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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04785861422077649 8.3794e-08  
a 3.231529090248058 4.1261e-08 AU
q 3.076872586174659 2.6613e-07 AU
i 17.81416520608203 9.9363e-06 deg
node 337.6162567125323 1.9677e-05 deg
peri 207.6937360262114 8.4477e-05 deg
M 32.18421700709289 8.0362e-05 deg
tp 2456810.807142520475
(2014-Jun-02.30714252)
0.00047466 JED
period 2121.829736531394
5.81
4.0638e-05
1.113e-07
d
yr
n .1696648858303309 3.2495e-09 deg/d
Q 3.386185594321456 4.3236e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      712  
   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      .53776  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:13:56  

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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