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JPL Small-Body Database Browser
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85235 (1993 JA)
Classification: Mars-crossing Asteroid          SPK-ID: 2085235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834166802386296 9.9933e-08  
a 1.962247657409958 5.864e-09 au
q 1.602338706281796 1.9706e-07 au
i 30.10145109925127 1.3166e-05 deg
node 44.00625203994666 7.442e-06 deg
peri 223.7762631247936 2.7201e-05 deg
M 129.4251985874353 2.8071e-05 deg
tp 2458239.551289142265
(2018-May-01.05128914)
7.7814e-05 TDB
period 1003.98946516586
2.75
4.5005e-06
1.232e-08
d
yr
n .3585694994723153 1.6073e-09 deg/d
Q 2.32215660853812 6.9395e-09 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      8620 days (23.60 yr)  
   first obs. used      1993-04-21  
   last obs. used      2016-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51423  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 15:15:01  

Additional Information
 Earth MOID = .643508 au 
 Jupiter MOID = 2.78965 au 
 T_jup = 3.696 
[ 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 16.9   n/a MPO453282  

85235 (1993 JA)          Discovered 1993-May-13 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1993 JA = 2004 HG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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