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JPL Small-Body Database Browser
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305295 (2008 AH9)
Classification: Main-belt Asteroid          SPK-ID: 2305295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445091335801255 6.9643e-08  
a 2.722621468419379 3.4756e-08 au
q 2.329177798951445 2.0045e-07 au
i 2.298779050291837 1.0761e-05 deg
node 164.795445550504 0.00019672 deg
peri 255.3542580377045 0.00020304 deg
M 231.8793006157485 4.7332e-05 deg
tp 2459184.477512522281
(2020-Nov-30.97751252)
0.00022027 TDB
period 1640.889454384783
4.49
3.1421e-05
8.603e-08
d
yr
n .2193932071645706 4.2011e-09 deg/d
Q 3.116065137887312 3.9779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      7480 days (20.48 yr)  
   first obs. used      1999-01-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64059  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:34  

Additional Information
 Earth MOID = 1.34269 au 
 Jupiter MOID = 2.2056 au 
 T_jup = 3.342 
[ 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 17.6   n/a MPO348862  

305295 (2008 AH9)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 AH9 = 2004 FE104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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