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216369 (2008 AC112)
Classification: Main-belt Asteroid          SPK-ID: 2216369
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01713416412819602 4.2112e-08  
a 2.72932153927324 1.9535e-08 au
q 2.682556896060711 1.1553e-07 au
i 4.213881405718306 4.6818e-06 deg
node 116.4695240825596 6.5983e-05 deg
peri 109.5761250456661 0.0001729 deg
M 210.1629225181525 0.00016277 deg
tp 2459885.983923240355
(2022-Nov-02.48392324)
0.00074656 TDB
period 1646.950250991275
4.51
1.7682e-05
4.841e-08
d
yr
n .218585837540218 2.3467e-09 deg/d
Q 2.776086182485768 1.9869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      9466 days (25.92 yr)  
   first obs. used      1995-03-04  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:32  

Additional Information
 Earth MOID = 1.67307 au 
 Jupiter MOID = 2.19199 au 
 T_jup = 3.351 
[ 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 16.48   n/a MPCxxxxx  

216369 (2008 AC112)          Discovered 2008-Jan-10 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2008 AC112 = 2004 FD25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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