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 ]  
11472 (1981 SE9)
Classification: Main-belt Asteroid          SPK-ID: 2011472
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412298165524173 5.589e-08  
a 2.357204632667702 1.3195e-08 AU
q 1.788576591552764 1.3355e-07 AU
i 3.264564812431264 5.6307e-06 deg
node 114.1608341786581 0.00011311 deg
peri 214.1704874062607 0.00011372 deg
M 82.17770720916747 1.621e-05 deg
tp 2456698.750975249148
(2014-Feb-10.25097525)
5.8112e-05 JED
period 1321.887073751168
3.62
1.11e-05
3.039e-08
d
yr
n .2723379380497417 2.2867e-09 deg/d
Q 2.92583267378264 1.6378e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      11674 days (31.96 yr)  
   first obs. used      1981-09-03  
   last obs. used      2013-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58224  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:06:23  

Additional Information
 Earth MOID = .779018 AU 
 T_jup = 3.512 
[ 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 14.6 mag n/a PDS3 (MPC 35825)  

11472 (1981 SE9)          Discovered 1981-Sep-24 by Perth Observatory at Bickley (323)
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 SE9 = 1981 RG = 1992 UX1 = 1998 FP120 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-03 02:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin