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482718 (2013 ET9)
Classification: Amor [NEO]          SPK-ID: 2482718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799227398208552 4.0367e-08  
a 1.242388020647968 3.2505e-09 au
q 1.018854164052377 4.8758e-08 au
i 12.31699714884797 7.387e-06 deg
node 190.6763628495459 1.4829e-05 deg
peri 72.4108390305433 2.8115e-05 deg
M 4.366687713137329 2.8726e-05 deg
tp 2458994.364726282049
(2020-May-24.86472628)
4.0351e-05 TDB
period 505.8063877152457
1.38
1.985e-06
5.435e-09
d
yr
n .7117347837897799 2.7932e-09 deg/d
Q 1.46592187724356 3.8353e-09 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6578 days (18.01 yr)  
   first obs. used      2002-10-15  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-19 08:29:34  

Additional Information
 Earth MOID = .108484 au 
 Jupiter MOID = 3.59377 au 
 T_jup = 5.127 
[ 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 21.1   n/a E2013Q33  

482718 (2013 ET9)          Discovered 2002-Oct-15 by NEAT at Palomar
Reference: Last Updated: 2017-01-17

[ show close-approach data ]
Alternate Designations
 2013 ET9 = 2002 TO301 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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