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78004 (2002 JK51)
Classification: Main-belt Asteroid          SPK-ID: 2078004
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758631899259188 3.4128e-08  
a 2.257094246004081 7.0467e-09 au
q 1.860154451938367 7.6336e-08 au
i 2.158963290594 3.8075e-06 deg
node 29.5948901022667 9.8601e-05 deg
peri 209.317662529432 9.9159e-05 deg
M 111.7215929526812 1.0168e-05 deg
tp 2458616.122829162742
(2019-May-12.62282916)
3.4811e-05 TDB
period 1238.576875286953
3.39
5.8003e-06
1.588e-08
d
yr
n .2906561612629781 1.3611e-09 deg/d
Q 2.654034040069795 8.2859e-09 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1998-01-07  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:36  

Additional Information
 Earth MOID = .848377 au 
 Jupiter MOID = 2.35382 au 
 T_jup = 3.601 
[ 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 16.0   n/a MPO432331  

78004 (2002 JK51)          Discovered 2002-May-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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