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312444 (2008 JN3)
Classification: Main-belt Asteroid          SPK-ID: 2312444
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .209638857399427 5.3733e-08  
a 3.098875648314677 3.6487e-08 au
q 2.44923089817908 1.7628e-07 au
i 18.78767260713303 6.4851e-06 deg
node 98.492150023075 1.7462e-05 deg
peri 172.6005692073997 2.465e-05 deg
M 47.68667690426743 1.4425e-05 deg
tp 2458736.563648387544
(2019-Sep-10.06364839)
7.9051e-05 TDB
period 1992.528998639054
5.46
3.5191e-05
9.635e-08
d
yr
n .1806749112539335 3.191e-09 deg/d
Q 3.748520398450275 4.4136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6390 days (17.49 yr)  
   first obs. used      2002-03-21  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:55  

Additional Information
 Earth MOID = 1.43397 au 
 Jupiter MOID = 1.40494 au 
 T_jup = 3.108 
[ 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  

312444 (2008 JN3)          Discovered 2008-May-03 by BATTeRS at Bisei SG Center
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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