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JPL Small-Body Database Browser
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109068 (2001 QT21)
Classification: Main-belt Asteroid          SPK-ID: 2109068
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733348159233449 9.9517e-08  
a 2.548972002083992 1.4714e-08 au
q 1.852249209100604 2.6112e-07 au
i 4.609141980985649 7.8625e-06 deg
node 354.9875067188822 5.9195e-05 deg
peri 315.4512840031973 5.9944e-05 deg
M 144.9143229126755 9.4492e-06 deg
tp 2458002.150633013315
(2017-Sep-05.65063301)		 3.6743e-05 TDB
period 1486.435348733671
4.07		 1.2871e-05
3.524e-08		 d
yr
n .2421901499494696 2.0971e-09 deg/d
Q 3.24569479506738 1.8736e-08 au
   Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      9225 days (25.26 yr)  
   first obs. used      1993-10-13  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:27:25  

Additional Information
 Earth MOID = .840676 au 
 Jupiter MOID = 2.05525 au 
 T_jup = 3.384 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO432614  

109068 (2001 QT21)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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