[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .05076762797213741 | 6.9308e-08 | |
| a | 2.471081459645791 | 1.264e-08 | au |
| q | 2.345630515413647 | 1.6808e-07 | au |
| i | 4.27906968892591 | 5.2039e-06 | deg |
| node | 221.0071348412934 | 6.3941e-05 | deg |
| peri | 158.5569648310475 | 7.7684e-05 | deg |
| M | 315.6768513379421 | 4.3357e-05 | deg |
| tp | 2459375.185607283551
(2021-Jun-09.68560728) | 0.0001711 | TDB |
| period | 1418.825614162909
3.88 | 1.0887e-05
2.981e-08 | d
yr |
| n | .2537309704634814 | 1.9469e-09 | deg/d |
| Q | 2.596532403877935 | 1.3282e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.93 |
|
n/a |
E2021B10 |
|
|
| 86866 (2000 HD18) Discovered 2000-Apr-24 by Spacewatch at Kitt Peak |
| Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
|
[ 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 |
| 1912-Feb-06 22:41 |
< 00:01 |
Eunom |
0.0240774126031003 |
0.0240611008188856 |
0.024093730877706 |
4.44677743702012 |
4.44677730590926 |
2419439.445249181 |
0.561813571097351 |
1024.58979411202 |
44.7951016314574 |
-37.5431099588413 |
49033.4997416381 |
T |
17 |
CATAB v2.0f-lin.ifort 2020-Nov-12 20:55:51 |
2020-Nov-12 20:55 |
| 2032-Jun-17 18:52 |
< 00:01 |
Eunom |
0.0384488479081321 |
0.0384448630739459 |
0.0384528335256798 |
4.42647948598484 |
4.42647940350419 |
2463401.286311234 |
0.672824654511585 |
342.34673150606 |
39.1325488728147 |
-55.0880648658292 |
120810.173721738 |
T |
17 |
CATAB v2.0f-lin.ifort 2020-Nov-12 20:55:51 |
2020-Nov-12 20:55 |
| 2152-Oct-31 14:31 |
00:02 |
Eunom |
0.0400302276321755 |
0.0400269552943395 |
0.0400335275624827 |
4.47186023839761 |
4.47186015997928 |
2507366.104988712 |
2.04156924405649 |
1721.35189562741 |
42.1151690538271 |
-84.72814949621 |
141471.482717812 |
T |
17 |
CATAB v2.0f-lin.ifort 2020-Nov-12 20:55:51 |
2020-Nov-12 20:55 |
| 2189-Oct-17 14:33 |
00:01 |
Juno |
0.0428059220621258 |
0.0427945413790462 |
0.0428173347320314 |
5.32182747876161 |
5.32182742535668 |
2520866.105924791 |
1.10752338133817 |
1934.81770185896 |
43.590776614986 |
-72.9788764100438 |
140393.054422628 |
T |
17 |
CATAB v2.0f-lin.ifort 2020-Nov-12 20:55:51 |
2020-Nov-12 20:55 |
|
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