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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04797133901009995 8.3479e-08  
a 3.232751800511688 4.1216e-08 au
q 3.077672367953831 2.651e-07 au
i 17.81419204728596 9.9231e-06 deg
node 337.6116120368946 1.9622e-05 deg
peri 208.1294463072428 8.4436e-05 deg
M 99.60227552309613 7.9936e-05 deg
tp 2456813.113812253079
(2014-Jun-04.61381225)
0.00047452 JED
period 2123.034102166248
5.81
4.0601e-05
1.112e-07
d
yr
n .1695686374668557 3.2429e-09 deg/d
Q 3.387831233069546 4.3193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      10140 days (27.76 yr)  
   first obs. used      1987-10-18  
   last obs. used      2015-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53375  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:34:14  

Additional Information
 Earth MOID = 2.09164 au 
 Jupiter MOID = 1.62836 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
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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