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109612 (2001 QF289)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109612
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134872924057885 6.0297e-08  
a 3.952711773802162 5.0144e-08 au
q 3.108858039552657 2.3755e-07 au
i 9.453480921804942 6.5037e-06 deg
node 145.42642717 3.8055e-05 deg
peri 193.4184450342051 4.0133e-05 deg
M 124.2127909232982 1.2737e-05 deg
tp 2458010.112917781823
(2017-Sep-13.61291778)
9.8782e-05 TDB
period 2870.391583252549
7.86
5.4621e-05
1.495e-07
d
yr
n .1254184279595993 2.3866e-09 deg/d
Q 4.796565508051668 6.0849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7603 days (20.82 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:29:15  

Additional Information
 Earth MOID = 2.1008 au 
 Jupiter MOID = .607655 au 
 T_jup = 2.996 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456851.5 (2014-Jul-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118766918971577 6.0336e-08  
q 3.110762576391026 2.3679e-07 au
tp 2458011.000693631190
(2017-Sep-14.50069363)
9.9363e-05 TDB
node 145.46524797267 3.8069e-05 deg
peri 193.5375993123818 4.0188e-05 deg
i 9.453377330272851 6.5045e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7603 days (20.82 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:29:15  

Additional Information
 Jupiter MOID = .607655 au 
 T_jup = 2.996 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.640457026721816E-15 -1.409272098797224E-14 1.617654992911562E-12 -1.505523013636882E-15 2.560445882957906E-13 1.12299727475184E-15
q -1.409272098797224E-14 5.60713396586132E-14 -6.199968627172704E-12 1.707477523472293E-15 -1.068442228846857E-12 -3.961841038657543E-15
tp 1.617654992911562E-12 -6.199968627172704E-12 9.873080476550972E-9 -8.916730739437323E-12 1.338755184174364E-9 2.947703097394955E-13
node -1.505523013636882E-15 1.707477523472293E-15 -8.916730739437323E-12 1.449212296157848E-9 -1.430162789887865E-9 8.329869040101692E-11
peri 2.560445882957906E-13 -1.068442228846857E-12 1.338755184174364E-9 -1.430162789887865E-9 1.615035717667554E-9 -8.214281317720888E-11
i 1.12299727475184E-15 -3.961841038657543E-15 2.947703097394955E-13 8.329869040101692E-11 -8.214281317720888E-11 4.2308290671013E-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 14.2   n/a MPO426694  

109612 (2001 QF289)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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