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109193 (2001 QL74)
Classification: Main-belt Asteroid          SPK-ID: 2109193
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459734281686108 8.822e-08  
a 2.609565200820557 1.541e-08 au
q 2.228638022427271 2.2404e-07 au
i 11.08789744709732 7.2294e-06 deg
node 7.018236910587527 2.0619e-05 deg
peri 349.155930223745 2.7266e-05 deg
M 178.2436077258485 2.4404e-05 deg
tp 2458238.136459218806
(2018-Apr-29.63645922)
9.9045e-05 TDB
period 1539.751569118569
4.22
1.3639e-05
3.734e-08
d
yr
n .2338039507282866 2.071e-09 deg/d
Q 2.990492379213844 1.7659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:30  

Additional Information
 Earth MOID = 1.22588 au 
 Jupiter MOID = 2.45737 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449921454714551 8.7603e-08  
q 2.232083209907546 2.2222e-07 au
tp 2456692.407571316052
(2014-Feb-03.90757132)
8.9724e-05 TDB
node 7.097832050569512 2.0656e-05 deg
peri 348.1030007135125 2.7466e-05 deg
i 11.07808625035346 7.2212e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:13:30  

Additional Information
 Jupiter MOID = 2.45737 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.674337898781957E-15 -1.944007297197048E-14 4.245673425320193E-12 3.067011637831214E-14 6.59532260815751E-13 -1.22225765172903E-14
q -1.944007297197048E-14 4.938007687301546E-14 -1.019809672473676E-11 -7.583138375819456E-14 -1.559881559057941E-12 3.035452209745911E-14
tp 4.245673425320193E-12 -1.019809672473676E-11 8.05033850139483E-9 2.767913822617656E-11 1.61420199144637E-9 -1.449804793682213E-11
node 3.067011637831214E-14 -7.583138375819456E-14 2.767913822617656E-11 4.266661359084555E-10 -4.133524835378793E-10 -1.273755392983304E-11
peri 6.59532260815751E-13 -1.559881559057941E-12 1.61420199144637E-9 -4.133524835378793E-10 7.543698806874341E-10 9.535407573928206E-12
i -1.22225765172903E-14 3.035452209745911E-14 -1.449804793682213E-11 -1.273755392983304E-11 9.535407573928206E-12 5.214632855601343E-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 14.7   n/a MPO469115  

109193 (2001 QL74)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QL74 = 1999 FD43 = 1999 FH63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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