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JPL Small-Body Database Browser
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379844 (2012 BJ72)
Classification: Jupiter Trojan          SPK-ID: 2379844
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05786438602246689 1.0116e-07  
a 5.244384253947214 2.8856e-07 au
q 4.940921179026665 6.8607e-07 au
i 9.599900406353594 9.0908e-06 deg
node 154.8289461784817 4.1494e-05 deg
peri 209.3271306200214 0.00010518 deg
M 351.0523827787842 8.8482e-05 deg
tp 2458709.529765992237
(2019-Aug-14.02976599)
0.0010708 TDB
period 4386.722720339199
12.01
0.00036205
9.912e-07
d
yr
n .08206582064803115 6.7731e-09 deg/d
Q 5.547847328867761 3.0525e-07 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6829 days (18.70 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48284  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:19:24  

Additional Information
 Earth MOID = 3.94072 au 
 Jupiter MOID = .0282991 au 
 T_jup = 2.969 
[ 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 13.4   n/a MPO434349  

379844 (2012 BJ72)          Discovered 2011-Dec-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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