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23522 (1992 WC9)
Classification: Main-belt Asteroid          SPK-ID: 2023522
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08880944859755056 5.6963e-08  
a 2.337800924607318 1.7771e-08 AU
q 2.130182113562098 1.3582e-07 AU
i 7.252798018195002 7.6059e-06 deg
node 56.29546753665933 5.531e-05 deg
peri 32.97605014640121 7.5442e-05 deg
M 338.1106301896594 5.4803e-05 deg
tp 2456879.885370077390
(2014-Aug-10.38537008)
0.00019913 JED
period 1305.598720999258
3.57
1.4887e-05
4.076e-08
d
yr
n .2757355642355939 3.144e-09 deg/d
Q 2.545419735652538 1.9349e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1992-11-16  
   last obs. used      2014-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54698  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:36:07  

Additional Information
 Earth MOID = 1.14946 AU 
 T_jup = 3.550 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO270291  

23522 (1992 WC9)          Discovered 1992-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 WC9 = 1997 BK7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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