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JPL Small-Body Database Browser
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226131 (2002 RA44)
Classification: Mars-crossing Asteroid          SPK-ID: 2226131
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2561045760271488 3.8965e-08  
a 2.23631920919996 8.2927e-09 au
q 1.663587626266435 8.7072e-08 au
i 4.823454657774041 5.1252e-06 deg
node 5.252740288102472 6.3884e-05 deg
peri 327.8162536263293 6.5203e-05 deg
M 357.2037207539142 1.3386e-05 deg
tp 2458609.988054198908
(2019-May-06.48805420)		 4.5453e-05 TDB
period 1221.515882717369
3.34		 6.7944e-06
1.86e-08		 d
yr
n .2947157749591831 1.6393e-09 deg/d
Q 2.809050792133484 1.0417e-08 au
   Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      6854 days (18.77 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:26:08  

Additional Information
 Earth MOID = .655239 au 
 Jupiter MOID = 2.56923 au 
 T_jup = 3.590 
[ 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 16.8   n/a MPO450048  

226131 (2002 RA44)          Discovered 2002-Sep-05 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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