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344912 (2004 RJ237)
Classification: Main-belt Asteroid          SPK-ID: 2344912
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939243219017595 2.2958e-06  
a 2.45714049406009 5.3036e-07 au
q 1.980641189932133 5.2166e-06 au
i 2.22698771894817 1.1368e-05 deg
node 313.1076145666783 0.00051317 deg
peri 50.02039441283476 0.00067576 deg
M 22.08984120759648 0.00072509 deg
tp 2458914.175612831332
(2020-Mar-05.67561283)
0.0028059 TDB
period 1406.835797897611
3.85
0.00045549
1.247e-06
d
yr
n .2558934031519439 8.285e-08 deg/d
Q 2.933639798188047 6.3321e-07 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      5959 days (16.31 yr)  
   first obs. used      2000-09-03  
   last obs. used      2016-12-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .64037  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:25:22  

Additional Information
 Earth MOID = .979032 au 
 Jupiter MOID = 2.52967 au 
 T_jup = 3.465 
[ 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 17.9   n/a MPO434170  

344912 (2004 RJ237)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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