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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604556420451075 6.8545e-08  
a 2.622307669751194 2.5254e-08 AU
q 2.201543608961456 1.7812e-07 AU
i 12.23475591158935 7.3961e-06 deg
node 184.8666696859122 3.2465e-05 deg
peri 246.0591823416535 3.9276e-05 deg
M 236.3692117815115 2.3847e-05 deg
tp 2457533.157482339592
(2016-May-24.65748234)
0.00010542 JED
period 1551.043202146118
4.25
2.2406e-05
6.134e-08
d
yr
n .2321018521611016 3.3528e-09 deg/d
Q 3.043071730540932 2.9306e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1990-11-20  
   last obs. used      2014-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58968  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:07:48  

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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