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JPL Small-Body Database Browser
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423213 (2004 RA138)
Classification: Main-belt Asteroid          SPK-ID: 2423213
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 .1871856679169574 8.1406e-08  
a 2.576156728142509 2.7798e-08 au
q 2.09393711032639 2.0401e-07 au
i 12.45353538519021 7.3891e-06 deg
node 251.2873125232273 3.9532e-05 deg
peri 81.61298589975125 4.8263e-05 deg
M 293.0982326860601 3.6612e-05 deg
tp 2459281.167378478251
(2021-Mar-07.66737848)
0.00015714 TDB
period 1510.27783433633
4.13
2.4445e-05
6.693e-08
d
yr
n .2383667374408609 3.8581e-09 deg/d
Q 3.058376345958628 3.3001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2000-09-22  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:00:45  

Additional Information
 Earth MOID = 1.12658 au 
 Jupiter MOID = 2.39951 au 
 T_jup = 3.370 
[ 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 16.4   n/a MPO434531  

423213 (2004 RA138)          Discovered 2004-Sep-08 by NEAT at Palomar
Reference: Last Updated: 2015-02-04

Alternate Designations
 2004 RA138 = 2000 SE241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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