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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2471116152025972 | 1.3008e-07 | |
a | 2.529597302075245 | 2.0918e-08 | au |
q | 1.904504426947299 | 3.3293e-07 | au |
i | 17.87532962655434 | 2.7866e-05 | deg |
node | 184.2578903610248 | 2.8344e-05 | deg |
peri | 267.0287141530429 | 9.7355e-05 | deg |
M | 174.8555171271959 | 9.0119e-05 | deg |
tp | 2457886.739762956873 (2017-May-13.23976296) | 0.00036493 | TDB |
period | 1469.520033208955 4.02 | 1.8228e-05 4.991e-08 | d yr |
n | .2449779464481861 | 3.0386e-09 | deg/d |
Q | 3.154690177203191 | 2.6087e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2456285.5 (2012-Dec-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2475675544761725 | 1.3242e-07 | |
q | 1.902002383780249 | 3.411e-07 | au |
tp | 2456417.434557276053 (2013-May-04.93455728) | 0.00035518 | TDB |
node | 184.4142618519915 | 2.822e-05 | deg |
peri | 266.6408606900508 | 9.7558e-05 | deg |
i | 17.90049875965801 | 2.7905e-05 | 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 |
1.753447162649207E-14 |
-4.512256487332327E-14 |
-4.396591011171914E-11 |
3.71017042910551E-13 |
-1.149153377963662E-11 |
6.697579143804969E-14 |
q |
-4.512256487332327E-14 |
1.163482364632632E-13 |
1.136402764528674E-10 |
-9.446683990290286E-13 |
2.96864565325526E-11 |
-1.532465537989926E-13 |
tp |
-4.396591011171914E-11 |
1.136402764528674E-10 |
1.261503948769022E-7 |
-1.069989896142507E-9 |
3.327485857989494E-8 |
-2.034103475465999E-10 |
node |
3.71017042910551E-13 |
-9.446683990290286E-13 |
-1.069989896142507E-9 |
7.963512747241226E-10 |
-1.029983061323753E-9 |
6.29519411494612E-10 |
peri |
-1.149153377963662E-11 |
2.96864565325526E-11 |
3.327485857989494E-8 |
-1.029983061323753E-9 |
9.517641055015262E-9 |
-6.510575912657773E-10 |
i |
6.697579143804969E-14 |
-1.532465537989926E-13 |
-2.034103475465999E-10 |
6.29519411494612E-10 |
-6.510575912657773E-10 |
7.786946920586511E-10 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.1 |
|
n/a |
MPO449955 |
|
diameter |
diameter |
2.365 |
km |
0.486 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.151 |
|
0.043 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
193286 (2000 SX231) Discovered 2000-Sep-24 by LINEAR at Socorro |
Reference: 20081113/Numbers.arc | Last Updated: 2008-11-17 |
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