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JPL Small-Body Database Browser
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11643 (1997 AM22)
Classification: Main-belt Asteroid          SPK-ID: 2011643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .263262638783075 3.8262e-08  
a 2.449814239923 8.6304e-09 au
q 1.804869678592518 9.3014e-08 au
i 3.428506417121479 3.3529e-06 deg
node 131.3681652913131 7.7823e-05 deg
peri 301.1796592614123 7.8189e-05 deg
M 316.9018019222201 6.5177e-06 deg
tp 2458768.169770929425
(2019-Oct-11.66977093)
2.5511e-05 TDB
period 1400.548520048527
3.83
7.4009e-06
2.026e-08
d
yr
n .2570421480203532 1.3583e-09 deg/d
Q 3.094758801253482 1.0902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1478  
   data-arc span      12859 days (35.21 yr)  
   first obs. used      1984-09-19  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:18:00  

Additional Information
 Earth MOID = .82235 au 
 Jupiter MOID = 2.20663 au 
 T_jup = 3.446 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO452335  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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