(2011 ES4) |
Classification: Apollo [NEO] SPK-ID: 3558279 |
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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 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2424805571273782 | 1.1462e-07 | |
a | 1.090418252540268 | 5.7195e-09 | au |
q | .8260130271624417 | 1.2069e-07 | au |
i | 3.373484446695503 | 7.8955e-06 | deg |
node | 339.8902336765158 | 1.3024e-05 | deg |
peri | 273.5679701522355 | 1.7249e-05 | deg |
M | 337.252200195338 | 8.2068e-06 | deg |
tp | 2459026.779977705678 (2020-Jun-26.27997771) | 9.5524e-06 | TDB |
period | 415.8992102658208 1.14 | 3.2722e-06 8.959e-09 | d yr |
n | .8655943341895433 | 6.8103e-09 | deg/d |
Q | 1.354823477918095 | 7.1063e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Orbital Elements at Epoch 2458659.5 (2019-Jun-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2424841086765401 | 1.147e-07 | |
q | .8259724637473441 | 1.2073e-07 | au |
tp | 2458610.917954252049 (2019-May-07.41795425) | 8.9193e-06 | TDB |
node | 339.8986190896534 | 1.3022e-05 | deg |
peri | 273.5646584574761 | 1.7255e-05 | deg |
i | 3.373553879984803 | 7.8954e-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 |
1.315584482576431E-14 |
-1.384691910386448E-14 |
9.28694078998269E-14 |
5.160491864607162E-13 |
-1.562857580400093E-12 |
1.449537336461176E-13 |
q |
-1.384691910386448E-14 |
1.457457651270839E-14 |
-1.008758058898806E-13 |
-5.45095254579918E-13 |
1.643801571248062E-12 |
-1.520434515817081E-13 |
tp |
9.28694078998269E-14 |
-1.008758058898806E-13 |
7.955395171408607E-11 |
6.170894561200941E-11 |
1.155178306065592E-11 |
-5.649659946115764E-12 |
node |
5.160491864607162E-13 |
-5.45095254579918E-13 |
6.170894561200941E-11 |
1.695618144842915E-10 |
-1.506343212178961E-10 |
6.689198258976685E-11 |
peri |
-1.562857580400093E-12 |
1.643801571248062E-12 |
1.155178306065592E-11 |
-1.506343212178961E-10 |
2.977363199116501E-10 |
-8.493091667570979E-11 |
i |
1.449537336461176E-13 |
-1.520434515817081E-13 |
-5.649659946115764E-12 |
6.689198258976685E-11 |
-8.493091667570979E-11 |
6.233774561142214E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
25.9 |
|
n/a |
E2020-SD9 |
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