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13973 (1991 UZ3)
Classification: Main-belt Asteroid          SPK-ID: 2013973
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171237379430826 5.5454e-08  
a 2.384761239812132 1.4191e-08 au
q 1.976400974538494 1.3412e-07 au
i 1.775340391896895 5.7633e-06 deg
node 130.684715475826 0.0002205 deg
peri 291.0854794141256 0.00022151 deg
M 242.9595571218684 2.106e-05 deg
tp 2458037.819899010498
(2017-Oct-11.31989901)
8.0334e-05 JED
period 1345.134722428456
3.68
1.2007e-05
3.287e-08
d
yr
n .2676311851872126 2.3889e-09 deg/d
Q 2.793121505085768 1.6621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      8575 days (23.48 yr)  
   first obs. used      1991-10-31  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58278  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:19:17  

Additional Information
 Earth MOID = .988538 au 
 Jupiter MOID = 2.52724 au 
 T_jup = 3.515 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO337376  

13973 (1991 UZ3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UZ3 = 1998 QD25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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