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 ]  
5356 (1991 FF1)
Classification: Main-belt Asteroid          SPK-ID: 2005356
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555055599882135 7.1855e-08  
a 2.608316050403281 2.5641e-08 AU
q 2.202708402359074 1.8358e-07 AU
i 14.30848121995266 7.5098e-06 deg
node 172.8960427514573 2.9445e-05 deg
peri 266.932543579136 3.7798e-05 deg
M 276.9786791125961 2.5983e-05 deg
tp 2457155.334538148762
(2015-May-12.83453815)
0.00011308 JED
period 1538.646125695832
4.21
2.2689e-05
6.212e-08
d
yr
n .2339719276498323 3.4501e-09 deg/d
Q 3.013923698447489 2.9628e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      13463 days (36.86 yr)  
   first obs. used      1976-09-25  
   last obs. used      2013-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53923  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 18:46:34  

Additional Information
 Earth MOID = 1.27113 AU 
 T_jup = 3.350 
[ 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 MPO267729  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-19 22:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin