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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09716069160143138 5.7353e-08  
a 2.294332299324985 1.1004e-08 au
q 2.071413386359067 1.3551e-07 au
i 4.561802082822168 5.0315e-06 deg
node 84.2560256539566 6.8183e-05 deg
peri 304.9106313496579 7.2712e-05 deg
M 3.170749145602322 2.5296e-05 deg
tp 2457389.319987506681
(2016-Jan-01.81998751)
8.918e-05 JED
period 1269.354437318699
3.48
9.1318e-06
2.5e-08
d
yr
n .2836087300883749 2.0403e-09 deg/d
Q 2.517251212290903 1.2073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      8812 days (24.13 yr)  
   first obs. used      1991-10-31  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52487  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:26:01  

Additional Information
 Earth MOID = 1.07914 au 
 Jupiter MOID = 2.85723 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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