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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121425136255166 6.2321e-08  
a 2.372140847793938 1.5568e-08 AU
q 2.084103322134114 1.4799e-07 AU
i 5.75318406190364 6.193e-06 deg
node 312.8677659837597 5.7663e-05 deg
peri 84.42462708630613 6.4723e-05 deg
M 113.1317137369444 2.7619e-05 deg
tp 2456581.136140908280
(2013-Oct-15.63614091)
0.00010191 JED
period 1334.470983300574
3.65
1.3137e-05
3.597e-08
d
yr
n .2697698222778923 2.6557e-09 deg/d
Q 2.660178373453761 1.7459e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      9506 days (26.03 yr)  
   first obs. used      1989-01-10  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58047  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:36:39  

Additional Information
 Earth MOID = 1.10019 AU 
 T_jup = 3.527 
[ 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 (399)
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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