Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216982630145491 6.2276e-08  
a 2.371629142288823 1.4466e-08 au
q 2.083005995157589 1.4818e-07 au
i 5.752673546490039 5.6069e-06 deg
node 312.8627474077571 5.5367e-05 deg
peri 84.22427232066865 6.0526e-05 deg
M 275.2790544004286 2.5399e-05 deg
tp 2457914.447397972976
(2017-Jun-09.94739797)
9.5307e-05 JED
period 1334.039209199324
3.65
1.2205e-05
3.342e-08
d
yr
n .2698571357704456 2.469e-09 deg/d
Q 2.660252289420058 1.6226e-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 = 1.09787 au 
 Jupiter MOID = 2.74036 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
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 07:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin