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 ]  
11643 (1997 AM22)
Classification: Main-belt Asteroid          SPK-ID: 2011643
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2613260766571195 5.1522e-08  
a 2.450859139635512 1.3522e-08 au
q 1.810385736235321 1.2496e-07 au
i 3.428415547106916 5.0002e-06 deg
node 131.4457389024678 0.00013161 deg
peri 301.0514342936953 0.00013233 deg
M 8.73174262998843 1.2439e-05 deg
tp 2457366.508183040614
(2015-Dec-10.00818304)
4.8463e-05 JED
period 1401.444662758607
3.84
1.1598e-05
3.175e-08
d
yr
n .2568777844509216 2.1259e-09 deg/d
Q 3.091332543035704 1.7055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      11412 days (31.24 yr)  
   first obs. used      1984-09-19  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52593  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:18:20  

Additional Information
 Earth MOID = .827299 au 
 Jupiter MOID = 2.21637 au 
 T_jup = 3.446 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO358743  

11643 (1997 AM22)          Discovered 1997-Jan-08 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AM22 = 1984 ST4 = 1988 VD12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-10 20:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin