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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457396.5 (2016-Jan-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0388501515139419 1.0279e-07  
q 4.995034899498498 6.7611e-07 au
tp 2455748.971030547358
(2011-Jul-06.47103055)
0.0015006 TDB
node 341.5339607400587 2.0599e-05 deg
peri 349.3561589103026 0.00012636 deg
i 18.41528623870624 1.0626e-05 deg
  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
 Jupiter MOID = .00993295 au 
 T_jup = 2.896 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.056546691021392E-14 -6.524988493559009E-14 2.942582823762622E-11 1.459233226269444E-14 1.876032887719582E-12 6.365031512837563E-15
q -6.524988493559009E-14 4.57119029563792E-13 -6.363767243468052E-12 -9.686319339256445E-14 4.652213342064277E-12 -2.360246398372689E-14
tp 2.942582823762622E-11 -6.363767243468052E-12 2.251901870528129E-6 -7.188544718599625E-11 1.86593986757518E-7 1.914596825871899E-12
node 1.459233226269444E-14 -9.686319339256445E-14 -7.188544718599625E-11 4.243280059043148E-10 -4.092398424145402E-10 2.560585458522342E-11
peri 1.876032887719582E-12 4.652213342064277E-12 1.86593986757518E-7 -4.092398424145402E-10 1.596747146690016E-8 -2.387351747166658E-11
i 6.365031512837563E-15 -2.360246398372689E-14 1.914596825871899E-12 2.560585458522342E-11 -2.387351747166658E-11 1.129145049249444E-10

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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