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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 14 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1372278592860024 | 7.8645e-08 | |
a | 3.137882749882149 | 5.1207e-08 | au |
q | 2.707277817425347 | 2.715e-07 | au |
i | 1.097830321685252 | 8.9226e-06 | deg |
node | 21.4218664442018 | 0.00033532 | deg |
peri | 254.1649032569849 | 0.00033689 | deg |
M | 304.1364404897255 | 3.4593e-05 | deg |
tp | 2459315.550082919726 (2021-Apr-11.05008292) | 0.00019932 | TDB |
period | 2030.268583766871 5.56 | 4.9698e-05 1.361e-07 | d yr |
n | .177316441222802 | 4.3404e-09 | deg/d |
Q | 3.56848768233895 | 5.8234e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457670.5 (2016-Oct-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1362776458856234 | 7.8748e-08 | |
q | 2.712719298860271 | 2.7202e-07 | au |
tp | 2457281.982621831174 (2015-Sep-16.48262183) | 0.00017738 | TDB |
node | 21.470374146851 | 0.00033503 | deg |
peri | 253.8605094639952 | 0.00033662 | deg |
i | 1.0981115774043 | 8.9223e-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 |
6.201315950116153E-15 |
-2.120552561534806E-14 |
-5.91526922951612E-12 |
6.321006866602728E-14 |
-9.576975511792817E-13 |
-1.812112184589886E-15 |
q |
-2.120552561534806E-14 |
7.399446652641689E-14 |
2.134334474810611E-11 |
-2.405858707499768E-13 |
3.559643499812184E-12 |
7.760858841721776E-15 |
tp |
-5.91526922951612E-12 |
2.134334474810611E-11 |
3.146394889980308E-8 |
-8.646154378656384E-11 |
5.820748324070316E-9 |
4.159128741139137E-12 |
node |
6.321006866602728E-14 |
-2.405858707499768E-13 |
-8.646154378656384E-11 |
1.122433918176739E-7 |
-1.122381513800309E-7 |
7.230204540501881E-10 |
peri |
-9.576975511792817E-13 |
3.559643499812184E-12 |
5.820748324070316E-9 |
-1.122381513800309E-7 |
1.133123760574887E-7 |
-7.220454510728265E-10 |
i |
-1.812112184589886E-15 |
7.760858841721776E-15 |
4.159128741139137E-12 |
7.230204540501881E-10 |
-7.220454510728265E-10 |
7.960663012956079E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.52 |
|
n/a |
E2021B25 |
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|
392143 (2009 HV26) Discovered 2009-Apr-18 by Spacewatch at Kitt Peak |
Reference: | Last Updated: 2014-04-17 |
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