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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956467775559773 6.52e-08  
a 2.249840516301819 2.1506e-08 au
q 1.809666469272492 1.565e-07 au
i 5.642593011700331 7.353e-06 deg
node 177.6240795990516 6.762e-05 deg
peri 90.07028289288893 7.0893e-05 deg
M 298.7747723881019 1.8606e-05 deg
tp 2459210.130241528850
(2020-Dec-26.63024153)
6.4277e-05 TDB
period 1232.610966001871
3.37
1.7673e-05
4.839e-08
d
yr
n .2920629541109027 4.1876e-09 deg/d
Q 2.690014563331146 2.5713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      9253 days (25.33 yr)  
   first obs. used      1994-10-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56234  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:07  

Additional Information
 Earth MOID = .804794 au 
 Jupiter MOID = 2.41739 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 18.1   n/a MPO471638  

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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