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441800 (2009 FY45)
Classification: Main-belt Asteroid          SPK-ID: 2441800
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3488279557239081 6.3081e-08  
a 3.057426628083706 4.0435e-08 au
q 1.990910747633426 2.1228e-07 au
i 15.25224974177099 5.5763e-06 deg
node 169.5218082724979 2.3196e-05 deg
peri 98.39770567384723 3.6578e-05 deg
M 347.9193898701519 1.2694e-05 deg
tp 2459066.026785020500
(2020-Aug-04.52678502)
6.8261e-05 TDB
period 1952.686358869915
5.35
3.8737e-05
1.061e-07
d
yr
n .1843614046693827 3.6573e-09 deg/d
Q 4.123942508533987 5.454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      4150 days (11.36 yr)  
   first obs. used      2009-02-01  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:18:31  

Additional Information
 Earth MOID = 1.0432 au 
 Jupiter MOID = 1.53388 au 
 T_jup = 3.088 
[ 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 16.5   n/a MPO472458  

441800 (2009 FY45)          Discovered 2009-Feb-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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