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JPL Small-Body Database Browser
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312640 (2010 BJ43)
Classification: Jupiter Trojan          SPK-ID: 2312640
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05158124441706639 1.2229e-07  
a 5.101182706165634 3.7085e-07 au
q 4.838057354182792 9.4904e-07 au
i 11.37170277547662 9.6579e-06 deg
node 279.51498310943 4.2289e-05 deg
peri 125.5445747453853 0.00011663 deg
M 291.056057291673 0.00011143 deg
tp 2459406.431925689179
(2021-Jul-10.93192569)
0.0013348 TDB
period 4208.281131752891
11.52
0.00045891
1.256e-06
d
yr
n .08554561559200011 9.3286e-09 deg/d
Q 5.364308058148477 3.8998e-07 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      4405 days (12.06 yr)  
   first obs. used      2007-09-09  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48425  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:12:09  

Additional Information
 Earth MOID = 3.86317 au 
 Jupiter MOID = .0335039 au 
 T_jup = 2.959 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO455304  
diameter diameter 10.881 km 0.885 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.103   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

312640 (2010 BJ43)          Discovered 2009-Oct-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2010 BJ43 = 2010 WT71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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