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 ]  
9343 (1991 PO11)
Classification: Main-belt Asteroid          SPK-ID: 2009343
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222538015247997 5.8251e-08  
a 2.335069260651419 1.7465e-08 AU
q 2.049598166713079 1.3524e-07 AU
i 6.364020294500477 6.3921e-06 deg
node 186.9316812224658 5.9169e-05 deg
peri 109.3987489909859 6.5646e-05 deg
M 175.8134297335599 3.2731e-05 deg
tp 2456164.001151436911
(2012-Aug-24.50115144)
0.00011492 JED
period 1303.311048706383
3.57
1.4622e-05
4.003e-08
d
yr
n .2762195566110808 3.0989e-09 deg/d
Q 2.620540354589758 1.96e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      10765 days (29.47 yr)  
   first obs. used      1984-09-27  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56925  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:56:25  

Additional Information
 Earth MOID = 1.04389 AU 
 T_jup = 3.550 
[ 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 13.8 mag n/a MPO234894  

9343 (1991 PO11)          Discovered 1991-Aug-09 by Holt, H. E. at Palomar (675)
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PO11 = 1984 SB4 = 1997 HJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 03:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin