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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08915366424685169 5.4844e-08  
a 2.338609369067891 1.7387e-08 AU
q 2.130113774573471 1.3117e-07 AU
i 7.251275611936339 7.2399e-06 deg
node 56.28225708092006 5.2648e-05 deg
peri 32.93188282131868 7.203e-05 deg
M 33.28680591151168 5.3088e-05 deg
tp 2456879.717343379614
(2014-Aug-10.21734338)
0.00019209 JED
period 1306.276021163736
3.58
1.4568e-05
3.989e-08
d
yr
n .2755925961798509 3.0735e-09 deg/d
Q 2.547104963562312 1.8937e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      781  
   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      .54393  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:33:35  

Additional Information
 Earth MOID = 1.14978 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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