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308660 (2006 BJ139)
Classification: Jupiter Trojan          SPK-ID: 2308660
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03869625309388802 1.0214e-07  
a 5.204095324640146 2.6016e-07 au
q 5.002716334833152 6.7953e-07 au
i 18.40553295510431 1.0623e-05 deg
node 341.5225125275534 2.0602e-05 deg
peri 346.1227863623155 0.00012898 deg
M 273.8981106775739 0.00013651 deg
tp 2460037.613940395765
(2023-Apr-03.11394040)
0.0016825 TDB
period 4336.269755293624
11.87
0.00032517
8.903e-07
d
yr
n .08302066529890577 6.2255e-09 deg/d
Q 5.40547431444714 2.7023e-07 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6398 days (17.52 yr)  
   first obs. used      2001-10-27  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:09:37  

Additional Information
 Earth MOID = 3.99475 au 
 Jupiter MOID = .00993295 au 
 T_jup = 2.896 
[ 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 MPO437367  

308660 (2006 BJ139)          Discovered 2006-Jan-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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