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66721 (1999 TX106)
Classification: Main-belt Asteroid          SPK-ID: 2066721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892169043117877 4.534e-08  
a 2.586950699078194 1.0212e-08 au
q 2.097455896191403 1.1813e-07 au
i 13.61027085393892 5.3058e-06 deg
node 247.5972062826709 1.4991e-05 deg
peri 123.1980060964741 2.0002e-05 deg
M 69.22106407816256 1.0943e-05 deg
tp 2459104.275633730150
(2020-Sep-11.77563373)
4.6405e-05 TDB
period 1519.779755745393
4.16
8.9986e-06
2.464e-08
d
yr
n .2368764280739046 1.4025e-09 deg/d
Q 3.076445501964985 1.2144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      10729 days (29.37 yr)  
   first obs. used      1991-11-28  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:33:10  

Additional Information
 Earth MOID = 1.13222 au 
 Jupiter MOID = 2.49809 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457854.5 (2017-Apr-11.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913102724376084 4.5607e-08  
q 2.090889620975276 1.1914e-07 au
tp 2457584.859430396843
(2016-Jul-15.35943040)
4.7757e-05 TDB
node 247.622740976077 1.4985e-05 deg
peri 123.1672470187228 1.9887e-05 deg
i 13.61750363639893 5.3115e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      10729 days (29.37 yr)  
   first obs. used      1991-11-28  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:33:10  

Additional Information
 Jupiter MOID = 2.49809 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.079972790067507E-15 -5.420685272406346E-15 1.209654293708545E-12 -8.642304999956505E-15 3.436447653155012E-13 -1.234979421345956E-14
q -5.420685272406346E-15 1.419513295933471E-14 -3.265795411252916E-12 2.232302679309131E-14 -9.215385152176646E-13 3.218770508006321E-14
tp 1.209654293708545E-12 -3.265795411252916E-12 2.280715191201579E-9 -7.678630307427439E-12 6.328293614868519E-10 -7.999474488190897E-12
node -8.642304999956505E-15 2.232302679309131E-14 -7.678630307427439E-12 2.245553826710888E-10 -2.200718774887313E-10 -2.923211586734394E-11
peri 3.436447653155012E-13 -9.215385152176646E-13 6.328293614868519E-10 -2.200718774887313E-10 3.954898632978715E-10 2.625295426592136E-11
i -1.234979421345956E-14 3.218770508006321E-14 -7.999474488190897E-12 -2.923211586734394E-11 2.625295426592136E-11 2.821172040880584E-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 14.89   n/a MPCxxxxx  

66721 (1999 TX106)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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