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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08915367549812978 4.645e-08  
a 2.338609364605597 1.4244e-08 AU
q 2.130113744196662 1.06e-07 AU
i 7.251270609890282 5.886e-06 deg
node 56.28227495001293 5.0689e-05 deg
peri 32.93185235467467 6.6029e-05 deg
M 33.28682149167502 4.3037e-05 deg
tp 2456879.717287191996
(2014-Aug-10.21728719)
0.00015605 JED
period 1306.276017424983
3.58
1.1935e-05
3.268e-08
d
yr
n .2755925969686372 2.5179e-09 deg/d
Q 2.547104985014531 1.5514e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8168 days (22.36 yr)  
   first obs. used      1992-11-16  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52929  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:15:00  

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
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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