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332705 (2009 RA56)
Classification: Main-belt Asteroid          SPK-ID: 2332705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596273736563357 6.4862e-08  
a 3.066679262941026 4.6059e-08 au
q 2.577153306351403 2.001e-07 au
i 2.716737916583016 7.3949e-06 deg
node 101.38489398 0.00019868 deg
peri 3.942119625401989 0.00020092 deg
M 291.5199610703697 3.3256e-05 deg
tp 2459373.631968565299
(2021-Jun-08.13196857)
0.00018586 TDB
period 1961.557130853005
5.37
4.4191e-05
1.21e-07
d
yr
n .1835276650053267 4.1346e-09 deg/d
Q 3.556205219530649 5.3411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      8918 days (24.42 yr)  
   first obs. used      1995-03-23  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:19:43  

Additional Information
 Earth MOID = 1.59401 au 
 Jupiter MOID = 1.58351 au 
 T_jup = 3.211 
[ 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 16.3   n/a MPO476524  
diameter diameter 3.084 km 1.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332705 (2009 RA56)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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