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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344251365536142 6.8496e-08  
a 1.993180413195194 7.5522e-09 au
q 1.725246863975441 1.3716e-07 au
i 17.32221658026928 8.4195e-06 deg
node 336.9831040610677 1.2725e-05 deg
peri 322.3019301899268 2.4539e-05 deg
M 280.3808131913431 2.1314e-05 deg
tp 2459623.817870958354
(2022-Feb-13.31787096)
6.122e-05 TDB
period 1027.823026397822
2.81
5.8416e-06
1.599e-08
d
yr
n .3502548500607933 1.9907e-09 deg/d
Q 2.261113962414948 8.5674e-09 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6813 days (18.65 yr)  
   first obs. used      2002-08-19  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:23:52  

Additional Information
 Earth MOID = .733731 au 
 Jupiter MOID = 3.05939 au 
 T_jup = 3.782 
[ 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 18.16   n/a MPCxxxxx  

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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