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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1605087869703201 | 4.9925e-08 | |
a | 2.544390928648451 | 1.1663e-08 | au |
q | 2.135993827112802 | 1.3221e-07 | au |
i | 2.719915771821091 | 8.7395e-06 | deg |
node | 200.8995432067707 | 6.7856e-05 | deg |
peri | 249.8892122805748 | 7.845e-05 | deg |
M | 50.39530754370467 | 3.705e-05 | deg |
tp | 2458992.979127923499 (2020-May-23.47912792) | 0.00015174 | TDB |
period | 1482.429963995184 4.06 | 1.0193e-05 2.791e-08 | d yr |
n | .2428445246949754 | 1.6698e-09 | deg/d |
Q | 2.9527880301841 | 1.3535e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1585727582163282 | 4.9402e-08 | |
q | 2.141466213302915 | 1.3046e-07 | au |
tp | 2457509.972946320291 (2016-May-01.47294632) | 0.00014918 | TDB |
node | 200.9181205844977 | 6.7873e-05 | deg |
peri | 249.832870532406 | 7.8751e-05 | deg |
i | 2.717858096593612 | 8.7403e-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 |
2.440536204127255E-15 |
-6.431281914235188E-15 |
-5.853285682510971E-12 |
4.743459625589433E-14 |
-1.544255306440614E-12 |
-3.250580460862515E-15 |
q |
-6.431281914235188E-15 |
1.701930864402379E-14 |
1.560512139496591E-11 |
-1.270395690646788E-13 |
4.11530401066012E-12 |
8.497305514059785E-15 |
tp |
-5.853285682510971E-12 |
1.560512139496591E-11 |
2.22535800347963E-8 |
-1.581710039920425E-10 |
5.962141946628992E-9 |
1.238857388460047E-11 |
node |
4.743459625589433E-14 |
-1.270395690646788E-13 |
-1.581710039920425E-10 |
4.606737761154376E-9 |
-4.64209853150252E-9 |
1.322580140782468E-10 |
peri |
-1.544255306440614E-12 |
4.11530401066012E-12 |
5.962141946628992E-9 |
-4.64209853150252E-9 |
6.201651505713315E-9 |
-1.288917966467392E-10 |
i |
-3.250580460862515E-15 |
8.497305514059785E-15 |
1.238857388460047E-11 |
1.322580140782468E-10 |
-1.288917966467392E-10 |
7.639214879495066E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.1 |
|
n/a |
MPO502749 |
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|
108192 (2001 HQ17) Discovered 2001-Apr-24 by Spacewatch at Kitt Peak |
Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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