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13972 (1991 UN3)
Classification: Main-belt Asteroid          SPK-ID: 2013972
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09705673615282462 5.7355e-08  
a 2.294072513088178 1.0924e-08 au
q 2.071417322469931 1.3545e-07 au
i 4.561966849547318 5.0195e-06 deg
node 84.25492897467643 6.8023e-05 deg
peri 304.8871272876099 7.2543e-05 deg
M 59.92464730846339 2.5221e-05 deg
tp 2457389.242505508440
(2016-Jan-01.74250551)
8.864e-05 JED
period 1269.138850754998
3.47
9.0649e-06
2.482e-08
d
yr
n .2836569062446081 2.026e-09 deg/d
Q 2.516727703706425 1.1984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      8868 days (24.28 yr)  
   first obs. used      1991-10-31  
   last obs. used      2016-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:18:37  

Additional Information
 Earth MOID = 1.07928 au 
 Jupiter MOID = 2.85637 au 
 T_jup = 3.586 
[ 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 13.9 mag n/a MPO347636  

13972 (1991 UN3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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