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183140 (2002 RA231)
Classification: Main-belt Asteroid          SPK-ID: 2183140
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049102596522249 6.4689e-08  
a 2.418454740161568 1.631e-08 au
q 2.164734025414063 1.6027e-07 au
i 7.457306789078929 6.2203e-06 deg
node 60.53751510249006 5.2451e-05 deg
peri 324.8765998395749 5.9668e-05 deg
M 227.9062499012706 3.0754e-05 deg
tp 2459504.563374259793
(2021-Oct-17.06337426)
0.0001193 TDB
period 1373.742622931793
3.76
1.3897e-05
3.805e-08
d
yr
n .2620578221790198 2.651e-09 deg/d
Q 2.672175454909072 1.8021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1991-11-08  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 01:52:44  

Additional Information
 Earth MOID = 1.17435 au 
 Jupiter MOID = 2.75013 au 
 T_jup = 3.496 
[ 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 16.6   n/a MPO433197  

183140 (2002 RA231)          Discovered 2002-Sep-15 by NEAT at Haleakala
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2002 RA231 = 2006 SR280 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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