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JPL Small-Body Database Browser
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305293 (2008 AY7)
Classification: Main-belt Asteroid          SPK-ID: 2305293
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 .1645616825807469 3.9814e-08  
a 2.673655718741453 2.1783e-08 au
q 2.233674435023723 1.0575e-07 au
i 3.544965628118419 4.4181e-06 deg
node 102.0733295496522 0.00011949 deg
peri 5.017021449480402 0.000122 deg
M 308.8247303680848 2.6454e-05 deg
tp 2459227.493954376122
(2021-Jan-12.99395438)
0.00011889 TDB
period 1596.822530944535
4.37
1.9514e-05
5.343e-08
d
yr
n .2254477207226383 2.7552e-09 deg/d
Q 3.113637002459183 2.5367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      9001 days (24.64 yr)  
   first obs. used      1995-02-02  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:45  

Additional Information
 Earth MOID = 1.25051 au 
 Jupiter MOID = 2.01501 au 
 T_jup = 3.358 
[ 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 16.9   n/a MPO494622  

305293 (2008 AY7)          Discovered 2008-Jan-10 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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