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11890 (1991 FF)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011890
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04785861391440859 8.3797e-08  
a 3.231529090570429 4.127e-08 AU
q 3.076872587471639 2.6615e-07 AU
i 17.8141652106122 9.9363e-06 deg
node 337.6162566319096 1.969e-05 deg
peri 207.6937369641311 8.4507e-05 deg
M 32.18421603619401 8.0396e-05 deg
tp 2456810.807148214540
(2014-Jun-02.30714821)
0.00047486 JED
period 2121.829736848898
5.81
4.0647e-05
1.113e-07
d
yr
n .1696648858049427 3.2502e-09 deg/d
Q 3.386185593669219 4.3245e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      9723 days (26.62 yr)  
   first obs. used      1987-10-18  
   last obs. used      2014-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54209  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:19:28  

Additional Information
 Earth MOID = 2.09156 AU 
 T_jup = 3.109 
[ 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 13.0 mag n/a MPO302139  

11890 (1991 FF)          Discovered 1991-Mar-18 by McNaught, R. H. at Siding Spring (413)
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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