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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 24 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03524898223614894 | 5.3771e-08 | |
a | 2.714989168670365 | 2.1998e-08 | au |
q | 2.619288563692566 | 1.4885e-07 | au |
i | 6.698993123504035 | 5.0203e-06 | deg |
node | 42.40837890495302 | 4.9162e-05 | deg |
peri | 343.8854673082433 | 9.2455e-05 | deg |
M | 163.1917579518832 | 8.1103e-05 | deg |
tp | 2458259.793255905422 (2018-May-21.29325591) | 0.00036489 | TDB |
period | 1633.994456709453 4.47 | 1.9859e-05 5.437e-08 | d yr |
n | .2203189848789144 | 2.6777e-09 | deg/d |
Q | 2.810689773648164 | 2.2774e-08 | 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 |
15.6 |
|
n/a |
MPO422404 |
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|
117180 (2004 RH78) Discovered 2004-Sep-08 by LINEAR at Socorro |
Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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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 |
1921-Jul-23 10:16 |
00:05 |
Hebe |
0.0178619630481471 |
0.0178422292421355 |
0.0178817177300146 |
5.48617809598927 |
5.48617803254996 |
2422893.928118553 |
5.16659426634018 |
1378.24083917742 |
66.0887860614841 |
-44.4926539344545 |
28358.4405606077 |
T |
24 |
CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:38 |
2020-Nov-12 18:20 |
2042-May-30 01:55 |
00:02 |
Hebe |
0.0401961286218573 |
0.0401849475441106 |
0.0402073097077309 |
5.5802005962865 |
5.58020056857094 |
2467034.579570710 |
1.9910929829161 |
558.127341114972 |
65.7699728947882 |
2.98106580587531 |
11758.8325471818 |
T |
24 |
CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:38 |
2020-Nov-12 18:20 |
2128-Jul-08 08:46 |
00:06 |
Hygie |
0.0348098425574747 |
0.0347966194320078 |
0.0348231052880194 |
3.11348860248406 |
3.11348824598933 |
2498484.865328745 |
6.30769135797941 |
1965.88935029056 |
54.0653174797199 |
70.4944278610897 |
90526.2440243935 |
T |
24 |
CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:38 |
2020-Nov-12 18:20 |
2150-Dec-09 09:52 |
00:11 |
Hygie |
0.04139603397386 |
0.0413497448958772 |
0.0414423231771566 |
3.22786297538335 |
3.22786268622973 |
2506673.911336479 |
11.2561339692268 |
2305.00301041052 |
52.3990947969475 |
2.87504577101638 |
6485.71047455426 |
T |
24 |
CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:38 |
2020-Nov-12 18:20 |
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