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305886 (2009 FQ18)
Classification: Main-belt Asteroid          SPK-ID: 2305886
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184435608089202 5.6825e-08  
a 2.97195750337238 5.4428e-08 au
q 2.619948274100166 1.6648e-07 au
i 10.91816575040083 9.4819e-06 deg
node 348.145215796523 3.3203e-05 deg
peri 278.4894312242906 5.3745e-05 deg
M 356.6187421820462 4.4838e-05 deg
tp 2459018.076730964082
(2020-Jun-17.57673096)
0.00023316 TDB
period 1871.381446712225
5.12
5.1409e-05
1.408e-07
d
yr
n .1923712563424594 5.2846e-09 deg/d
Q 3.323966732644593 6.0875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5988 days (16.39 yr)  
   first obs. used      2002-11-07  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53538  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:03:56  

Additional Information
 Earth MOID = 1.6328 au 
 Jupiter MOID = 1.91153 au 
 T_jup = 3.225 
[ 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 15.6   n/a MPO455253  

305886 (2009 FQ18)          Discovered 2009-Mar-19 by La Sagra at La Sagra
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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