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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214251338064058 6.2347e-08  
a 2.372140848277258 1.5899e-08 AU
q 2.084103328367551 1.481e-07 AU
i 5.753183549209977 6.2657e-06 deg
node 312.8677747051925 5.8928e-05 deg
peri 84.42461829228419 6.6411e-05 deg
M 113.1317136891603 2.8336e-05 deg
tp 2456581.136140957242
(2013-Oct-15.63614096)
0.00010477 JED
period 1334.470983708419
3.65
1.3416e-05
3.673e-08
d
yr
n .2697698221954444 2.7122e-09 deg/d
Q 2.660178368186965 1.783e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      9219 days (25.24 yr)  
   first obs. used      1989-01-10  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56707  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:33:00  

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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