |
diameter |
4.141 |
km |
0.337 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.071 |
|
0.022 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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21362 Dickarmstrong | Discovered 1997 Apr. 30 by Spacewatch at Kitt Peak. |
Richard Armstrong (1937-1991) studied radiogenic isotope geochemistry, geology of the American Cordillera, geochronology, and Earth's geochemical evolution. Name suggested by R. and P. 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 2016-06-20 | Last Updated: 2016-06-21 |
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