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JPL Small-Body Database Browser
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20926 (1101 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2020926
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04321199923841752 4.4227e-08  
a 2.682029351460419 1.5441e-08 au
q 2.566133501167697 1.2203e-07 au
i 3.59269368259165 4.5293e-06 deg
node 278.4471799947084 7.9438e-05 deg
peri 232.3886370592196 9.7872e-05 deg
M 103.2108185452762 5.5897e-05 deg
tp 2458540.543841646605
(2019-Feb-26.04384165)
0.00024957 TDB
period 1604.330043507835
4.39
1.3854e-05
3.793e-08
d
yr
n .2243927310697662 1.9378e-09 deg/d
Q 2.797925201753139 1.6108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      17568 days (48.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:15:56  

Additional Information
 Earth MOID = 1.57883 au 
 Jupiter MOID = 2.20017 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456786.5 (2014-May-09.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04494344879583198 4.392e-08  
q 2.562138697289833 1.2199e-07 au
tp 2456933.593728119477
(2014-Oct-03.09372812)
0.00024296 TDB
node 278.4997132161147 7.9374e-05 deg
peri 231.5459697269566 9.6667e-05 deg
i 3.59422410128614 4.5308e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      17568 days (48.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:15:56  

Additional Information
 Jupiter MOID = 2.20017 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.928992610489063E-15 -5.318297430132441E-15 1.905554548700094E-12 -4.936220776661089E-16 4.472481482565181E-13 -6.634116686464691E-16
q -5.318297430132441E-15 1.488240899040932E-14 -5.774686374937027E-12 2.357249484448647E-15 -1.357602644444704E-12 1.916026335987649E-15
tp 1.905554548700094E-12 -5.774686374937027E-12 5.902721337493934E-8 1.121116575881522E-11 1.343422831458383E-8 -1.404219757976086E-12
node -4.936220776661089E-16 2.357249484448647E-15 1.121116575881522E-11 6.300214681230478E-9 -6.285121809766608E-9 1.028862215153529E-11
peri 4.472481482565181E-13 -1.357602644444704E-12 1.343422831458383E-8 -6.285121809766608E-9 9.344584006285755E-9 -1.058281906961988E-11
i -6.634116686464691E-16 1.916026335987649E-15 -1.404219757976086E-12 1.028862215153529E-11 -1.058281906961988E-11 2.052771631070991E-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 14.8   n/a MPO467951  
diameter diameter 6.121 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20926 (1101 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1101 T-1 = 1993 FS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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