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JPL Small-Body Database Browser
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226803 (2004 RH211)
Classification: Main-belt Asteroid          SPK-ID: 2226803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2734573239573091 7.1576e-08  
a 2.697427821924252 2.3427e-08 au
q 1.959796428172853 1.9713e-07 au
i 11.63784029518054 9.3047e-06 deg
node 236.5019097335629 4.6454e-05 deg
peri 77.61244688846763 4.9403e-05 deg
M 132.6330572332781 1.9183e-05 deg
tp 2458004.326791419248
(2017-Sep-07.82679142)
8.3848e-05 TDB
period 1618.166387521236
4.43
2.108e-05
5.771e-08
d
yr
n .2224740315805599 2.8982e-09 deg/d
Q 3.435059215675651 2.9833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      9893 days (27.09 yr)  
   first obs. used      1991-11-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:10:43  

Additional Information
 Earth MOID = .984544 au 
 Jupiter MOID = 2.01579 au 
 T_jup = 3.286 
[ 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 15.9   n/a MPO422879  

226803 (2004 RH211)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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