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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227388570436752 4.9561e-08  
a 2.333983526706807 1.4939e-08 au
q 2.047513056280048 1.1912e-07 au
i 6.369817321485667 6.1776e-06 deg
node 186.8752918199785 4.6854e-05 deg
peri 109.8536590163391 5.5258e-05 deg
M 36.48669865766222 3.4509e-05 deg
tp 2457468.499013870895
(2016-Mar-20.99901387)
0.00012407 JED
period 1302.402156258069
3.57
1.2505e-05
3.424e-08
d
yr
n .276412318783559 2.6539e-09 deg/d
Q 2.620453997133567 1.6773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      11754 days (32.18 yr)  
   first obs. used      1983-05-13  
   last obs. used      2015-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54394  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:38:56  

Additional Information
 Earth MOID = 1.04222 au 
 Jupiter MOID = 2.56055 au 
 T_jup = 3.551 
[ 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
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 2016-Apr-29 13:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin