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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 30 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1549473188906403 | 3.6272e-08 | |
a | 3.200346653729683 | 2.024e-08 | au |
q | 2.704461520213636 | 1.1617e-07 | au |
i | 1.555373043681623 | 4.9134e-06 | deg |
node | 54.77548778849947 | 0.00015845 | deg |
peri | 52.63042526898986 | 0.00015933 | deg |
M | 54.70526900198696 | 1.7189e-05 | deg |
tp | 2458882.724348404918 (2020-Feb-03.22434840) | 9.8595e-05 | TDB |
period | 2091.192250056832 5.73 | 1.9838e-05 5.431e-08 | d yr |
n | .1721505997309508 | 1.6331e-09 | deg/d |
Q | 3.69623178724573 | 2.3376e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456678.5 (2014-Jan-21.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1557895984963811 | 3.6276e-08 | |
q | 2.70239979804509 | 1.1641e-07 | au |
tp | 2456798.044849292486 (2014-May-20.54484929) | 9.2012e-05 | TDB |
node | 54.85310491197563 | 0.00015823 | deg |
peri | 53.69838682285513 | 0.00015909 | deg |
i | 1.556573637098078 | 4.9156e-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 |
1.315933727888458E-15 |
-4.17893465268653E-15 |
-2.927334124372269E-13 |
-4.199941610371968E-16 |
-5.651365606717464E-14 |
-7.280124696665124E-17 |
q |
-4.17893465268653E-15 |
1.355165696968972E-14 |
1.199185114687789E-12 |
2.110900232071561E-15 |
2.217251909623622E-13 |
2.695389331079271E-16 |
tp |
-2.927334124372269E-13 |
1.199185114687789E-12 |
8.466209009575262E-9 |
-1.492488441327639E-13 |
1.54793768584561E-9 |
-4.680946901161146E-13 |
node |
-4.199941610371968E-16 |
2.110900232071561E-15 |
-1.492488441327639E-13 |
2.503664749859719E-8 |
-2.502688759096217E-8 |
-9.831451520462863E-11 |
peri |
-5.651365606717464E-14 |
2.217251909623622E-13 |
1.54793768584561E-9 |
-2.502688759096217E-8 |
2.531103564363012E-8 |
9.81879189879485E-11 |
i |
-7.280124696665124E-17 |
2.695389331079271E-16 |
-4.680946901161146E-13 |
-9.831451520462863E-11 |
9.81879189879485E-11 |
2.416331139158464E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.61 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
6.716 |
km |
0.305 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.039 |
|
0.003 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
85601 (1998 FU121) Discovered 1998-Mar-20 by LINEAR at Socorro |
Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
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