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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 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .134278271503558 | 4.9183e-08 | |
a | 2.32644053092152 | 8.6009e-09 | au |
q | 2.014050117673559 | 1.1651e-07 | au |
i | .5717923400834197 | 5.5821e-06 | deg |
node | 198.3711978259351 | 0.00039295 | deg |
peri | 213.6008715842704 | 0.00039344 | deg |
M | 356.5015057646419 | 1.7617e-05 | deg |
tp | 2459213.095488680304 (2020-Dec-29.59548868) | 6.3436e-05 | TDB |
period | 1296.093581942189 3.55 | 7.1875e-06 1.968e-08 | d yr |
n | .2777577213680373 | 1.5403e-09 | deg/d |
Q | 2.638830944169481 | 9.7558e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457258.5 (2015-Aug-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1355751942356288 | 4.9493e-08 | |
q | 2.010704125238543 | 1.174e-07 | au |
tp | 2456619.085460243702 (2013-Nov-22.58546024) | 6.1434e-05 | TDB |
node | 198.424617914731 | 0.00039306 | deg |
peri | 213.147184559452 | 0.00039354 | deg |
i | .5713361242521172 | 5.587e-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 |
2.449524805544689E-15 |
-5.799266585052379E-15 |
-9.387143854077378E-13 |
1.324305688020564E-14 |
-3.234191067997664E-13 |
-1.989170509324551E-16 |
q |
-5.799266585052379E-15 |
1.378160849273753E-14 |
2.156192518863912E-12 |
-3.028470457778615E-14 |
7.515754746442944E-13 |
5.074834993202937E-16 |
tp |
-9.387143854077378E-13 |
2.156192518863912E-12 |
3.774167312419987E-9 |
-1.399883362512273E-11 |
1.199954160561056E-9 |
-2.281273360040105E-13 |
node |
1.324305688020564E-14 |
-3.028470457778615E-14 |
-1.399883362512273E-11 |
1.54499935801416E-7 |
-1.544958430439218E-7 |
1.842729709587407E-10 |
peri |
-3.234191067997664E-13 |
7.515754746442944E-13 |
1.199954160561056E-9 |
-1.544958430439218E-7 |
1.548764370142232E-7 |
-1.843271265855315E-10 |
i |
-1.989170509324551E-16 |
5.074834993202937E-16 |
-2.281273360040105E-13 |
1.842729709587407E-10 |
-1.843271265855315E-10 |
3.121428053795416E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
17.51 |
|
n/a |
E2021B55 |
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|
136689 (1995 SF38) Discovered 1995-Sep-24 by Spacewatch at Kitt Peak |
Reference: 20061205/Numbers.arc | Last Updated: 2006-12-13 |
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Alternate Designations
1995 SF38 = 1999 YL25 = 2004 FT131 |
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