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(2009 AT)
Classification: Amor [NEO]          SPK-ID: 3443832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7156135541882341 8.8628e-05  
a 4.26346281367364 0.001298 au
q 1.212471036431277 1.0685e-05 au
i 11.94073237524923 0.0010426 deg
node 306.4101895147891 0.00058787 deg
peri 124.3307142532297 0.0015971 deg
M 110.1094812794105 0.22187 deg
tp 2458017.022651062102
(2017-Sep-20.52265106)
1.5326 TDB
period 3215.45285205015
8.80
1.4684
0.00402
d
yr
n .1119593464946832 5.1128e-05 deg/d
Q 7.314454590916003 0.0022268 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      49 days  
   first obs. used      2009-01-02  
   last obs. used      2009-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .41935  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:01:43  

Additional Information
 Earth MOID = .286618 au 
 Jupiter MOID = .389312 au 
 T_jup = 2.458 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.0   n/a MPO154226  

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