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74907 (1999 TB136)
Classification: Main-belt Asteroid          SPK-ID: 2074907
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149412368945954 9.7368e-08  
a 2.300640282510589 1.2363e-08 au
q 2.03620184278929 2.2214e-07 au
i 8.576130137503192 8.6034e-06 deg
node 11.19873936094189 3.2075e-05 deg
peri 169.7410184716177 3.7031e-05 deg
M 172.5560215024356 1.9412e-05 deg
tp 2458389.559206489437
(2018-Sep-28.05920649)
6.7059e-05 TDB
period 1274.592933638647
3.49
1.0274e-05
2.813e-08
d
yr
n .2824431161502593 2.2767e-09 deg/d
Q 2.565078722231887 1.3784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      8718 days (23.87 yr)  
   first obs. used      1994-03-09  
   last obs. used      2018-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 21:42:21  

Additional Information
 Earth MOID = 1.03917 au 
 Jupiter MOID = 2.3926 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456395.5 (2013-Apr-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146841196328454 9.7285e-08  
q 2.036973137304686 2.219e-07 au
tp 2455839.874588681375
(2011-Oct-05.37458868)
6.421e-05 TDB
node 11.29591083923341 3.2077e-05 deg
peri 169.8678342529286 3.7051e-05 deg
i 8.576458530365521 8.6006e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      8718 days (23.87 yr)  
   first obs. used      1994-03-09  
   last obs. used      2018-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 21:42:21  

Additional Information
 Jupiter MOID = 2.3926 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.464289139139406E-15 -2.15620389031835E-14 -9.161018608541735E-13 -1.060548265670265E-13 1.911044130653771E-14 -2.599744998036485E-15
q -2.15620389031835E-14 4.923858609845788E-14 2.100884619877449E-12 2.409702139070406E-13 -2.750178529992685E-14 6.166894827967234E-15
tp -9.161018608541735E-13 2.100884619877449E-12 4.122902816798957E-9 -1.969535254973913E-12 1.192574673848652E-9 1.46929498144487E-12
node -1.060548265670265E-13 2.409702139070406E-13 -1.969535254973913E-12 1.028919159901065E-9 -1.018947959528215E-9 -1.142684095487765E-10
peri 1.911044130653771E-14 -2.750178529992685E-14 1.192574673848652E-9 -1.018947959528215E-9 1.372774775392077E-9 1.135529122582491E-10
i -2.599744998036485E-15 6.166894827967234E-15 1.46929498144487E-12 -1.142684095487765E-10 1.135529122582491E-10 7.397064960513033E-11

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 15.7   n/a MPO432302  

74907 (1999 TB136)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TB136 = 2001 DR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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