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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986157568825813 5.9476e-08  
a 3.120585218289941 3.679e-08 AU
q 2.500787823242689 1.9272e-07 AU
i 13.74261846893812 9.1275e-06 deg
node 182.0531393853304 2.6945e-05 deg
peri 104.7971988008648 3.5797e-05 deg
M 31.37227538648619 2.4998e-05 deg
tp 2456825.032772022845
(2014-Jun-16.53277202)
0.00013868 JED
period 2013.504002932027
5.51
3.5607e-05
9.749e-08
d
yr
n .1787927908143092 3.1618e-09 deg/d
Q 3.740382613337193 4.4097e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      9803 days (26.84 yr)  
   first obs. used      1987-09-21  
   last obs. used      2014-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51285  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:54:53  

Additional Information
 Earth MOID = 1.52994 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 12.3 mag n/a MPO266008  

9338 (1991 FL4)          Discovered 1991-Mar-25 by Debehogne, H. at La Silla (809)
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 ]
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