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305308 (2008 AK38)
Classification: Main-belt Asteroid          SPK-ID: 2305308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057434149993414 6.5178e-08  
a 2.749522227745465 3.5685e-08 au
q 2.458778357767063 1.8354e-07 au
i 4.551016180585287 8.8919e-06 deg
node 169.6363641137479 8.5036e-05 deg
peri 225.0917822487015 9.4396e-05 deg
M 330.6852576834246 4.2181e-05 deg
tp 2459136.102550949481
(2020-Oct-13.60255095)
0.00019599 TDB
period 1665.268546952592
4.56
3.242e-05
8.876e-08
d
yr
n .2161813484430441 4.2086e-09 deg/d
Q 3.040266097723868 3.9459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5152 days (14.11 yr)  
   first obs. used      2004-03-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .624  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:40:40  

Additional Information
 Earth MOID = 1.46744 au 
 Jupiter MOID = 2.37188 au 
 T_jup = 3.334 
[ 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 16.6   n/a MPO440439  

305308 (2008 AK38)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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