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410830 (2009 PT18)
Classification: Main-belt Asteroid          SPK-ID: 2410830
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3663227186704193 1.2325e-07  
a 2.863507294905314 2.7916e-08 au
q 1.814539517703021 3.3872e-07 au
i 17.26197493480064 7.5188e-06 deg
node 90.67361263952543 1.9937e-05 deg
peri 305.0018990665973 2.6831e-05 deg
M 48.81877064680702 8.1155e-06 deg
tp 2458760.489519895594
(2019-Oct-03.98951990)
3.9448e-05 TDB
period 1769.888337883359
4.85
2.5882e-05
7.086e-08
d
yr
n .2034026623569543 2.9744e-09 deg/d
Q 3.912475072107606 3.8142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      5693 days (15.59 yr)  
   first obs. used      2004-07-14  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:49:00  

Additional Information
 Earth MOID = .878921 au 
 Jupiter MOID = 1.74923 au 
 T_jup = 3.135 
[ 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 16.1   n/a MPO503517  

410830 (2009 PT18)          Discovered 2009-Aug-01 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2014-10-09

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