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74413 (1999 AW8)
Classification: Main-belt Asteroid          SPK-ID: 2074413
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .05868130339729935 7.8851e-08  
a 2.9897425654954 4.998e-08 AU
q 2.814300574929744 2.4137e-07 AU
i 9.277008484035067 8.6623e-06 deg
node 271.5228837746938 5.2263e-05 deg
peri 97.48944069445972 9.258e-05 deg
M 130.0729720927107 7.4907e-05 deg
tp 2456318.265493337131
(2013-Jan-25.76549334)
0.00039272 JED
period 1888.2048933546
5.17
4.7348e-05
1.296e-07
d
yr
n .1906572752072584 4.7809e-09 deg/d
Q 3.165184556061055 5.2913e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      5622 days (15.39 yr)  
   first obs. used      1998-10-28  
   last obs. used      2014-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53799  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 13:53:17  

Additional Information
 Earth MOID = 1.83338 AU 
 T_jup = 3.234 
[ 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 13.8 mag n/a MPO250861  

74413 (1999 AW8)          Discovered 1999-Jan-06 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AW8 = 2002 PK41 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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