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JPL Small-Body Database Browser
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305331 (2008 AM95)
Classification: Main-belt Asteroid          SPK-ID: 2305331
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02301512687500269 5.412e-08  
a 2.768561937230607 3.7993e-08 au
q 2.704843132983941 1.4623e-07 au
i 3.817903710695512 7.1058e-06 deg
node 306.893610940063 0.00010064 deg
peri 153.5858063660202 0.00026389 deg
M 267.8000376919244 0.00025082 deg
tp 2459431.431295877990
(2021-Aug-04.93129588)
0.0011785 TDB
period 1682.595769374716
4.61
3.4635e-05
9.483e-08
d
yr
n .2139551320361294 4.4042e-09 deg/d
Q 2.832280741477272 3.8867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1997-11-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6577  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:37  

Additional Information
 Earth MOID = 1.72235 au 
 Jupiter MOID = 2.19686 au 
 T_jup = 3.335 
[ 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 MPO476359  

305331 (2008 AM95)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2008 AM95 = 1997 WH19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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