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212928 (2008 AK106)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124049646050888 7.2697e-08  
a 3.927741110349217 6.8087e-08 au
q 3.440506215830875 2.8538e-07 au
i 3.490487796350768 6.3877e-06 deg
node 31.99643729215417 0.00012065 deg
peri 118.1882744458182 0.00012749 deg
M 178.5808584374138 3.4152e-05 deg
tp 2457590.090859270276
(2016-Jul-20.59085927)
0.00026609 TDB
period 2843.234684307714
7.78
7.3931e-05
2.024e-07
d
yr
n .1266163507314046 3.2923e-09 deg/d
Q 4.41497600486756 7.6533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      8831 days (24.18 yr)  
   first obs. used      1993-02-26  
   last obs. used      2017-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64726  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 17:42:33  

Additional Information
 Earth MOID = 2.45352 au 
 Jupiter MOID = .597516 au 
 T_jup = 3.046 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456795.5 (2014-May-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155958097640848 8.0543e-08  
q 3.484188585410118 3.2176e-07 au
tp 2457609.367895173683
(2016-Aug-08.86789517)
0.00027533 TDB
node 32.28905797094841 0.00011984 deg
peri 121.734905793493 0.00012662 deg
i 3.506092594929995 6.387e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      8831 days (24.18 yr)  
   first obs. used      1993-02-26  
   last obs. used      2017-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64726  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 17:42:33  

Additional Information
 Jupiter MOID = .597516 au 
 T_jup = 3.046 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.487191061604254E-15 -2.540653980913572E-14 7.021037482164294E-12 -2.274675245458471E-14 1.329909357263643E-12 -4.204829141416658E-15
q -2.540653980913572E-14 1.035311201647321E-13 -2.964384964252674E-11 9.597133892406246E-14 -5.697339844198881E-12 1.792713009471523E-14
tp 7.021037482164294E-12 -2.964384964252674E-11 7.580837097818355E-8 -1.494290329584039E-10 1.128646133586423E-8 5.495318648605186E-12
node -2.274675245458471E-14 9.597133892406246E-14 -1.494290329584039E-10 1.436143574949977E-8 -1.43566473115003E-8 -1.456377780050078E-11
peri 1.329909357263643E-12 -5.697339844198881E-12 1.128646133586423E-8 -1.43566473115003E-8 1.603250990393849E-8 1.504440758394068E-11
i -4.204829141416658E-15 1.792713009471523E-14 5.495318648605186E-12 -1.456377780050078E-11 1.504440758394068E-11 4.079327336805535E-11

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 15.4   n/a MPO475751  

212928 (2008 AK106)          Discovered 2008-Jan-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2008 AK106 = 2005 ST201 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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