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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05868130172596795 7.7211e-08  
a 2.989742554646888 4.4503e-08 AU
q 2.814300569714688 2.3142e-07 AU
i 9.277010863706552 7.4492e-06 deg
node 271.5228683185347 4.9782e-05 deg
peri 97.48949388653355 8.2204e-05 deg
M 130.0729373480553 6.7127e-05 deg
tp 2456318.265679286631
(2013-Jan-25.76567929)
0.00034802 JED
period 1888.204883077355
5.17
4.216e-05
1.154e-07
d
yr
n .1906572762449803 4.257e-09 deg/d
Q 3.165184539579089 4.7115e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      5961 days (16.32 yr)  
   first obs. used      1998-10-28  
   last obs. used      2015-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55738  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:31:16  

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 13.9 mag n/a MPO324953  

74413 (1999 AW8)          Discovered 1999-Jan-06 by BAO Schmidt CCD Asteroid Program at Xinglong
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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