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43797 (1991 AF2)
Classification: Main-belt Asteroid          SPK-ID: 2043797
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604556073019812 6.7623e-08  
a 2.62230765564366 2.4671e-08 AU
q 2.201543688224722 1.7636e-07 AU
i 12.2347573746062 6.9143e-06 deg
node 184.8666730829505 3.232e-05 deg
peri 246.0591868521575 3.8524e-05 deg
M 236.3692094812146 2.3374e-05 deg
tp 2457533.157487951914
(2016-May-24.65748795)
0.00010369 JED
period 1551.043189629626
4.25
2.1889e-05
5.993e-08
d
yr
n .2321018540340997 3.2755e-09 deg/d
Q 3.043071623062597 2.863e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      8933 days (24.46 yr)  
   first obs. used      1990-11-20  
   last obs. used      2015-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59438  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:32:25  

Additional Information
 Earth MOID = 1.2461 AU 
 T_jup = 3.354 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO266162  

43797 (1991 AF2)          Discovered 1991-Jan-07 by McNaught, R. H. at Siding Spring
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 AF2 = 1998 QW51 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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