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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986157572980339 5.9425e-08  
a 3.120585217404271 3.6402e-08 AU
q 2.500787821236472 1.9235e-07 AU
i 13.7426167526659 9.0732e-06 deg
node 182.0531360677823 2.6891e-05 deg
peri 104.7972015061281 3.5622e-05 deg
M 31.37227613483812 2.4582e-05 deg
tp 2456825.032767911963
(2014-Jun-16.53276791)
0.00013642 JED
period 2013.504002074832
5.51
3.5232e-05
9.646e-08
d
yr
n .1787927908904254 3.1285e-09 deg/d
Q 3.740382613572069 4.3632e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1987-09-21  
   last obs. used      2014-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51152  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:09:30  

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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