Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663590657842326 9.1067e-08  
a 2.633165019775415 4.0109e-08 AU
q 2.195114147029857 2.6724e-07 AU
i 4.8169617002476 5.6027e-06 deg
node 241.3977530562679 7.3833e-05 deg
peri 140.3765821825189 7.8459e-05 deg
M 335.7883831511027 2.9855e-05 deg
tp 2457105.463144836324
(2015-Mar-23.96314484)
0.00013131 JED
period 1560.686028401177
4.27
3.5659e-05
9.763e-08
d
yr
n .2306677918868774 5.2704e-09 deg/d
Q 3.071215892520974 4.6781e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      9077 days (24.85 yr)  
   first obs. used      1989-10-23  
   last obs. used      2014-08-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48135  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 16:11:09  

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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-30 12:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin