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JPL Small-Body Database Browser
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469474 (2002 RW238)
Classification: Inner Main-belt Asteroid          SPK-ID: 2469474
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344991846905716 1.0464e-07  
a 1.993235796129004 8.1082e-09 au
q 1.72514720665359 2.0841e-07 au
i 17.32049993798453 1.0703e-05 deg
node 336.9920053981478 1.5287e-05 deg
peri 322.124125337931 2.6537e-05 deg
M 1.782615630965865 2.2076e-05 deg
tp 2458595.410306225947
(2019-Apr-21.91030623)
6.3027e-05 TDB
period 1027.865865658396
2.81
6.2718e-06
1.717e-08
d
yr
n .3502402521844649 2.1371e-09 deg/d
Q 2.261324385604417 9.1988e-09 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6276 days (17.18 yr)  
   first obs. used      2002-08-19  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 17:58:48  

Additional Information
 Earth MOID = .733641 au 
 Jupiter MOID = 3.05804 au 
 T_jup = 3.781 
[ 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 17.9   n/a MPO437769  

469474 (2002 RW238)          Discovered 2002-Sep-01 by Matson, R. at Haleakala
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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