(2020 HD) |
Classification: Amor [NEO] SPK-ID: 54016543 |
[ hide orbit diagram ]
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 2458957.5 (2020-Apr-18.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .5347848953436566 | 0.001541 | |
a | 2.35793106028046 | 0.0082955 | au |
q | 1.096945144980817 | 0.00022581 | au |
i | 4.251083037822308 | 0.0094792 | deg |
node | 355.9263244956593 | 0.006482 | deg |
peri | 222.2230260299724 | 0.010137 | deg |
M | 356.8336264212743 | 0.015231 | deg |
tp | 2458969.132009120840 (2020-Apr-29.63200912) | 0.0058482 | TDB |
period | 1322.49817634838 3.62 | 6.9791 0.01911 | d yr |
n | .2722120955917043 | 0.0014365 | deg/d |
Q | 3.618916975580103 | 0.012732 | 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 |
24.442 |
|
.4662 |
3 |
autocmod 2.8 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
Date/Time (TDB) |
Time Uncertainty (days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
2020-Apr-30 06:11 |
00:10 |
Earth |
0.107037080400168 |
0.106241426424795 |
0.10783271902428 |
5.94160948847731 |
5.93741839645998 |
2458969.757756412 |
10.3819658581246 |
39624.1034249413 |
467.853964470229 |
-0.848089835299082 |
346.731939238688 |
T |
3 |
CATAB v2.0f-lin.ifort 2020-Apr-26 06:39:47 |
2020-Apr-26 06:39 |
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