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226741 (2004 RH13)
Classification: Main-belt Asteroid          SPK-ID: 2226741
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 .1661811407353624 6.2169e-08  
a 2.69362397514172 2.5312e-08 au
q 2.245994470240547 1.7487e-07 au
i 13.44550883791458 7.1258e-06 deg
node 13.15021137438739 2.4528e-05 deg
peri 293.6578677731337 3.0672e-05 deg
M 233.3503385953933 2.1278e-05 deg
tp 2459568.574653878536
(2021-Dec-20.07465388)
9.8443e-05 TDB
period 1614.744746477738
4.42
2.276e-05
6.231e-08
d
yr
n .2229454536299141 3.1425e-09 deg/d
Q 3.141253480042892 2.9518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7064 days (19.34 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:31:00  

Additional Information
 Earth MOID = 1.27141 au 
 Jupiter MOID = 2.30305 au 
 T_jup = 3.312 
[ 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 15.8   n/a MPO418210  

226741 (2004 RH13)          Discovered 2004-Sep-04 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 RH13 = 2000 WM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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