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305918 (2009 FU61)
Classification: Main-belt Asteroid          SPK-ID: 2305918
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0258436033813585 7.6992e-08  
a 2.737917120855458 4.1402e-08 au
q 2.667159476693039 2.2012e-07 au
i 6.2993687220268 7.8714e-06 deg
node 170.6946433353126 5.5835e-05 deg
peri 177.7386229396388 0.00013427 deg
M 11.23480759223397 0.00012294 deg
tp 2458948.859312975257
(2020-Apr-09.35931298)
0.00056504 TDB
period 1654.736601075232
4.53
3.7534e-05
1.028e-07
d
yr
n .2175572835979306 4.9348e-09 deg/d
Q 2.808674765017878 4.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5138 days (14.07 yr)  
   first obs. used      2004-03-20  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56166  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:11  

Additional Information
 Earth MOID = 1.65988 au 
 Jupiter MOID = 2.28187 au 
 T_jup = 3.342 
[ 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 MPO440441  

305918 (2009 FU61)          Discovered 2009-Mar-18 by Mt. Lemmon Survey at Mount Lemmon
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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