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308154 (2005 AK39)
Classification: Main-belt Asteroid          SPK-ID: 2308154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775952375642355 3.7772e-08  
a 2.295323593926843 1.4321e-08 au
q 1.88768505497661 8.996e-08 au
i 8.234711304372636 5.507e-06 deg
node 140.9538141823132 3.2335e-05 deg
peri 295.5445374096236 3.7431e-05 deg
M 187.5205290392643 2.034e-05 deg
tp 2459609.054136568195
(2022-Jan-29.55413657)
7.5456e-05 TDB
period 1270.177186561656
3.48
1.1887e-05
3.254e-08
d
yr
n .2834250243263405 2.6525e-09 deg/d
Q 2.702962132877076 1.6864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1998-01-27  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 22:06:22  

Additional Information
 Earth MOID = .919974 au 
 Jupiter MOID = 2.56474 au 
 T_jup = 3.561 
[ 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 17.1   n/a MPO418603  

308154 (2005 AK39)          Discovered 2005-Jan-13 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 AK39 = 1998 BE32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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