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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605736381425952 6.8793e-08  
a 2.622114100176896 2.5431e-08 AU
q 2.201071699486495 1.7855e-07 AU
i 12.23473543564377 7.5997e-06 deg
node 184.8751717707883 3.2469e-05 deg
peri 246.0413986337511 3.9593e-05 deg
M 189.966042025435 2.3878e-05 deg
tp 2457533.002260414924
(2016-May-24.50226041)
0.0001062 JED
period 1550.871466444479
4.25
2.2562e-05
6.177e-08
d
yr
n .2321275539521881 3.377e-09 deg/d
Q 3.043156500867298 2.9515e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      8625 days (23.61 yr)  
   first obs. used      1990-11-20  
   last obs. used      2014-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:26:42  

Additional Information
 Earth MOID = 1.24503 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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