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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459734263391447 8.8272e-08  
a 2.609565202457691 1.5711e-08 au
q 2.228638028599538 2.2427e-07 au
i 11.08789868420331 7.5887e-06 deg
node 7.018240436808556 2.2018e-05 deg
peri 349.1559240726147 2.868e-05 deg
M 178.2436089891816 2.4482e-05 deg
tp 2458238.136453098006
(2018-Apr-29.63645310)
9.9516e-05 TDB
period 1539.751570567535
4.22
1.3905e-05
3.807e-08
d
yr
n .2338039505082681 2.1114e-09 deg/d
Q 2.990492376315845 1.8004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      7657 days (20.96 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:07  

Additional Information
 Earth MOID = 1.22588 au 
 Jupiter MOID = 2.45737 au 
 T_jup = 3.369 
[ 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 14.7   n/a MPO469115  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2126-May-21 09:02 00:06 Iris 0.0376257159856288 0.0375956676835738 0.0376557702323857 4.68979396162742 4.68979392904867 2497705.876604303 6.13446048402649 1673.26499835811 42.8530010887726 -26.4750094919893 58608.7585273421 T 18 CATAB v2.0f-lin.ifort 2020-Feb-24 03:21:10 2020-Feb-24 03:21

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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