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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 14 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09501341674694626 | 5.7008e-08 | |
a | 3.118420240278359 | 3.8917e-08 | au |
q | 2.822128478396678 | 1.9672e-07 | au |
i | 17.96005380206223 | 6.0615e-06 | deg |
node | 63.78125306165505 | 1.9236e-05 | deg |
peri | .4832656826489969 | 4.3685e-05 | deg |
M | 332.811487835792 | 3.5888e-05 | deg |
tp | 2459352.408938620102 (2021-May-17.90893862) | 0.00020028 | TDB |
period | 2011.408994098221 5.51 | 3.7652e-05 1.031e-07 | d yr |
n | .1789790147385711 | 3.3504e-09 | deg/d |
Q | 3.414712002160039 | 4.2614e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2458018.5 (2017-Sep-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09295753781491575 | 5.7668e-08 | |
q | 2.833851847003762 | 1.9721e-07 | au |
tp | 2457321.427831410221 (2015-Oct-25.92783141) | 0.00021415 | TDB |
node | 63.84141700949692 | 1.9255e-05 | deg |
peri | 357.8896854434523 | 4.4772e-05 | deg |
i | 17.94385641754268 | 6.0749e-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 |
3.325628557683599E-15 |
-1.122934931905483E-14 |
-3.954972935690061E-12 |
1.850369842268397E-15 |
-7.782691111823859E-13 |
-1.169214686387499E-14 |
q |
-1.122934931905483E-14 |
3.889184578663456E-14 |
1.0615179015519E-11 |
-7.41078341079227E-15 |
2.169356679239056E-12 |
4.133666781682232E-14 |
tp |
-3.954972935690061E-12 |
1.0615179015519E-11 |
4.585915427210983E-8 |
5.155794250878674E-11 |
8.701536203712279E-9 |
7.853781649309617E-12 |
node |
1.850369842268397E-15 |
-7.41078341079227E-15 |
5.155794250878674E-11 |
3.707441607983251E-10 |
-3.429889058449935E-10 |
-6.150604530610404E-11 |
peri |
-7.782691111823859E-13 |
2.169356679239056E-12 |
8.701536203712279E-9 |
-3.429889058449935E-10 |
2.00456369890329E-9 |
6.022274881440575E-11 |
i |
-1.169214686387499E-14 |
4.133666781682232E-14 |
7.853781649309617E-12 |
-6.150604530610404E-11 |
6.022274881440575E-11 |
3.690486213259588E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.7 |
|
n/a |
MPO450272 |
|
diameter |
diameter |
4.865 |
km |
0.194 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.039 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
324823 (2007 HL86) Discovered 2007-Apr-24 by Spacewatch at Kitt Peak |
Reference: 20120406/Numbers.arc | Last Updated: 2012-04-09 |
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