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66193 (1999 AF22)
Classification: Main-belt Asteroid          SPK-ID: 2066193
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664618118260532 1.0592e-07  
a 2.633426213665608 4.545e-08 AU
q 2.195061314828608 2.9719e-07 AU
i 4.817046428580323 8.6216e-06 deg
node 241.4040026220297 8.8244e-05 deg
peri 140.3624735053072 9.2076e-05 deg
M 289.6742104163217 3.1099e-05 deg
tp 2457105.424467785968
(2015-Mar-23.92446779)
0.00014098 JED
period 1560.918249944903
4.27
4.041e-05
1.106e-07
d
yr
n .2306334748874306 5.9708e-09 deg/d
Q 3.071791112502609 5.3016e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1989-10-23  
   last obs. used      2013-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54325  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 08:52:47  

Additional Information
 Earth MOID = 1.19957 AU 
 T_jup = 3.374 
[ 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 14.7 mag n/a MPO263854  
rotation period rot_per 8.00 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D (2011) Minor Planet Bul. 38, 25-31.]

66193 (1999 AF22)          Discovered 1999-Jan-13 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AF22 = 1989 UO8 = 2002 YN12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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