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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16614547709441 5.6476e-08  
a 2.632770822480857 2.5276e-08 au
q 2.195347858099533 1.6052e-07 au
i 4.817176058085737 5.2822e-06 deg
node 241.3930111941954 6.8447e-05 deg
peri 140.4136306303019 7.2698e-05 deg
M 68.05176959868685 2.5148e-05 deg
tp 2457105.545563123522
(2015-Mar-24.04556312)
0.00010618 JED
period 1560.335578365051
4.27
2.247e-05
6.152e-08
d
yr
n .2307195996756126 3.3225e-09 deg/d
Q 3.070193786862182 2.9475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9554 days (26.16 yr)  
   first obs. used      1989-10-23  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49204  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:39:59  

Additional Information
 Earth MOID = 1.19961 au 
 Jupiter MOID = 2.39725 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-December); 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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