(2021 DD1) |
Classification: Apollo [NEO] SPK-ID: 54123273 |
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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 3 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .4286336248539832 | 0.00030473 | |
a | 1.672118829350293 | 0.00085755 | au |
q | .9553924743392782 | 1.9623e-05 | au |
i | 9.510307193009748 | 0.0050115 | deg |
node | 331.5113608444889 | 7.5391e-05 | deg |
peri | 212.2666557669949 | 0.0014979 | deg |
M | 227.1300841856583 | 0.10313 | deg |
tp | 2459291.989752874480 (2021-Mar-18.48975287) | 0.0020363 | TDB |
period | 789.7672726867647 2.16 | 0.60755 0.001663 | d yr |
n | .4558304863346524 | 0.00035066 | deg/d |
Q | 2.388845184361309 | 0.0012251 | 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 |
27.65 |
|
.3502 |
E2021D74 |
autocmod 2.8 |
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