| (2020 HP) |
| Classification: Apollo [NEO] SPK-ID: 54016561 |
[ 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 2458941.5 (2020-Apr-02.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .5530358851607092 | 0.0012242 | |
| a | 2.048082891309623 | 0.0052064 | au |
| q | .9154195566317012 | 0.0001801 | au |
| i | 2.960923664672845 | 0.0043861 | deg |
| node | 50.6244039491812 | 0.0058803 | deg |
| peri | 202.9782486784941 | 0.0019917 | deg |
| M | 341.828604703239 | 0.071897 | deg |
| tp | 2458995.538775150814
(2020-May-26.03877515) | 0.0077547 | TDB |
| period | 1070.581468103366
2.93 | 4.0823
0.01118 | d
yr |
| n | .3362658618010391 | 0.0012822 | deg/d |
| Q | 3.180746225987545 | 0.0080858 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
24.2 |
|
.297 |
E2020-HC9 |
autocmod 2.8 |
|
[ 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 20:40 |
< 00:01 |
Earth |
0.0361463929556686 |
0.0359227467154379 |
0.0363700355793935 |
10.3783002665354 |
10.3711951722361 |
2458968.361427689 |
0.473955503331175 |
11137.649968155 |
13.4701213124296 |
-0.263740802583014 |
609.802026679 |
T |
2 |
CATAB v2.0f-lin.ifort 2020-Apr-23 07:00:34 |
2020-Apr-23 07:00 |
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