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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2148208086507295 9.3474e-08  
a 3.065762944482746 5.6725e-08 au
q 2.407173269617521 2.9658e-07 au
i 16.33512643903747 1.5139e-05 deg
node 218.5884974355451 3.4011e-05 deg
peri 267.1365264541922 4.9185e-05 deg
M 347.3317882814846 3.2376e-05 deg
tp 2457469.495234493313
(2016-Mar-21.99523449)
0.00017665 JED
period 1960.678031713825
5.37
5.4416e-05
1.49e-07
d
yr
n .1836099523619003 5.0959e-09 deg/d
Q 3.724352619347971 6.891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5860 days (16.04 yr)  
   first obs. used      1999-12-16  
   last obs. used      2016-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62588  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 21:40:10  

Additional Information
 Earth MOID = 1.48819 au 
 Jupiter MOID = 1.80145 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 15.1 mag n/a MPO360237  

242493 (2004 WO12)          Discovered 2004-Nov-22 by McNaught, R. H. at Siding Spring
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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