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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08918850176613434 4.5347e-08  
a 2.337777947066424 1.3926e-08 au
q 2.12927503450566 1.0266e-07 au
i 7.252096845656565 5.7146e-06 deg
node 56.25343923436596 5.0426e-05 deg
peri 32.58283718059977 6.5713e-05 deg
M 199.081818365849 4.2809e-05 deg
tp 2458184.087429723097
(2018-Mar-06.58742972)
0.00015604 JED
period 1305.579472541889
3.57
1.1666e-05
3.194e-08
d
yr
n .2757396294682088 2.4638e-09 deg/d
Q 2.546280859627188 1.5168e-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 = 1.14751 au 
 Jupiter MOID = 2.62242 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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