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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900699837441037 6.4767e-08  
a 3.094637832714226 3.211e-08 AU
q 2.506440070156345 2.0697e-07 AU
i 3.008118677372223 5.8468e-06 deg
node 83.90764659294732 0.00014474 deg
peri 318.6269182004966 0.00014588 deg
M 233.5972254392286 2.1578e-05 deg
tp 2457698.679799009314
(2016-Nov-06.17979901)
0.00012647 JED
period 1988.443121733159
5.44
3.0948e-05
8.473e-08
d
yr
n .1810461642404025 2.8178e-09 deg/d
Q 3.682835595272107 3.8213e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      12991 days (35.57 yr)  
   first obs. used      1978-12-03  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50071  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:15:03  

Additional Information
 Earth MOID = 1.51587 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 (399)
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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