[ 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 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .05772659263134198 | 1.1797e-07 | |
a | 2.600023567280048 | 3.2079e-08 | au |
q | 2.449933065979784 | 3.2954e-07 | au |
i | 21.42486798162192 | 3.6285e-06 | deg |
node | 279.0088791599123 | 2.697e-05 | deg |
peri | 118.090319291919 | 9.4444e-05 | deg |
M | 349.1892640771999 | 8.4247e-05 | deg |
tp | 2459246.485097512300 (2021-Jan-31.98509751) | 0.00035829 | TDB |
period | 1531.31435479003 4.19 | 2.834e-05 7.759e-08 | d yr |
n | .2350921604528172 | 4.3509e-09 | deg/d |
Q | 2.750114068580312 | 3.3931e-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 |
15.86 |
|
n/a |
E2021B25 |
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|
344968 (2004 XT31) Discovered 2004-Dec-09 by CSS at Catalina |
Reference: 20121128/Numbers.arc | Last Updated: 2012-12-03 |
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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 |
1977-Aug-11 15:35 |
00:02 |
Amphi |
0.0185243008954851 |
0.0185203581207943 |
0.0185282677877698 |
6.3786720350618 |
6.37867198640977 |
2443367.149333945 |
2.48877126885004 |
1184.03717543679 |
84.8758286409033 |
81.3328301159187 |
32271.400451134 |
T |
16 |
CATAB v2.0f-lin.ifort 2021-Apr-14 08:34:21 |
2021-Apr-14 08:34 |
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