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227586 (2006 AC9)
Classification: Main-belt Asteroid          SPK-ID: 2227586
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347685282270693 5.338e-08  
a 2.681957038808517 1.8352e-08 au
q 2.320513635920064 1.4726e-07 au
i 14.01855315879733 5.8499e-06 deg
node 68.37477299376432 2.0529e-05 deg
peri 58.10449792613968 3.2278e-05 deg
M 151.1417230359371 2.2975e-05 deg
tp 2458526.968331880435
(2019-Feb-12.46833188)
0.00010067 TDB
period 1604.265160225749
4.39
1.6466e-05
4.508e-08
d
yr
n .2244018064628054 2.3033e-09 deg/d
Q 3.04340044169697 2.0825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1998-06-25  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:25:55  

Additional Information
 Earth MOID = 1.36866 au 
 Jupiter MOID = 2.18687 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.88   n/a E2021B55  

227586 (2006 AC9)          Discovered 2006-Jan-02 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2006 AC9 = 1998 MN23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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