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13075 (1991 UN1)
Classification: Main-belt Asteroid          SPK-ID: 2013075
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217294533090714 6.2245e-08  
a 2.371340925773242 1.4483e-08 au
q 2.082678891269438 1.4806e-07 au
i 5.752870741444746 5.607e-06 deg
node 312.8613817115166 5.5367e-05 deg
peri 84.28533234564047 6.053e-05 deg
M 221.2387023356114 2.5209e-05 deg
tp 2457914.609079275518
(2017-Jun-10.10907928)
9.5302e-05 JED
period 1333.796034300745
3.65
1.222e-05
3.346e-08
d
yr
n .2699063355580701 2.4727e-09 deg/d
Q 2.660002960277045 1.6246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      9612 days (26.32 yr)  
   first obs. used      1989-01-10  
   last obs. used      2015-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:16:42  

Additional Information
 Earth MOID = 1.09759 au 
 Jupiter MOID = 2.74186 au 
 T_jup = 3.528 
[ 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 14.3 mag n/a MPO272702  

13075 (1991 UN1)          Discovered 1991-Oct-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UN1 = 1989 AV7 = 1998 QR20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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