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JPL Small-Body Database Browser
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305328 (2008 AT93)
Classification: Main-belt Asteroid          SPK-ID: 2305328
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 .1044108649568465 5.6197e-08  
a 2.723492391487143 2.8963e-08 au
q 2.43913019518858 1.63e-07 au
i 4.563943486398077 8.8091e-06 deg
node 353.0892673731615 7.8002e-05 deg
peri 67.32867199541275 9.2925e-05 deg
M 318.9516332607478 5.098e-05 deg
tp 2459187.689316019218
(2020-Dec-04.18931602)
0.00023388 TDB
period 1641.676858789103
4.49
2.6188e-05
7.17e-08
d
yr
n .2192879786741559 3.4981e-09 deg/d
Q 3.007854587785706 3.1987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1997-09-28  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58488  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:37  

Additional Information
 Earth MOID = 1.45597 au 
 Jupiter MOID = 2.28319 au 
 T_jup = 3.345 
[ 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 16.7   n/a MPO446455  

305328 (2008 AT93)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2008 AT93 = 1997 SO18 = 2004 EX98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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