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65466 (2002 XR21)
Classification: Main-belt Asteroid          SPK-ID: 2065466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597230120390223 4.2026e-08  
a 2.581241922408585 1.1242e-08 au
q 2.16895818776009 1.1002e-07 au
i 3.622385435412826 4.3943e-06 deg
node 47.77747016118088 6.1901e-05 deg
peri 107.4083451313019 6.3906e-05 deg
M 24.95505574581599 1.3329e-05 deg
tp 2458895.498008678250
(2020-Feb-15.99800868)
5.6148e-05 TDB
period 1514.751850721377
4.15
9.8954e-06
2.709e-08
d
yr
n .237662690313635 1.5526e-09 deg/d
Q 2.993525657057081 1.3037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      10750 days (29.43 yr)  
   first obs. used      1990-11-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:50:49  

Additional Information
 Earth MOID = 1.18205 au 
 Jupiter MOID = 1.99982 au 
 T_jup = 3.404 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO422119  

65466 (2002 XR21)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 XR21 = 2001 RB119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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