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312448 (2008 JH25)
Classification: Main-belt Asteroid          SPK-ID: 2312448
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04492079623315973 4.2716e-08  
a 3.174924684458962 4.2484e-08 au
q 3.032304539652752 1.3842e-07 au
i 9.670367833038487 5.0256e-06 deg
node 48.93861779689882 2.6908e-05 deg
peri 195.0602442370884 7.3192e-05 deg
M 38.9663040736224 6.4822e-05 deg
tp 2458776.841564608973
(2019-Oct-20.34156461)
0.00037396 TDB
period 2066.32470425324
5.66
4.1475e-05
1.136e-07
d
yr
n .1742223762117301 3.497e-09 deg/d
Q 3.317544829265172 4.4393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      5823 days (15.94 yr)  
   first obs. used      2004-09-13  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:25  

Additional Information
 Earth MOID = 2.02083 au 
 Jupiter MOID = 1.67524 au 
 T_jup = 3.177 
[ 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 15.4   n/a MPO437379  

312448 (2008 JH25)          Discovered 2008-May-06 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 JH25 = 2010 OJ111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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