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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05210068350514291 1.2228e-07  
a 5.103328218741755 3.7054e-07 au
q 4.837441330394226 9.4897e-07 au
i 11.37153482983753 9.6574e-06 deg
node 279.5127852177507 4.2283e-05 deg
peri 125.425267404715 0.00011558 deg
M 325.4258197768223 0.00011159 deg
tp 2459404.915757268893
(2021-Jul-09.41575727)
0.001322 TDB
period 4210.936359937229
11.53
0.00045861
1.256e-06
d
yr
n .08549167435182192 9.3109e-09 deg/d
Q 5.369215107089284 3.8984e-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 = 3.86304 au 
 Jupiter MOID = .0368907 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 13.3   n/a MPO494657  
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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