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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08915366347024448 5.2143e-08  
a 2.338609368979415 1.6291e-08 AU
q 2.130113776309064 1.2311e-07 AU
i 7.25127533254236 6.9107e-06 deg
node 56.28225843046668 5.164e-05 deg
peri 32.93188027802542 6.9349e-05 deg
M 33.28680711589747 4.9078e-05 deg
tp 2456879.717339016301
(2014-Aug-10.21733902)
0.00017769 JED
period 1306.276021089606
3.58
1.365e-05
3.737e-08
d
yr
n .2755925961954905 2.8798e-09 deg/d
Q 2.547104961649767 1.7744e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      8079 days (22.12 yr)  
   first obs. used      1992-11-16  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54889  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:57:28  

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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