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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902688515938327 7.4951e-08  
a 3.094129217215451 3.1576e-08 AU
q 2.505412804372943 2.3539e-07 AU
i 3.0083507483506 6.4749e-06 deg
node 83.90636148568252 0.00017686 deg
peri 318.6420800153485 0.00017856 deg
M 197.3770931831781 2.4326e-05 deg
tp 2457698.518566736010
(2016-Nov-06.01856674)
0.0001418 JED
period 1987.952929590129
5.44
3.0431e-05
8.332e-08
d
yr
n .1810908068503533 2.7721e-09 deg/d
Q 3.68284563005796 3.7584e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      12833 days (35.13 yr)  
   first obs. used      1978-12-03  
   last obs. used      2014-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52433  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:15:39  

Additional Information
 Earth MOID = 1.51394 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 13.0 mag n/a MPO259425  

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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