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5356 (1991 FF1)
Classification: Main-belt Asteroid          SPK-ID: 2005356
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 .1554583589928546 5.3431e-08  
a 2.607881748454598 1.9117e-08 AU
q 2.20246473139243 1.4346e-07 AU
i 14.30945946949491 6.7742e-06 deg
node 172.8966255910593 2.2827e-05 deg
peri 266.986914002036 3.0886e-05 deg
M 323.7246819724947 2.1437e-05 deg
tp 2457155.502604999726
(2015-May-13.00260500)
9.2043e-05 JED
period 1538.261849492011
4.21
1.6915e-05
4.631e-08
d
yr
n .2340303766350864 2.5734e-09 deg/d
Q 3.013298765516767 2.2089e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      13912 days (38.09 yr)  
   first obs. used      1976-09-25  
   last obs. used      2014-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51354  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:58:47  

Additional Information
 Earth MOID = 1.27134 AU 
 T_jup = 3.351 
[ 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 MPO302096  

5356 (1991 FF1)          Discovered 1991-Mar-21 by Endate and Watanabe at Kitami (400)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 FF1 = 1976 SM7 = 1978 EW7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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