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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 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03441195432989844 | 6.7561e-08 | |
a | 2.789568242351352 | 3.4042e-08 | au |
q | 2.693573747395423 | 1.8142e-07 | au |
i | 6.027559202984443 | 5.5847e-06 | deg |
node | 60.17794787624445 | 6.4998e-05 | deg |
peri | 272.9924154608011 | 0.0001079 | deg |
M | 160.1173888794521 | 8.8608e-05 | deg |
tp | 2458243.597550658058 (2018-May-05.09755066) | 0.00041745 | TDB |
period | 1701.781946795581 4.66 | 3.1151e-05 8.529e-08 | d yr |
n | .2115429657000842 | 3.8723e-09 | deg/d |
Q | 2.885562737307282 | 3.5213e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457084.5 (2015-Mar-03.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03453235045430375 | 6.6719e-08 | |
q | 2.692409180251274 | 1.787e-07 | au |
tp | 2456521.882240551464 (2013-Aug-17.38224055) | 0.00042267 | TDB |
node | 60.30598378454797 | 6.5065e-05 | deg |
peri | 268.7302797758724 | 0.00010918 | deg |
i | 6.025419732859259 | 5.5796e-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 |
4.451398571642448E-15 |
-1.173987041268359E-14 |
9.084626069660693E-12 |
-1.038503102320494E-14 |
1.895960351929489E-12 |
2.392271949793944E-15 |
q |
-1.173987041268359E-14 |
3.193229132428613E-14 |
-2.465366175274869E-11 |
2.762984740094949E-14 |
-5.082907396976205E-12 |
-5.060369360078197E-15 |
tp |
9.084626069660693E-12 |
-2.465366175274869E-11 |
1.786475941857773E-7 |
1.579671174569647E-11 |
3.711899592738348E-8 |
-1.575343495544673E-12 |
node |
-1.038503102320494E-14 |
2.762984740094949E-14 |
1.579671174569647E-11 |
4.233474972168691E-9 |
-4.206490194337692E-9 |
-7.884741966267458E-11 |
peri |
1.895960351929489E-12 |
-5.082907396976205E-12 |
3.711899592738348E-8 |
-4.206490194337692E-9 |
1.192093433619141E-8 |
7.814970674706581E-11 |
i |
2.392271949793944E-15 |
-5.060369360078197E-15 |
-1.575343495544673E-12 |
-7.884741966267458E-11 |
7.814970674706581E-11 |
3.113238307788083E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.0 |
|
n/a |
MPO454787 |
|
diameter |
diameter |
3.158 |
km |
1.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.071 |
|
0.045 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
243492 (2009 UB26) Discovered 2009-Oct-21 by CSS at Catalina |
Reference: 20100626/Numbers.arc | Last Updated: 2010-06-28 |
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