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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178437166847592 5.692e-08  
a 2.970097412611971 5.5267e-08 au
q 2.620090094593989 1.6642e-07 au
i 10.91920230982158 9.4829e-06 deg
node 348.1636330543458 3.3205e-05 deg
peri 278.557199931198 5.3876e-05 deg
M 279.5163102612102 4.4664e-05 deg
tp 2459018.484179720496
(2020-Jun-17.98417972)
0.00023376 TDB
period 1869.624829424989
5.12
5.2185e-05
1.429e-07
d
yr
n .1925519999168601 5.3745e-09 deg/d
Q 3.320104730629952 6.178e-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 = 1.63251 au 
 Jupiter MOID = 1.915 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166420064492779 5.6934e-08  
q 2.624463717894557 1.6636e-07 au
tp 2457147.031408697744
(2015-May-04.53140870)
0.00023267 TDB
node 348.1908309776592 3.3202e-05 deg
peri 278.4094806924235 5.4222e-05 deg
i 10.91823939350161 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.      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
 Jupiter MOID = 1.915 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.241469924171297E-15 -9.070601456240153E-15 -1.525690499146458E-12 -1.247802140429861E-14 -2.126119021582628E-13 2.484177035346703E-15
q -9.070601456240153E-15 2.76757518176877E-14 3.996275129565307E-12 3.968612393702556E-14 5.167332797081512E-13 5.136209766463771E-15
tp -1.525690499146458E-12 3.996275129565307E-12 5.413477321221811E-8 1.127954415823871E-10 1.000832116020343E-8 -2.637838295443089E-11
node -1.247802140429861E-14 3.968612393702556E-14 1.127954415823871E-10 1.102353124871791E-9 -1.060465926861553E-9 4.289228589603851E-11
peri -2.126119021582628E-13 5.167332797081512E-13 1.000832116020343E-8 -1.060465926861553E-9 2.940035472691124E-9 -4.672653440875983E-11
i 2.484177035346703E-15 5.136209766463771E-15 -2.637838295443089E-11 4.289228589603851E-11 -4.672653440875983E-11 8.990846369565162E-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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