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226804 (2004 RB213)
Classification: Main-belt Asteroid          SPK-ID: 2226804
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294385873722038 4.9162e-08  
a 2.73704115629587 2.1284e-08 au
q 2.382762415445349 1.3009e-07 au
i 14.26845626864028 5.5037e-06 deg
node 264.0231174666029 2.621e-05 deg
peri 212.502559813595 3.8128e-05 deg
M 68.05669628260429 2.7082e-05 deg
tp 2458687.828151674882
(2019-Jul-23.32815167)
0.00012367 TDB
period 1653.942544163932
4.53
1.9292e-05
5.282e-08
d
yr
n .2176617327308549 2.5389e-09 deg/d
Q 3.09131989714639 2.4039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:30  

Additional Information
 Earth MOID = 1.41093 au 
 Jupiter MOID = 2.11922 au 
 T_jup = 3.295 
[ 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 15.6   n/a MPO325992  
diameter diameter 3.865 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226804 (2004 RB213)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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