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213654 (2002 RL209)
Classification: Main-belt Asteroid          SPK-ID: 2213654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297702117935308 4.4957e-08  
a 2.750147655579263 1.7135e-08 au
q 2.39326041185126 1.2515e-07 au
i 8.910164199416934 6.5121e-06 deg
node 180.8667632545101 2.5965e-05 deg
peri 253.3201608548712 3.681e-05 deg
M 302.299703451464 2.7925e-05 deg
tp 2459467.497988147333
(2021-Sep-09.99798815)
0.00013005 TDB
period 1665.836771777886
4.56
1.5569e-05
4.263e-08
d
yr
n .2161076079595633 2.0197e-09 deg/d
Q 3.107034899307267 1.9359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      9873 days (27.03 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:33  

Additional Information
 Earth MOID = 1.42545 au 
 Jupiter MOID = 2.21684 au 
 T_jup = 3.316 
[ 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 16.61   n/a E2021B55  

213654 (2002 RL209)          Discovered 2002-Sep-14 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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