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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 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1815295451926925 | 5.8949e-08 | |
a | 3.041697736589516 | 2.7674e-08 | au |
q | 2.489539729852778 | 1.8158e-07 | au |
i | 2.86436042805337 | 6.3221e-06 | deg |
node | 93.986877740 | 0.0001507 | deg |
peri | 342.6602657840982 | 0.0001529 | deg |
M | 22.56554070170215 | 2.0869e-05 | deg |
tp | 2458879.044901012237 (2020-Jan-30.54490101) | 0.00011249 | TDB |
period | 1937.637400919736 5.30 | 2.6443e-05 7.24e-08 | d yr |
n | .1857932757847878 | 2.5356e-09 | deg/d |
Q | 3.593855743326253 | 3.2697e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457272.5 (2015-Sep-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1794637627237144 | 5.927e-08 | |
q | 2.498847869721816 | 1.8306e-07 | au |
tp | 2456944.521793625871 (2014-Oct-14.02179363) | 0.00012085 | TDB |
node | 94.06410246063 | 0.00015065 | deg |
peri | 343.2500217058272 | 0.00015289 | deg |
i | 2.86362734252956 | 6.3171e-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 |
3.512931311493131E-15 |
-1.076064779149186E-14 |
-3.784130273716329E-13 |
-5.163959545800067E-14 |
5.972477624106489E-14 |
-1.24423051158824E-15 |
q |
-1.076064779149186E-14 |
3.351134613815085E-14 |
3.965922739671754E-14 |
1.640815861141772E-13 |
-4.068424882722521E-13 |
3.537557662820642E-15 |
tp |
-3.784130273716329E-13 |
3.965922739671754E-14 |
1.460584059640572E-8 |
-2.001822194478735E-11 |
3.213820080350134E-9 |
3.246316998837319E-12 |
node |
-5.163959545800067E-14 |
1.640815861141772E-13 |
-2.001822194478735E-11 |
2.269641720543597E-8 |
-2.267289548638897E-8 |
-1.736702156716541E-10 |
peri |
5.972477624106489E-14 |
-4.068424882722521E-13 |
3.213820080350134E-9 |
-2.267289548638897E-8 |
2.33747315864484E-8 |
1.741616820719434E-10 |
i |
-1.24423051158824E-15 |
3.537557662820642E-15 |
3.246316998837319E-12 |
-1.736702156716541E-10 |
1.741616820719434E-10 |
3.990549980244874E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.6 |
|
n/a |
MPO455186 |
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|
295692 (2008 TW150) Discovered 2008-Oct-09 by Mt. Lemmon Survey at Mount Lemmon |
Reference: 20110912/Numbers.arc | Last Updated: 2011-09-14 |
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