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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554583612636675 5.4835e-08  
a 2.607881749105613 1.9889e-08 AU
q 2.202464726020227 1.4607e-07 AU
i 14.30946009004456 6.8184e-06 deg
node 172.8966200049767 2.367e-05 deg
peri 266.9869191583702 3.1404e-05 deg
M 323.724681903539 2.1738e-05 deg
tp 2457155.502605352411
(2015-May-13.00260535)
9.3401e-05 JED
period 1538.261850068014
4.21
1.7597e-05
4.818e-08
d
yr
n .2340303765474536 2.6772e-09 deg/d
Q 3.013298772190998 2.2981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      13887 days (38.02 yr)  
   first obs. used      1976-09-25  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5191  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:03:47  

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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