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226141 (2002 RG138)
Classification: Main-belt Asteroid          SPK-ID: 2226141
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723863539501014 5.6001e-08  
a 2.315391566867092 1.336e-08 au
q 1.684710500001352 1.3242e-07 au
i 8.323250160658699 5.9874e-06 deg
node 51.98310766117207 4.0883e-05 deg
peri 328.9398005645204 4.3154e-05 deg
M 350.5188244957491 1.9181e-05 deg
tp 2459034.391811529078
(2020-Jul-03.89181153)
6.8794e-05 TDB
period 1286.871247663095
3.52
1.1138e-05
3.049e-08
d
yr
n .2797482659230635 2.4212e-09 deg/d
Q 2.946072633732832 1.6999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6170 days (16.89 yr)  
   first obs. used      2002-08-13  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:50:56  

Additional Information
 Earth MOID = .694683 au 
 Jupiter MOID = 2.51881 au 
 T_jup = 3.517 
[ 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 16.8   n/a MPO437072  

226141 (2002 RG138)          Discovered 2002-Sep-10 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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