(2020 HT1) |
Classification: Apollo [NEO] SPK-ID: 54016607 |
[ 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 2458958.5 (2020-Apr-19.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .5725023703176165 | 0.0015199 | |
a | 2.308987151819554 | 0.0081142 | au |
q | .9870865343699371 | 4.0768e-05 | au |
i | 3.166232106926236 | 0.0062692 | deg |
node | 22.30550824960108 | 0.0023 | deg |
peri | 222.6519033179055 | 0.0099735 | deg |
M | 351.4716106970483 | 0.046577 | deg |
tp | 2458988.859542124961 (2020-May-19.35954212) | 0.0058077 | TDB |
period | 1281.535677692763 3.51 | 6.7553 0.0185 | d yr |
n | .2809129751644002 | 0.0014808 | deg/d |
Q | 3.630887769269171 | 0.01276 | 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 |
25.8 |
|
.60789 |
E2020-HC9 |
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-28 03:39 |
< 00:01 |
Earth |
0.0283238769026883 |
0.0281317992106118 |
0.0285159493918981 |
9.7183994793665 |
9.70871488673827 |
2458967.652048867 |
0.493422375401934 |
9558.84073456498 |
29.8933791387041 |
-0.0482797611175476 |
281.538776245453 |
T |
2 |
CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:54 |
2020-Apr-23 07:00 |
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