[ 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.
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Orbital Elements at Epoch 2457277.5 (2015-Sep-12.0) TDB
Reference: JPL K203/1 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .5800840555922504 | 2.7687e-07 | |
| a | 3.136270669100871 | 2.1027e-06 | au |
| q | 1.316970059933817 | 2.0709e-07 | au |
| i | 10.98066781019765 | 7.6772e-06 | deg |
| node | 127.5968752769021 | 3.4902e-05 | deg |
| peri | 320.1312021672604 | 6.8074e-05 | deg |
| M | 16.11562916250459 | 0.00045023 | deg |
| tp | 2457186.683764405233
(2015-Jun-13.18376441) | 0.0026229 | TDB |
| period | 2028.704215295747
5.55 | 0.0020402
5.586e-06 | d
yr |
| n | .1774531729592324 | 1.7846e-07 | deg/d |
| Q | 4.955571278267925 | 3.3225e-06 | au |
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Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A1 [EST] | 1.70102161505191E-9 | 1.095E-10 |
| A2 [EST] | 1.638960409673256E-9 | 4.84E-11 |
| A3 [EST] | 9.040023248129997E-10 | 4.499E-11 |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbit Covariance (9×9)
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e |
q |
tp |
node |
peri |
i |
A1 |
A2 |
A3 |
| e |
7.665529515825828E-14 |
-2.751574757542651E-15 |
-6.300038014222858E-10 |
-1.611848251930397E-12 |
7.910522252344166E-13 |
1.151469441553987E-12 |
-8.023832468855971E-18 |
1.17037308504696E-17 |
5.001768345421574E-18 |
| q |
-2.751574757542651E-15 |
4.288586327900161E-14 |
-2.030860265913021E-10 |
3.220837982085365E-12 |
-7.921407978717191E-12 |
4.846332038003982E-13 |
1.27939433955915E-17 |
3.684349989283405E-18 |
-1.76073511554105E-18 |
| tp |
-6.300038014222858E-10 |
-2.030860265913021E-10 |
6.879623545995753E-6 |
-1.081835229951458E-8 |
6.539641046810707E-8 |
-1.082680615186444E-8 |
-6.18946617253113E-14 |
-1.269415441473438E-13 |
-2.404019083434587E-14 |
| node |
-1.611848251930397E-12 |
3.220837982085365E-12 |
-1.081835229951458E-8 |
1.218116480240626E-9 |
-1.939037401648379E-9 |
-9.520269567426522E-11 |
1.977016203107709E-15 |
1.867014778389307E-16 |
-8.613342142131186E-16 |
| peri |
7.910522252344166E-13 |
-7.921407978717191E-12 |
6.539641046810707E-8 |
-1.939037401648379E-9 |
4.634047662133054E-9 |
1.274488848068668E-10 |
-5.981504446982545E-15 |
-1.162209563448916E-15 |
1.517169001157814E-15 |
| i |
1.151469441553987E-12 |
4.846332038003982E-13 |
-1.082680615186444E-8 |
-9.520269567426522E-11 |
1.274488848068668E-10 |
5.893985364858803E-11 |
-1.316113810060016E-16 |
2.022100251333698E-16 |
2.100950074998826E-16 |
| A1 |
-8.023832468855971E-18 |
1.27939433955915E-17 |
-6.18946617253113E-14 |
1.977016203107709E-15 |
-5.981504446982545E-15 |
-1.316113810060016E-16 |
1.199186513184999E-20 |
1.077620979853476E-21 |
-2.020896012672891E-21 |
| A2 |
1.17037308504696E-17 |
3.684349989283405E-18 |
-1.269415441473438E-13 |
1.867014778389307E-16 |
-1.162209563448916E-15 |
2.022100251333698E-16 |
1.077620979853476E-21 |
2.342976889255924E-21 |
4.606726581550987E-22 |
| A3 |
5.001768345421574E-18 |
-1.76073511554105E-18 |
-2.404019083434587E-14 |
-8.613342142131186E-16 |
1.517169001157814E-15 |
2.100950074998826E-16 |
-2.020896012672891E-21 |
4.606726581550987E-22 |
2.024087363892782E-21 |
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[ show close-approach data ]
Alternate Designations
Perihelion
Year (est.) | New-Style
Desig | Roman
Numeral | Year/
Letter | | 2021.0 | 398P/2020 P2 | | |
| 2009.9 | 398P/2009 Q4 | | |
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