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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100044927144485 5.3698e-08  
a 3.100617428087508 3.6159e-08 au
q 2.449473838000413 1.764e-07 au
i 18.78445468512647 6.4844e-06 deg
node 98.49712116527679 1.7465e-05 deg
peri 172.847494869266 2.4628e-05 deg
M 335.2733813277931 1.4209e-05 deg
tp 2458737.472358267088
(2019-Sep-10.97235827)
7.9001e-05 TDB
period 1994.209140757968
5.46
3.4885e-05
9.551e-08
d
yr
n .1805226907460516 3.1579e-09 deg/d
Q 3.751761018174603 4.3753e-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 = 1.43364 au 
 Jupiter MOID = 1.40044 au 
 T_jup = 3.107 
[ 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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