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JPL Small-Body Database Browser
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344872 (2004 JA39)
Classification: Main-belt Asteroid          SPK-ID: 2344872
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659954668230153 7.0466e-08  
a 3.081641529999031 3.9611e-08 au
q 2.570103005645651 2.1775e-07 au
i 20.45860425128856 7.7571e-06 deg
node 84.87333662088712 1.8362e-05 deg
peri 346.9664439821658 2.6889e-05 deg
M 63.79785998356137 1.9409e-05 deg
tp 2458250.333000629990
(2018-May-11.83300063)
0.00010472 TDB
period 1975.930224080953
5.41
3.8097e-05
1.043e-07
d
yr
n .1821926683506466 3.5128e-09 deg/d
Q 3.593180054352411 4.6186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6349 days (17.38 yr)  
   first obs. used      2001-11-17  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55866  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:07:51  

Additional Information
 Earth MOID = 1.5886 au 
 Jupiter MOID = 1.69729 au 
 T_jup = 3.111 
[ 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 15.2   n/a MPO437461  

344872 (2004 JA39)          Discovered 2004-May-14 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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