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308843 (2006 RA61)
Classification: Main-belt Asteroid          SPK-ID: 2308843
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210502659040918 6.1984e-08  
a 2.787432421195065 2.7708e-08 au
q 2.20067048463664 1.8236e-07 au
i 6.745328312625461 6.4915e-06 deg
node 270.373016104328 5.828e-05 deg
peri 99.78577031268334 6.0946e-05 deg
M 336.625888802421 1.8964e-05 deg
tp 2459110.866571749892
(2020-Sep-18.36657175)
9.0535e-05 TDB
period 1699.827877693864
4.65
2.5345e-05
6.939e-08
d
yr
n .2117861488943267 3.1579e-09 deg/d
Q 3.374194357753491 3.3541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6007 days (16.45 yr)  
   first obs. used      2004-02-17  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:58:31  

Additional Information
 Earth MOID = 1.21278 au 
 Jupiter MOID = 2.17158 au 
 T_jup = 3.288 
[ 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 MPO476380  

308843 (2006 RA61)          Discovered 2006-Sep-14 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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