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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08927614735958023 4.5352e-08  
a 2.337617624524239 1.3971e-08 au
q 2.128924129006861 1.0267e-07 au
i 7.252376153714324 5.7148e-06 deg
node 56.25471003878938 5.0425e-05 deg
peri 32.61710331866633 6.568e-05 deg
M 143.887390521428 4.2695e-05 deg
tp 2456878.730279897275
(2014-Aug-09.23027990)
0.00015433 JED
period 1305.445171785278
3.57
1.1703e-05
3.204e-08
d
yr
n .2757679968341202 2.4723e-09 deg/d
Q 2.546311120041617 1.5219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      8267 days (22.63 yr)  
   first obs. used      1992-11-16  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53442  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:02:03  

Additional Information
 Earth MOID = 1.14827 au 
 Jupiter MOID = 2.62318 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 14.2 mag n/a MPO337457  

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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