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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660198557102122 4.8338e-08  
a 2.633822637270073 2.2058e-08 au
q 2.196555783064206 1.3478e-07 au
i 4.816619677638091 5.1176e-06 deg
node 241.3678158530716 6.6268e-05 deg
peri 140.5766399673443 7.0486e-05 deg
M 114.0470794422408 2.4541e-05 deg
tp 2457105.893427237819
(2015-Mar-24.39342724)
0.00010245 JED
period 1561.270723153967
4.27
1.9613e-05
5.37e-08
d
yr
n .230581406966214 2.8966e-09 deg/d
Q 3.071089491475941 2.572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1989-10-23  
   last obs. used      2016-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49632  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 00:15:15  

Additional Information
 Earth MOID = 1.20112 au 
 Jupiter MOID = 2.3949 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 14.9 mag n/a MPO366010  
rotation period rot_per 8.00 h n/a LCDB (Rev. 2016-February); 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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