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11971 (1994 UJ2)
Classification: Main-belt Asteroid          SPK-ID: 2011971
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151913719271377 6.5474e-08  
a 2.978519975326267 2.3352e-08 au
q 2.526041927950364 1.9637e-07 au
i 14.00331773854681 6.7563e-06 deg
node 55.67576695064292 2.9747e-05 deg
peri 326.4037869432931 3.7861e-05 deg
M 102.4765790846106 2.3078e-05 deg
tp 2457066.032476455606
(2015-Feb-12.53247646)
0.00011929 JED
period 1877.58325067739
5.14
2.2081e-05
6.045e-08
d
yr
n .1917358390740437 2.2549e-09 deg/d
Q 3.43099802270217 2.69e-08 au
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      17306 days (47.38 yr)  
   first obs. used      1968-10-15  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50471  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:12:15  

Additional Information
 Earth MOID = 1.54197 au 
 Jupiter MOID = 2.03613 au 
 T_jup = 3.198 
[ 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 12.6 mag n/a MPO313516  

11971 (1994 UJ2)          Discovered 1994-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UJ2 = 1968 TF = 1979 YU9 = 1989 UR6 = 1989 YL8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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