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JPL Small-Body Database Browser
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226740 (2004 RR4)
Classification: Main-belt Asteroid          SPK-ID: 2226740
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04272425394064695 5.2586e-08  
a 2.71237861601058 2.7449e-08 au
q 2.596494263236963 1.4972e-07 au
i 7.354284358407178 5.7427e-06 deg
node 90.54363994651543 3.9633e-05 deg
peri 327.786752950195 7.4525e-05 deg
M 36.27365344575362 6.2756e-05 deg
tp 2458436.095881344166
(2018-Nov-13.59588134)
0.00028424 TDB
period 1631.638313042019
4.47
2.4768e-05
6.781e-08
d
yr
n .2206371333171367 3.3493e-09 deg/d
Q 2.828262968784196 2.8622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6179 days (16.92 yr)  
   first obs. used      2002-03-11  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:26:46  

Additional Information
 Earth MOID = 1.61237 au 
 Jupiter MOID = 2.33691 au 
 T_jup = 3.349 
[ 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 16.0   n/a MPO433485  

226740 (2004 RR4)          Discovered 2004-Sep-04 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RR4 = 2006 AQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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