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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658635625373929 6.2151e-08  
a 2.694404407701782 2.6652e-08 au
q 2.24750089372391 1.7514e-07 au
i 13.44348705463935 7.423e-06 deg
node 13.16563310648569 2.5001e-05 deg
peri 293.581736322622 3.1785e-05 deg
M 144.2702535184601 2.1218e-05 deg
tp 2457953.108651333628
(2017-Jul-18.60865133)
9.3625e-05 TDB
period 1615.446565289863
4.42
2.3969e-05
6.562e-08
d
yr
n .2228485966265337 3.3066e-09 deg/d
Q 3.141307921679653 3.1073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2000-11-19  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:49:02  

Additional Information
 Earth MOID = 1.27216 au 
 Jupiter MOID = 2.30074 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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