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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604556340222397 6.8023e-08  
a 2.622307665441447 2.4816e-08 AU
q 2.201543626381661 1.7719e-07 AU
i 12.2347568214476 6.9362e-06 deg
node 184.8666700648615 3.2443e-05 deg
peri 246.0591885060956 3.8629e-05 deg
M 236.3692073794059 2.3381e-05 deg
tp 2457533.157499992729
(2016-May-24.65749999)
0.00010374 JED
period 1551.043198322423
4.25
2.2018e-05
6.028e-08
d
yr
n .2321018527332886 3.2948e-09 deg/d
Q 3.043071704501233 2.8798e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      8669 days (23.73 yr)  
   first obs. used      1990-11-20  
   last obs. used      2014-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58442  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:45:19  

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 (413)
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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