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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04433323277032968 3.9077e-08  
a 2.86249788605321 2.0916e-08 au
q 2.735594100966236 1.1593e-07 au
i 3.199856473632363 4.6689e-06 deg
node 146.4429556306613 7.1409e-05 deg
peri 238.9275202043289 8.9371e-05 deg
M 206.059065520674 5.5463e-05 deg
tp 2459356.928366198769
(2021-May-22.42836620)		 0.00027537 TDB
period 1768.952571014359
4.84		 1.9388e-05
5.308e-08		 d
yr
n .2035102613257559 2.2305e-09 deg/d
Q 2.989401671140183 2.1843e-08 au
   Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      8271 days (22.64 yr)  
   first obs. used      1996-09-14  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:22  

Additional Information
 Earth MOID = 1.73949 au 
 Jupiter MOID = 2.21506 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456755.5 (2014-Apr-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04590383613615271 3.9027e-08  
q 2.729135174865561 1.1589e-07 au
tp 2457593.667414416745
(2016-Jul-24.16741442)		 0.00026059 TDB
node 146.4801210334932 7.1411e-05 deg
peri 239.957696955325 8.8346e-05 deg
i 3.200267650479057 4.6701e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      8271 days (22.64 yr)  
   first obs. used      1996-09-14  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:22  

Additional Information
 Jupiter MOID = 2.21506 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.523121260544947E-15 -4.454744233219522E-15 -2.061757299868181E-12 -1.742028764292548E-15 -3.6365219195786E-13 3.483481008320389E-16
q -4.454744233219522E-15 1.342990725811054E-14 7.350336529152759E-12 5.720137715284845E-15 1.292609880912203E-12 -7.027087011684375E-16
tp -2.061757299868181E-12 7.350336529152759E-12 6.790496650259005E-8 2.474419447996273E-12 1.355980795575931E-8 2.272618356159978E-12
node -1.742028764292548E-15 5.720137715284845E-15 2.474419447996273E-12 5.099490999092527E-9 -5.090763748371076E-9 -2.379447316005816E-12
peri -3.6365219195786E-13 1.292609880912203E-12 1.355980795575931E-8 -5.090763748371076E-9 7.805079290606954E-9 2.829624593178161E-12
i 3.483481008320389E-16 -7.027087011684375E-16 2.272618356159978E-12 -2.379447316005816E-12 2.829624593178161E-12 2.181029169785399E-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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