(2009 BK2) |
Classification: Apollo [NEO] SPK-ID: 3444372 |
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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 9 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2124770815169815 | 0.00071846 | |
a | 1.012685021605138 | 5.1883e-05 | au |
q | .7975126637185169 | 0.00068681 | au |
i | 3.552989675681595 | 0.012787 | deg |
node | 126.0578339254948 | 0.0097787 | deg |
peri | 121.6227890329522 | 0.035248 | deg |
M | 306.2834730753207 | 0.45361 | deg |
tp | 2459056.041222053143 (2020-Jul-25.54122205) | 0.47328 | TDB |
period | 372.2288294470001 1.02 | 0.028606 7.832e-05 | d yr |
n | .9671470115166314 | 7.4325e-05 | deg/d |
Q | 1.227857379491759 | 6.2907e-05 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2454853.5 (2009-Jan-22.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2124579233966818 | 0.00071102 | |
q | .7969930788302457 | 0.00064906 | au |
tp | 2454962.796643758801 (2009-May-11.29664376) | 0.03106 | TDB |
node | 126.6515670690442 | 0.0075574 | deg |
peri | 121.4002409339319 | 0.032517 | deg |
i | 3.569287594202483 | 0.012868 | 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 |
5.055478530526895E-7 |
-4.614639320725933E-7 |
-2.197813235287218E-5 |
-5.372194583711806E-6 |
2.297408348776414E-5 |
9.1488865277022E-6 |
q |
-4.614639320725933E-7 |
4.212787493693321E-7 |
2.003949138565871E-5 |
4.904423767018766E-6 |
-2.099752514506034E-5 |
-8.351872868959007E-6 |
tp |
-2.197813235287218E-5 |
2.003949138565871E-5 |
.0009647027079329964 |
.0002332545144828968 |
-.0009877027788840608 |
-.0003974005985157236 |
node |
-5.372194583711806E-6 |
4.904423767018766E-6 |
.0002332545144828968 |
5.71143637841038E-5 |
-.0002445017616246271 |
-9.723954011721003E-5 |
peri |
2.297408348776414E-5 |
-2.099752514506034E-5 |
-.0009877027788840608 |
-.0002445017616246271 |
.001057364477211624 |
.000416167815784411 |
i |
9.1488865277022E-6 |
-8.351872868959007E-6 |
-.0003974005985157236 |
-9.723954011721003E-5 |
.000416167815784411 |
.0001655856936136345 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
25.3 |
|
n/a |
MPO152543 |
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