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JPL Small-Body Database Browser
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305288 (2008 AT2)
Classification: Main-belt Asteroid          SPK-ID: 2305288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2322038520261612 4.4902e-08  
a 2.654167459723761 2.8943e-08 au
q 2.037859551653413 1.2655e-07 au
i 14.63087107526965 6.1468e-06 deg
node 124.7755081249544 2.3479e-05 deg
peri 322.0824981943298 3.2401e-05 deg
M 238.5413496855523 2.6214e-05 deg
tp 2459133.364585204905
(2020-Oct-10.86458520)
0.0001225 TDB
period 1579.395540598619
4.32
2.5835e-05
7.073e-08
d
yr
n .2279353023015081 3.7284e-09 deg/d
Q 3.27047536779411 3.5664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6192 days (16.95 yr)  
   first obs. used      2002-09-10  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:34  

Additional Information
 Earth MOID = 1.07346 au 
 Jupiter MOID = 1.98706 au 
 T_jup = 3.305 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO455250  

305288 (2008 AT2)          Discovered 2008-Jan-05 by PMO NEO Survey Program at Purple Mountain
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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