| (2012 HL8) |
| Classification: Amor [NEO] SPK-ID: 3602787 |
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .5388628287202439 | 0.00013768 | |
| a | 2.448649579398466 | 0.00077933 | au |
| q | 1.129163340499173 | 2.2241e-05 | au |
| i | 3.523171664635635 | 0.00059792 | deg |
| node | 65.2628089173224 | 0.00029926 | deg |
| peri | 187.8253979784446 | 0.00075879 | deg |
| M | 31.77334603300114 | 0.35909 | deg |
| tp | 2458876.976713911681
(2020-Jan-28.47671391) | 1.3371 | TDB |
| period | 1399.549891459595
3.83 | 0.66815
0.001829 | d
yr |
| n | .2572255567284957 | 0.0001228 | deg/d |
| Q | 3.768135818297758 | 0.0011993 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
23.7 |
|
n/a |
MPO234430 |
|
|
[ 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 |
| 2012-May-25 23:17 |
00:01 |
Earth |
0.131255535669948 |
0.131173603231483 |
0.13133746801583 |
6.6268095345911 |
6.6237455212442 |
2456073.470291911 |
1.20652953582933 |
4081.93571753531 |
33.3297863819943 |
0.254186683485906 |
2997.29620518848 |
T |
11 |
CATAB v2.0e-lin.ifort 2017-Nov-29 06:12:21 |
2018-Dec-11 15:49 |
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