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78055 (2002 JJ146)
Classification: Main-belt Asteroid          SPK-ID: 2078055
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06606553017828878 4.4228e-08  
a 2.551918342562615 1.5203e-08 au
q 2.383324504289516 1.0967e-07 au
i 12.94278095979297 5.0992e-06 deg
node 92.00120811310913 2.1191e-05 deg
peri 108.1824978368035 4.558e-05 deg
M 220.6003682374271 4.0887e-05 deg
tp 2459577.077529432865
(2021-Dec-28.57752943)
0.00016973 TDB
period 1489.013335052158
4.08
1.3306e-05
3.643e-08
d
yr
n .2417708367852795 2.1605e-09 deg/d
Q 2.720512180835715 1.6207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:25  

Additional Information
 Earth MOID = 1.41122 au 
 Jupiter MOID = 2.34019 au 
 T_jup = 3.401 
[ 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 15.1   n/a MPO439580  

78055 (2002 JJ146)          Discovered 2002-May-15 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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