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11502 (1989 WU2)
Classification: Main-belt Asteroid          SPK-ID: 2011502
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189761383523879 5.6053e-08  
a 3.095242110518065 3.0309e-08 au
q 2.507884685284786 1.8583e-07 au
i 3.007629807170934 5.5891e-06 deg
node 83.89919375783273 0.00011983 deg
peri 318.5497122870291 0.00012123 deg
M 342.2547496844836 2.2651e-05 deg
tp 2457698.543768074047
(2016-Nov-06.04376807)
0.00012618 JED
period 1989.025563409183
5.45
2.9215e-05
7.999e-08
d
yr
n .1809931489180869 2.6585e-09 deg/d
Q 3.682599535751344 3.6061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      13473 days (36.89 yr)  
   first obs. used      1978-12-03  
   last obs. used      2015-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4926  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:09:01  

Additional Information
 Earth MOID = 1.5161 au 
 Jupiter MOID = 1.7287 au 
 T_jup = 3.194 
[ 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 13.1 mag n/a MPO309242  

11502 (1989 WU2)          Discovered 1989-Nov-21 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 WU2 = 1978 XV = 1983 RO4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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