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212234 (2005 JP31)
Classification: Main-belt Asteroid          SPK-ID: 2212234
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 .2131743588818879 3.7636e-08  
a 2.718694479466715 2.2218e-08 au
q 2.13913852681067 1.0634e-07 au
i 14.37371579585211 8.1589e-06 deg
node 38.21746463819166 1.7947e-05 deg
peri 272.1117705033546 2.8134e-05 deg
M 70.19085240509867 2.4008e-05 deg
tp 2458681.260184854234
(2019-Jul-16.76018485)
0.00010695 TDB
period 1637.34061511593
4.48
2.0071e-05
5.495e-08
d
yr
n .2198687290087839 2.6953e-09 deg/d
Q 3.29825043212276 2.6955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      8040 days (22.01 yr)  
   first obs. used      1996-04-18  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62187  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:06:04  

Additional Information
 Earth MOID = 1.18356 au 
 Jupiter MOID = 2.18629 au 
 T_jup = 3.282 
[ 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 15.4   n/a MPO437019  

212234 (2005 JP31)          Discovered 2005-May-04 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2005 JP31 = 1996 HP16 = 2001 OC84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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