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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08915366590351188 4.8902e-08  
a 2.338609367884811 1.5123e-08 AU
q 2.130113769621585 1.1343e-07 AU
i 7.251271028228881 6.4434e-06 deg
node 56.28227243617283 5.0974e-05 deg
peri 32.93186263051936 6.7296e-05 deg
M 33.28681153729607 4.5529e-05 deg
tp 2456879.717323057859
(2014-Aug-10.21732306)
0.00016497 JED
period 1306.276020172487
3.58
1.2671e-05
3.469e-08
d
yr
n .2755925963889805 2.6733e-09 deg/d
Q 2.547104966148036 1.6472e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      8097 days (22.17 yr)  
   first obs. used      1992-11-16  
   last obs. used      2015-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54647  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:05:05  

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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