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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663590687584713 9.08e-08  
a 2.633165018417778 3.9493e-08 AU
q 2.195114138066414 2.6621e-07 AU
i 4.816960813671061 5.4937e-06 deg
node 241.3977484869064 7.3715e-05 deg
peri 140.3765859092893 7.8276e-05 deg
M 335.7883842117713 2.943e-05 deg
tp 2457105.463140156895
(2015-Mar-23.96314016)
0.00012943 JED
period 1560.686027194163
4.27
3.5111e-05
9.613e-08
d
yr
n .2306677920652729 5.1894e-09 deg/d
Q 3.071215898769142 4.6063e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      9179 days (25.13 yr)  
   first obs. used      1989-10-23  
   last obs. used      2014-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49888  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:10:36  

Additional Information
 Earth MOID = 1.20083 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 14.8 mag n/a MPO302419  
rotation period rot_per 8.00 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 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
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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