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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06319974445098771 8.936e-08  
a 3.120555066645982 4.0216e-08 au
q 2.923336783888721 2.8736e-07 au
i 7.875726816704973 7.4999e-06 deg
node 309.4962804153075 5.0048e-05 deg
peri 199.2990972758437 8.425e-05 deg
M .9627492907828001 6.3923e-05 deg
tp 2458595.115357067520
(2019-Apr-21.61535707)
0.00035751 TDB
period 2013.474820757093
5.51
3.8922e-05
1.066e-07
d
yr
n .1787953821367557 3.4563e-09 deg/d
Q 3.317773349403243 4.2757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      13898 days (38.05 yr)  
   first obs. used      1981-03-07  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:09:51  

Additional Information
 Earth MOID = 1.93695 au 
 Jupiter MOID = 1.71733 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 15.4   n/a MPO433966  

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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