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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 21 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .115493427399546 | 2.9016e-08 | |
a | 2.191339290311928 | 8.2382e-09 | au |
q | 1.938254005078515 | 6.3705e-08 | au |
i | 3.621841119537755 | 3.5508e-06 | deg |
node | 146.0165755662544 | 5.3139e-05 | deg |
peri | 257.1686122900187 | 5.6651e-05 | deg |
M | 204.7015270252343 | 2.2408e-05 | deg |
tp | 2459511.625501803582 (2021-Oct-24.12550180) | 7.5434e-05 | TDB |
period | 1184.848615215864 3.24 | 6.6816e-06 1.829e-08 | d yr |
n | .3038362837048281 | 1.7134e-09 | deg/d |
Q | 2.444424575545341 | 9.1897e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457289.5 (2015-Sep-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1147925309606757 | 2.8958e-08 | |
q | 1.93977041824936 | 6.3509e-08 | au |
tp | 2457141.797547758749 (2015-Apr-29.29754776) | 6.8907e-05 | TDB |
node | 146.0386051478066 | 5.3111e-05 | deg |
peri | 257.1474969329545 | 5.668e-05 | deg |
i | 3.622045133325118 | 3.5523e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
8.385487215703193E-16 |
-1.82687211662837E-15 |
6.25622836863482E-14 |
-7.160780209744213E-16 |
2.215861888064216E-14 |
8.379788079587215E-16 |
q |
-1.82687211662837E-15 |
4.033451068692585E-15 |
9.240735107341923E-14 |
1.472379853616075E-15 |
1.720661605881475E-14 |
-1.765643262043731E-15 |
tp |
6.25622836863482E-14 |
9.240735107341923E-14 |
4.748147779781978E-9 |
-8.271123685374151E-12 |
1.374342039237463E-9 |
7.668418198711605E-13 |
node |
-7.160780209744213E-16 |
1.472379853616075E-15 |
-8.271123685374151E-12 |
2.820779204029797E-9 |
-2.817014093163291E-9 |
-1.780562245766974E-11 |
peri |
2.215861888064216E-14 |
1.720661605881475E-14 |
1.374342039237463E-9 |
-2.817014093163291E-9 |
3.212577634973859E-9 |
1.801026849043712E-11 |
i |
8.379788079587215E-16 |
-1.765643262043731E-15 |
7.668418198711605E-13 |
-1.780562245766974E-11 |
1.801026849043712E-11 |
1.261848051413943E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.9 |
|
n/a |
MPO381645 |
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|
52791 (1998 QC49) Discovered 1998-Aug-17 by LINEAR at Socorro |
Reference: 20030216/Numbers.arc | Last Updated: 2004-04-19 |
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