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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618145232382685 5.7776e-08  
a 2.450744117582328 1.6249e-08 AU
q 1.80910371485852 1.4377e-07 AU
i 3.428044256110237 7.2623e-06 deg
node 131.4576163243716 0.00016018 deg
peri 300.9506534644 0.00016128 deg
M 112.0295222029374 1.9165e-05 deg
tp 2455964.410767935900
(2012-Feb-06.91076794)		 7.3741e-05 JED
period 1401.346006445429
3.84		 1.3937e-05
3.816e-08		 d
yr
n .2568958689318668 2.5549e-09 deg/d
Q 3.092384520306136 2.0503e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      10442 days (28.59 yr)  
   first obs. used      1984-09-19  
   last obs. used      2013-04-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .56403  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:45:27  

Additional Information
 Earth MOID = .826017 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 14.3 mag n/a PDS3 (MPC 35869)  

11643 (1997 AM22)          Discovered 1997-Jan-08 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
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 ]
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