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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520471122618035 7.4568e-08  
a 2.977689758017239 2.5282e-08 au
q 2.52494062909917 2.2722e-07 au
i 14.00416332769619 7.2972e-06 deg
node 55.68615169552459 3.1831e-05 deg
peri 326.2852875454198 3.9605e-05 deg
M 64.21734025570616 2.3589e-05 deg
tp 2457065.713905647428
(2015-Feb-12.21390565)
0.00012202 JED
period 1876.798283563554
5.14
2.3903e-05
6.544e-08
d
yr
n .1918160322037663 2.443e-09 deg/d
Q 3.430438886935308 2.9127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      17230 days (47.17 yr)  
   first obs. used      1968-10-15  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50124  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:19:16  

Additional Information
 Earth MOID = 1.54082 au 
 Jupiter MOID = 2.03838 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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