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242493 (2004 WO12)
Classification: Main-belt Asteroid          SPK-ID: 2242493
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146523632460292 9.6543e-08  
a 3.066796792740834 1.2938e-07 AU
q 2.408501613583672 3.1621e-07 AU
i 16.33147249796225 2.2395e-05 deg
node 218.5946974265447 3.8568e-05 deg
peri 267.0124150054302 7.871e-05 deg
M 237.2864221983392 7.9838e-05 deg
tp 2457469.176476222266
(2016-Mar-21.67647622)
0.00046856 JED
period 1961.669896293722
5.37
0.00012413
3.398e-07
d
yr
n .1835171150254003 1.1613e-08 deg/d
Q 3.725091971897997 1.5715e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4563 days (12.49 yr)  
   first obs. used      1999-12-16  
   last obs. used      2012-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59011  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 03:18:42  

Additional Information
 Earth MOID = 1.48936 AU 
 T_jup = 3.136 
[ 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 14.9 mag n/a MPO234234  

242493 (2004 WO12)          Discovered 2004-Nov-22 by McNaught, R. H. at Siding Spring (413)
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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