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JPL Small-Body Database Browser
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212256 (2005 JH94)
Classification: Main-belt Asteroid          SPK-ID: 2212256
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05698469309399032 5.8559e-08  
a 2.775308109754296 2.8616e-08 au
q 2.617158028878685 1.6004e-07 au
i 3.482137038111735 6.6422e-06 deg
node 226.0391671423 0.00011138 deg
peri 255.6166218569176 0.00012706 deg
M 106.3080234984081 6.1954e-05 deg
tp 2458101.812161816829
(2017-Dec-14.31216182)
0.00029029 TDB
period 1688.749502041395
4.62
2.6119e-05
7.151e-08
d
yr
n .2131754884693228 3.2971e-09 deg/d
Q 2.933458190629907 3.0247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5609 days (15.36 yr)  
   first obs. used      2003-12-22  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:56:16  

Additional Information
 Earth MOID = 1.63603 au 
 Jupiter MOID = 2.1148 au 
 T_jup = 3.330 
[ 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 16.4   n/a MPO437019  

212256 (2005 JH94)          Discovered 2005-May-07 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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