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JPL Small-Body Database Browser
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305620 (2009 AT24)
Classification: Main-belt Asteroid          SPK-ID: 2305620
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041181249984594 7.3582e-08  
a 2.555213818950551 2.8809e-08 au
q 2.289169747151267 1.6944e-07 au
i 5.698692447818629 6.2207e-06 deg
node 127.3278500836581 5.9391e-05 deg
peri 67.14410019458325 6.8058e-05 deg
M 126.9553066528186 3.3557e-05 deg
tp 2458074.376553723975
(2017-Nov-16.87655372)
0.00013655 TDB
period 1491.898571655049
4.08
2.5231e-05
6.908e-08
d
yr
n .2413032674202718 4.0809e-09 deg/d
Q 2.821257890749835 3.1808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      9691 days (26.53 yr)  
   first obs. used      1993-04-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:07  

Additional Information
 Earth MOID = 1.29625 au 
 Jupiter MOID = 2.14972 au 
 T_jup = 3.423 
[ 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 17.0   n/a MPO450228  

305620 (2009 AT24)          Discovered 2009-Jan-03 by Spacewatch at Kitt Peak
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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