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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 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08633614684509712 | 4.8614e-08 | |
a | 2.655999142582553 | 1.6658e-08 | au |
q | 2.426690410588094 | 1.3011e-07 | au |
i | 1.842431173971972 | 5.4496e-06 | deg |
node | 182.8167197671335 | 0.00012435 | deg |
peri | 145.6467234174222 | 0.00012723 | deg |
M | 135.1494560995126 | 2.6695e-05 | deg |
tp | 2458406.957086605589 (2018-Oct-15.45708661) | 0.00011585 | TDB |
period | 1581.030771331077 4.33 | 1.4874e-05 4.072e-08 | d yr |
n | .2276995530560827 | 2.1421e-09 | deg/d |
Q | 2.885307874577012 | 1.8096e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08800172070092684 | 4.8856e-08 | |
q | 2.421369081877094 | 1.3098e-07 | au |
tp | 2456822.341071954215 (2014-Jun-13.84107195) | 0.00011046 | TDB |
node | 182.8400939161658 | 0.00012445 | deg |
peri | 144.7539474102574 | 0.0001272 | deg |
i | 1.84022061423797 | 5.454e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
2.386896719856006E-15 |
-6.356045967387021E-15 |
1.114675724013957E-12 |
-1.557069022170299E-14 |
2.225936107843732E-13 |
-1.022083599533154E-15 |
q |
-6.356045967387021E-15 |
1.715566715204633E-14 |
-2.785330652414838E-12 |
4.234868683657424E-14 |
-5.45612218832058E-13 |
2.823296010512363E-15 |
tp |
1.114675724013957E-12 |
-2.785330652414838E-12 |
1.22019169615649E-8 |
6.055990627417825E-13 |
2.91609376569918E-9 |
-2.252568742334569E-12 |
node |
-1.557069022170299E-14 |
4.234868683657424E-14 |
6.055990627417825E-13 |
1.548784549003579E-8 |
-1.547885908874581E-8 |
-5.998501833029203E-11 |
peri |
2.225936107843732E-13 |
-5.45612218832058E-13 |
2.91609376569918E-9 |
-1.547885908874581E-8 |
1.617934588572484E-8 |
5.94369551027558E-11 |
i |
-1.022083599533154E-15 |
2.823296010512363E-15 |
-2.252568742334569E-12 |
-5.998501833029203E-11 |
5.94369551027558E-11 |
2.974558547494608E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.3 |
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n/a |
MPO453929 |
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|
146440 (2001 QH284) Discovered 2001-Aug-18 by NEAT at Palomar |
Reference: 20070106/Numbers.arc | Last Updated: 2007-01-09 |
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