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JPL Small-Body Database Browser
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13075 (1991 UN1)
Classification: Main-belt Asteroid          SPK-ID: 2013075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202576724100394 4.3676e-08  
a 2.372358335228149 1.0012e-08 au
q 2.087064043711055 1.0367e-07 au
i 5.756144574123564 4.0569e-06 deg
node 312.7864332351809 4.193e-05 deg
peri 84.31048926755676 4.5733e-05 deg
M 292.9147371617165 2.0959e-05 deg
tp 2459249.210135381919
(2021-Feb-03.71013538)
7.8539e-05 TDB
period 1334.654512024891
3.65
8.4487e-06
2.313e-08
d
yr
n .2697327261523438 1.7075e-09 deg/d
Q 2.657652626745242 1.1216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1648  
   data-arc span      11131 days (30.48 yr)  
   first obs. used      1989-01-10  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49845  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:32:26  

Additional Information
 Earth MOID = 1.10337 au 
 Jupiter MOID = 2.73457 au 
 T_jup = 3.527 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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