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56920 (2000 RA1)
Classification: Main-belt Asteroid          SPK-ID: 2056920
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06136780806582043 5.0411e-08  
a 3.159796183229768 2.1468e-08 au
q 2.965886417530212 1.5571e-07 au
i 21.47711490993047 6.376e-06 deg
node 183.5462925948301 1.0019e-05 deg
peri 227.1821882455839 3.8689e-05 deg
M 141.5189475847506 3.8056e-05 deg
tp 2458194.009749600441
(2018-Mar-16.50974960)		 0.00021587 TDB
period 2051.573270568374
5.62		 2.0908e-05
5.724e-08		 d
yr
n .1754750879066895 1.7883e-09 deg/d
Q 3.353705948929324 2.2785e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      10257 days (28.08 yr)  
   first obs. used      1992-04-26  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:19  

Additional Information
 Earth MOID = 2.0002 au 
 Jupiter MOID = 1.93724 au 
 T_jup = 3.094 
[ 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 13.5   n/a MPO337709  
diameter diameter 10.119 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56920 (2000 RA1)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RA1 = 1998 HB120 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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