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226812 (2004 RN226)
Classification: Main-belt Asteroid          SPK-ID: 2226812
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05545544134660297 5.4041e-08  
a 3.114766700167269 3.7884e-08 au
q 2.942035938117791 1.78e-07 au
i 1.739680135481845 5.8213e-06 deg
node 250.2301149421681 0.00022607 deg
peri 172.5393961623726 0.00023761 deg
M 262.5528604149478 7.2706e-05 deg
tp 2459544.004702732025
(2021-Nov-25.50470273)
0.00040784 TDB
period 2007.875180499831
5.50
3.6631e-05
1.003e-07
d
yr
n .1792940136400228 3.271e-09 deg/d
Q 3.287497462216748 3.9984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      21856 days (59.84 yr)  
   first obs. used      1960-09-25  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:02:30  

Additional Information
 Earth MOID = 1.955 au 
 Jupiter MOID = 1.90943 au 
 T_jup = 3.215 
[ 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 15.7   n/a MPO440184  

226812 (2004 RN226)          Discovered 2004-Sep-09 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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