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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 26 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .130387294064242 | 4.9006e-08 | |
a | 2.513924566235879 | 7.6397e-09 | au |
q | 2.18614074456276 | 1.2332e-07 | au |
i | 11.49492967402969 | 6.0804e-06 | deg |
node | 207.2628933520841 | 1.2782e-05 | deg |
peri | 216.8930607448449 | 2.6048e-05 | deg |
M | 349.2234484173351 | 2.0248e-05 | deg |
tp | 2459244.081693397102 (2021-Jan-29.58169340) | 8.1865e-05 | TDB |
period | 1455.884055544678 3.99 | 6.6366e-06 1.817e-08 | d yr |
n | .2472724380962577 | 1.1272e-09 | deg/d |
Q | 2.841708387908999 | 8.6358e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457236.5 (2015-Aug-02.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1310683340710936 | 4.9896e-08 | |
q | 2.184575815412546 | 1.2591e-07 | au |
tp | 2457783.431530207489 (2017-Jan-29.93153021) | 8.1472e-05 | TDB |
node | 207.367066680131 | 1.2755e-05 | deg |
peri | 215.8705374462055 | 2.5793e-05 | deg |
i | 11.50761008963204 | 6.0874e-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 |
2.489587116410049E-15 |
-6.274023278882932E-15 |
-2.986848630282955E-12 |
2.836826519589574E-15 |
-7.905300596835939E-13 |
2.796514363124009E-15 |
q |
-6.274023278882932E-15 |
1.585439741113143E-14 |
7.451283633275975E-12 |
-7.506490509928928E-15 |
1.966943814955261E-12 |
-6.282072026224279E-15 |
tp |
-2.986848630282955E-12 |
7.451283633275975E-12 |
6.637628662931819E-9 |
-6.503540440405662E-12 |
1.827223632212063E-9 |
-3.112892382337134E-12 |
node |
2.836826519589574E-15 |
-7.506490509928928E-15 |
-6.503540440405662E-12 |
1.626792179745657E-10 |
-1.607551090999536E-10 |
-8.474480491241824E-12 |
peri |
-7.905300596835939E-13 |
1.966943814955261E-12 |
1.827223632212063E-9 |
-1.607551090999536E-10 |
6.652982213068708E-10 |
7.408855921795932E-12 |
i |
2.796514363124009E-15 |
-6.282072026224279E-15 |
-3.112892382337134E-12 |
-8.474480491241824E-12 |
7.408855921795932E-12 |
3.705687734401609E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.54 |
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n/a |
E2021B10 |
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diameter |
diameter |
3.471 |
km |
0.368 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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geometric albedo |
albedo |
0.306 |
|
0.033 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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18225 (7069 P-L) Discovered 1960-Oct-22 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar |
Reference: 20001013/Numbers.arc | Last Updated: 2004-04-19 |
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