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JPL Small-Body Database Browser
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351273 (2004 RQ238)
Classification: Main-belt Asteroid          SPK-ID: 2351273
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955541680037599 6.5721e-08  
a 2.250360568606799 2.2241e-08 au
q 1.810293179904429 1.5713e-07 au
i 5.641817586685704 7.4599e-06 deg
node 177.6338786887472 7.0902e-05 deg
peri 89.98240265657861 7.4439e-05 deg
M 182.0608314347799 1.8667e-05 deg
tp 2459209.960617244416
(2020-Dec-26.46061724)
6.4861e-05 TDB
period 1233.038369107422
3.38
1.8279e-05
5.005e-08
d
yr
n .2919617175097305 4.3282e-09 deg/d
Q 2.690427957309169 2.659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1994-10-02  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:53:37  

Additional Information
 Earth MOID = .804993 au 
 Jupiter MOID = 2.41617 au 
 T_jup = 3.596 
[ 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 18.3   n/a MPO411249  

351273 (2004 RQ238)          Discovered 2004-Aug-15 by CINEOS at Campo Imperatore
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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