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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189982907724542 5.67e-08  
a 2.973297883211174 5.5793e-08 au
q 2.619480517151688 1.6663e-07 au
i 10.9230042478043 9.4854e-06 deg
node 348.1027223187847 3.3171e-05 deg
peri 278.3495536790089 5.3634e-05 deg
M 35.2054346571076 4.4955e-05 deg
tp 2459017.368408677465
(2020-Jun-16.86840868)
0.00023282 TDB
period 1872.64760450281
5.13
5.2709e-05
1.443e-07
d
yr
n .192241187895883 5.411e-09 deg/d
Q 3.327115249270661 6.2432e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:51  

Additional Information
 Earth MOID = 1.63069 au 
 Jupiter MOID = 1.90769 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166419538352158 5.6934e-08  
q 2.624463893774888 1.6636e-07 au
tp 2457147.031586323842
(2015-May-04.53158632)
0.00023267 TDB
node 348.1908213411218 3.3202e-05 deg
peri 278.4095255271835 5.4222e-05 deg
i 10.91824731599102 9.482e-06 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:51  

Additional Information
 Jupiter MOID = 1.90769 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.241469483087299E-15 -9.070599942806231E-15 -1.525684235815267E-12 -1.247797044848335E-14 -2.126108393998842E-13 2.484162450164656E-15
q -9.070599942806231E-15 2.767574764904979E-14 3.9962555127781E-12 3.96860038672696E-14 5.167298615885856E-13 5.13626834521787E-15
tp -1.525684235815267E-12 3.9962555127781E-12 5.413482307900184E-8 1.127956514629247E-10 1.000833035183356E-8 -2.637837434016011E-11
node -1.247797044848335E-14 3.96860038672696E-14 1.127956514629247E-10 1.10235168451188E-9 -1.060464440036433E-9 4.28923401234501E-11
peri -2.126108393998842E-13 5.167298615885856E-13 1.000833035183356E-8 -1.060464440036433E-9 2.94003571173498E-9 -4.672658643100836E-11
i 2.484162450164656E-15 5.13626834521787E-15 -2.637837434016011E-11 4.28923401234501E-11 -4.672658643100836E-11 8.990847324911143E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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