(2012 XB112) |
Classification: Apollo [NEO] SPK-ID: 3620672 |
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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 21 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1446615055262604 | 2.516e-06 | |
a | 1.028872314960127 | 1.0697e-06 | au |
q | .8800340968837063 | 3.411e-06 | au |
i | 1.321876786608176 | 9.5628e-05 | deg |
node | 76.8715915448122 | 0.00036669 | deg |
peri | 88.82472915387054 | 0.0010541 | deg |
M | 350.9179425558536 | 0.0023998 | deg |
tp | 2459010.116618611803 (2020-Jun-09.61661861) | 0.002556 | TDB |
period | 381.1892538160956 1.04 | 0.0005945 1.628e-06 | d yr |
n | .9444127723854504 | 1.4729e-06 | deg/d |
Q | 1.177710533036548 | 1.2245e-06 | au |
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| | Orbit Determination Parameters
Additional Information
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Orbital Elements at Epoch 2456274.5 (2012-Dec-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1454373315523538 | 2.4453e-06 | |
q | .8793577657756836 | 1.7756e-06 | au |
tp | 2456344.856373778205 (2013-Feb-21.35637378) | 0.00011388 | TDB |
node | 79.94111516412089 | 9.7705e-06 | deg |
peri | 83.94718538827614 | 0.00013563 | deg |
i | 2.376200782289041 | 5.2269e-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 |
5.979610223032488E-12 |
-4.312113111893727E-12 |
-2.265112429367731E-10 |
9.395115028573966E-12 |
2.390970622274034E-10 |
1.17268571933341E-10 |
q |
-4.312113111893727E-12 |
3.152632718579317E-12 |
1.496485672043467E-10 |
-6.463397769523559E-12 |
-1.91821653995881E-10 |
-8.243247188050767E-11 |
tp |
-2.265112429367731E-10 |
1.496485672043467E-10 |
1.296967441321046E-8 |
-4.448932675833204E-10 |
-2.861257406505677E-9 |
-5.052211251752525E-9 |
node |
9.395115028573966E-12 |
-6.463397769523559E-12 |
-4.448932675833204E-10 |
9.546295775761198E-11 |
1.672448236605764E-10 |
3.158570488813052E-10 |
peri |
2.390970622274034E-10 |
-1.91821653995881E-10 |
-2.861257406505677E-9 |
1.672448236605764E-10 |
1.839684157773904E-8 |
3.681808165384083E-9 |
i |
1.17268571933341E-10 |
-8.243247188050767E-11 |
-5.052211251752525E-9 |
3.158570488813052E-10 |
3.681808165384083E-9 |
2.732037418024955E-9 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
29.9 |
|
n/a |
MPO247345 |
|
diameter |
diameter |
0.0025 |
km |
0.0005 |
n/a |
Based on Goldstone echo band-width of 3-4 Hz and light-curve rotational period of 2.6 minutes from light-curves. |
rotation period |
rot_per |
0.043333 |
h |
n/a |
n/a |
2.6 minute rotation period from lightcurves by Bill Ryan |
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