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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040961310635577 5.6231e-08  
a 2.725289474998765 2.9339e-08 au
q 2.441597384623159 1.6316e-07 au
i 4.562216240687231 8.8055e-06 deg
node 353.1163206544004 7.8032e-05 deg
peri 66.93705442541786 9.3034e-05 deg
M 231.6160975751075 5.0485e-05 deg
tp 2459186.537567691127
(2020-Dec-03.03756769)
0.00023466 TDB
period 1643.302005812059
4.50
2.6536e-05
7.265e-08
d
yr
n .2190711133600188 3.5376e-09 deg/d
Q 3.008981565374371 3.2393e-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 = 1.45795 au 
 Jupiter MOID = 2.28428 au 
 T_jup = 3.344 
[ 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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