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 ]  
9338 (1991 FL4)
Classification: Main-belt Asteroid          SPK-ID: 2009338
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .198831443131302 4.8863e-08  
a 3.118977294419123 2.9001e-08 au
q 2.498826537876005 1.4927e-07 au
i 13.74466738295223 7.5018e-06 deg
node 182.0556330635093 2.3671e-05 deg
peri 104.6477112503754 3.086e-05 deg
M 138.8208162330301 2.1694e-05 deg
tp 2456824.665943938851
(2014-Jun-16.16594394)
0.00011735 JED
period 2011.947975533937
5.51
2.8061e-05
7.683e-08
d
yr
n .1789310679887048 2.4956e-09 deg/d
Q 3.739128050962241 3.4767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      10371 days (28.39 yr)  
   first obs. used      1987-09-21  
   last obs. used      2016-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49539  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:34:09  

Additional Information
 Earth MOID = 1.52664 au 
 Jupiter MOID = 1.7343 au 
 T_jup = 3.142 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO347599  

9338 (1991 FL4)          Discovered 1991-Mar-25 by Debehogne, H. at La Silla
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 FL4 = 1987 SG6 = 1992 PY4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Apr-30 11:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin