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78054 (2002 JR140)
Classification: Main-belt Asteroid          SPK-ID: 2078054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683374886265559 7.7261e-08  
a 2.579911915250453 1.8217e-08 au
q 2.145616022559464 2.0876e-07 au
i 4.806072698481184 6.3362e-06 deg
node 146.734801701715 4.8714e-05 deg
peri 199.3000579181604 5.0501e-05 deg
M 36.26074683696475 1.4276e-05 deg
tp 2458848.045591166047
(2019-Dec-30.54559117)
5.9173e-05 TDB
period 1513.581268113155
4.14
1.6031e-05
4.389e-08
d
yr
n .2378464953182061 2.5192e-09 deg/d
Q 3.014207807941442 2.1284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      7282 days (19.94 yr)  
   first obs. used      1999-10-20  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 09:14:56  

Additional Information
 Earth MOID = 1.13898 au 
 Jupiter MOID = 2.39619 au 
 T_jup = 3.400 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO436328  

78054 (2002 JR140)          Discovered 2002-May-10 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 JR140 = 2001 DE56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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