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173734 (2001 QT241)
Classification: Main-belt Asteroid          SPK-ID: 2173734
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0427289910927308 3.814e-08  
a 2.863155199995986 1.5672e-08 au
q 2.740815466958252 1.15e-07 au
i 3.203998789289396 4.2199e-06 deg
node 146.3271217561974 5.2603e-05 deg
peri 239.5377444742636 7.1025e-05 deg
M 286.7713032221174 4.815e-05 deg
tp 2459360.451979578622
(2021-May-25.95197958)
0.00023695 TDB
period 1769.561911518846
4.84
1.4529e-05
3.978e-08
d
yr
n .203440183503388 1.6703e-09 deg/d
Q 2.985494933033721 1.6341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      8820 days (24.15 yr)  
   first obs. used      1996-09-14  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:08:03  

Additional Information
 Earth MOID = 1.74561 au 
 Jupiter MOID = 2.20838 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457576.5 (2016-Jul-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04547336489606346 3.8289e-08  
q 2.731353607448084 1.1576e-07 au
tp 2457591.733962256130
(2016-Jul-22.23396226)
0.00022005 TDB
node 146.4725040982354 5.2738e-05 deg
peri 239.4698780794544 6.9024e-05 deg
i 3.200460310767245 4.2154e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      8820 days (24.15 yr)  
   first obs. used      1996-09-14  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:08:03  

Additional Information
 Jupiter MOID = 2.20838 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.466009842977733E-15 -4.400494820962812E-15 -2.703580066683318E-12 1.120398298332389E-15 -4.783022202391263E-13 3.232521822719613E-16
q -4.400494820962812E-15 1.340101995976107E-14 7.879740929940652E-12 -3.651450536537983E-15 1.387352403567727E-12 -7.898103768158288E-16
tp -2.703580066683318E-12 7.879740929940652E-12 4.842179105233563E-8 -1.016570571121141E-11 9.797988234394571E-9 1.385369880772625E-12
node 1.120398298332389E-15 -3.651450536537983E-15 -1.016570571121141E-11 2.78133817937537E-9 -2.778751111887589E-9 -3.61060272355281E-12
peri -4.783022202391263E-13 1.387352403567727E-12 9.797988234394571E-9 -2.778751111887589E-9 4.764357696299848E-9 3.903498248029589E-12
i 3.232521822719613E-16 -7.898103768158288E-16 1.385369880772625E-12 -3.61060272355281E-12 3.903498248029589E-12 1.776927303190192E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436862  

173734 (2001 QT241)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 QT241 = 1996 RE18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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