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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 28 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1275594829498314 | 3.8215e-08 | |
a | 3.140781276713696 | 1.8803e-08 | au |
q | 2.740144840997586 | 1.2147e-07 | au |
i | 13.66714001265261 | 4.3941e-06 | deg |
node | 23.98778233108358 | 1.509e-05 | deg |
peri | 351.2705084067971 | 2.1063e-05 | deg |
M | 193.8927869354242 | 1.6515e-05 | deg |
tp | 2459938.582334793505 (2022-Dec-25.08233479) | 9.7898e-05 | TDB |
period | 2033.082334566494 5.57 | 1.8257e-05 4.998e-08 | d yr |
n | .1770710383339007 | 1.5901e-09 | deg/d |
Q | 3.541417712429807 | 2.1201e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456991.5 (2014-Nov-30.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .127158969601872 | 3.8202e-08 | |
q | 2.741758497376386 | 1.2134e-07 | au |
tp | 2457908.229704750854 (2017-Jun-03.72970475) | 8.886e-05 | TDB |
node | 24.01607428759978 | 1.5088e-05 | deg |
peri | 351.9547856767015 | 2.1098e-05 | deg |
i | 13.66709998012979 | 4.394e-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 |
1.459421063438631E-15 |
-4.593342710005618E-15 |
6.00143135870924E-14 |
-1.189306382427287E-16 |
-3.462077500536241E-15 |
-6.056663635996427E-16 |
q |
-4.593342710005618E-15 |
1.472419674936003E-14 |
4.318240517438097E-13 |
6.633527493513009E-18 |
9.399686621041779E-14 |
3.388386319949396E-15 |
tp |
6.00143135870924E-14 |
4.318240517438097E-13 |
7.896037421202353E-9 |
2.491461573824672E-12 |
1.31953369293746E-9 |
1.589970554169352E-12 |
node |
-1.189306382427287E-16 |
6.633527493513009E-18 |
2.491461573824672E-12 |
2.276553918522576E-10 |
-2.205249454372928E-10 |
-1.527086292324741E-12 |
peri |
-3.462077500536241E-15 |
9.399686621041779E-14 |
1.31953369293746E-9 |
-2.205249454372928E-10 |
4.451108810287181E-10 |
1.705412570572092E-12 |
i |
-6.056663635996427E-16 |
3.388386319949396E-15 |
1.589970554169352E-12 |
-1.527086292324741E-12 |
1.705412570572092E-12 |
1.930693423479287E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.08 |
|
n/a |
E2020-QM5 |
|
diameter |
diameter |
13.492 |
km |
0.153 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.081 |
|
0.018 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
16458 (1989 WZ2) Discovered 1989-Nov-21 by Oshima, Y. at Gekko |
Reference: 20000913/Numbers.arc | Last Updated: 2004-04-19 |
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