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305291 (2008 AH5)
Classification: Main-belt Asteroid          SPK-ID: 2305291
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06291518362999009 8.9532e-08  
a 3.120164048460698 3.9677e-08 au
q 2.9238583543961 2.8719e-07 au
i 7.876049178165781 7.4996e-06 deg
node 309.498071868661 4.9943e-05 deg
peri 199.416488436038 8.4366e-05 deg
M 72.39911671980921 6.4299e-05 deg
tp 2458595.648887922519
(2019-Apr-22.14888792)
0.00035845 TDB
period 2013.096387790811
5.51
3.8398e-05
1.051e-07
d
yr
n .1788289930791973 3.411e-09 deg/d
Q 3.316469742525296 4.2173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      13931 days (38.14 yr)  
   first obs. used      1981-03-07  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:53:28  

Additional Information
 Earth MOID = 1.937 au 
 Jupiter MOID = 1.717 au 
 T_jup = 3.199 
[ 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 15.5   n/a MPO471205  

305291 (2008 AH5)          Discovered 2008-Jan-09 by LUSS at Lulin
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 AH5 = 1981 EZ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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