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305286 (2008 AD1)
Classification: Main-belt Asteroid          SPK-ID: 2305286
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082656141386464 9.853e-08  
a 2.65716396446537 2.9351e-08 au
q 2.369484475985447 2.5321e-07 au
i 13.13982708582545 1.1057e-05 deg
node 225.4536528425947 2.9152e-05 deg
peri 33.55448222381382 6.0962e-05 deg
M 138.5675773464465 4.7804e-05 deg
tp 2458391.545167572569
(2018-Sep-30.04516757)
0.00021182 TDB
period 1582.070956799456
4.33
2.6213e-05
7.177e-08
d
yr
n .2275498443687275 3.7702e-09 deg/d
Q 2.944843452945294 3.2528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:44  

Additional Information
 Earth MOID = 1.36617 au 
 Jupiter MOID = 2.09903 au 
 T_jup = 3.342 
[ 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 16.5   n/a MPO494622  

305286 (2008 AD1)          Discovered 2008-Jan-01 by Bickel, W. at Bergisch Gladbach
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2008 AD1 = 1998 VM40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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