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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 | .04029352838223569 | 8.8118e-08 | |
a | 2.688883428419193 | 2.9631e-08 | au |
q | 2.580538827679661 | 2.4766e-07 | au |
i | 5.265281541232291 | 6.4446e-06 | deg |
node | 222.709464377009 | 7.7577e-05 | deg |
peri | 122.8281223570665 | 0.00010607 | deg |
M | 138.9116047621362 | 7.0688e-05 | deg |
tp | 2458379.069712156145 (2018-Sep-17.56971216) | 0.00031592 | TDB |
period | 1610.483904543927 4.41 | 2.6621e-05 7.288e-08 | d yr |
n | .2235352982940543 | 3.695e-09 | deg/d |
Q | 2.797228029158725 | 3.0825e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .04037930754420264 | 8.8864e-08 | |
q | 2.579759231055973 | 2.4948e-07 | au |
tp | 2456755.782873121813 (2014-Apr-08.28287312) | 0.0003127 | TDB |
node | 222.8025304616572 | 7.7763e-05 | deg |
peri | 119.9302184952013 | 0.00010548 | deg |
i | 5.258177742700531 | 6.4399e-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 |
7.896731208673335E-15 |
-2.204186800489004E-14 |
-1.219102344470739E-12 |
-9.622304588304815E-14 |
-5.080975710704953E-13 |
-9.993960702852018E-16 |
q |
-2.204186800489004E-14 |
6.224242274663494E-14 |
2.577144218084927E-12 |
2.738388931430405E-13 |
1.279716688508526E-12 |
3.587697692027092E-15 |
tp |
-1.219102344470739E-12 |
2.577144218084927E-12 |
9.778405120870738E-8 |
5.242075907221154E-11 |
2.233040010278349E-8 |
-1.089803722884476E-11 |
node |
-9.622304588304815E-14 |
2.738388931430405E-13 |
5.242075907221154E-11 |
6.04705244973062E-9 |
-6.005247620244433E-9 |
-1.811294813812216E-10 |
peri |
-5.080975710704953E-13 |
1.279716688508526E-12 |
2.233040010278349E-8 |
-6.005247620244433E-9 |
1.112504931223812E-8 |
1.779524077364967E-10 |
i |
-9.993960702852018E-16 |
3.587697692027092E-15 |
-1.089803722884476E-11 |
-1.811294813812216E-10 |
1.779524077364967E-10 |
4.147282699355386E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.7 |
|
n/a |
MPO460570 |
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|
413536 (2005 SQ121) Discovered 2005-Sep-29 by Spacewatch at Kitt Peak |
Reference: | Last Updated: 2014-11-10 |
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