(2020 EF) |
Classification: Aten [NEO] SPK-ID: 54013540 |
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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 7 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1147516374541316 | 0.00019511 | |
a | .959498189080195 | 3.3907e-05 | au |
q | .8493942007489687 | 0.00021722 | au |
i | 6.855917806824915 | 0.012094 | deg |
node | 352.5489204308502 | 0.00070729 | deg |
peri | 319.3620462639832 | 0.0091175 | deg |
M | 161.6388995429499 | 0.042476 | deg |
tp | 2459046.362592456858 (2020-Jul-15.86259246) | 0.032337 | TDB |
period | 343.2927771250172 0.94 | 0.018197 4.982e-05 | d yr |
n | 1.048667563048956 | 5.5588e-05 | deg/d |
Q | 1.069602177411421 | 3.7798e-05 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2458927.5 (2020-Mar-19.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1150153903221575 | 0.00019351 | |
q | .8485922636286007 | 0.00021409 | au |
tp | 2459046.566163123134 (2020-Jul-16.06616312) | 0.033795 | TDB |
node | 352.6675094823539 | 0.0011894 | deg |
peri | 319.5452617908309 | 0.010612 | deg |
i | 6.8789536482874 | 0.012022 | 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 |
3.744495945814055E-8 |
-4.142804349814993E-8 |
-6.539220206805116E-6 |
-2.301352015804362E-7 |
-2.051582671293817E-6 |
2.326429129946085E-6 |
q |
-4.142804349814993E-8 |
4.583514493229778E-8 |
7.234602629421408E-6 |
2.546203409417678E-7 |
2.269559481323047E-6 |
-2.573895327053339E-6 |
tp |
-6.539220206805116E-6 |
7.234602629421408E-6 |
.001142113007955215 |
4.018604901881698E-5 |
.0003584416846591239 |
-.0004062758637792041 |
node |
-2.301352015804362E-7 |
2.546203409417678E-7 |
4.018604901881698E-5 |
1.41472660544809E-6 |
1.26042761484121E-5 |
-1.429815055988164E-5 |
peri |
-2.051582671293817E-6 |
2.269559481323047E-6 |
.0003584416846591239 |
1.26042761484121E-5 |
.0001126040202463602 |
-.0001274622786399347 |
i |
2.326429129946085E-6 |
-2.573895327053339E-6 |
-.0004062758637792041 |
-1.429815055988164E-5 |
-.0001274622786399347 |
.0001445399784868231 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
26.2 |
|
.39007 |
E2020-FA7 |
autocmod 2.8 |
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