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JPL Small-Body Database Browser
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91703 (1999 TS143)
Classification: Main-belt Asteroid          SPK-ID: 2091703
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2204144794368429 4.9223e-08  
a 3.104268471203143 2.9248e-08 au
q 2.420042752090698 1.5525e-07 au
i 15.76078496316541 7.6955e-06 deg
node 357.7774257660287 1.822e-05 deg
peri 283.0863276868346 2.4475e-05 deg
M 343.0252690255674 1.6829e-05 deg
tp 2459094.697144358574
(2020-Sep-02.19714436)
9.3917e-05 TDB
period 1997.732513119854
5.47
2.8233e-05
7.73e-08
d
yr
n .1802043054491759 2.5468e-09 deg/d
Q 3.788494190315588 3.5694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:09:29  

Additional Information
 Earth MOID = 1.46351 au 
 Jupiter MOID = 1.82961 au 
 T_jup = 3.126 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456909.5 (2014-Sep-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186755140529818 4.9334e-08  
q 2.425910437420383 1.5522e-07 au
tp 2457097.145088672166
(2015-Mar-15.64508867)
8.6745e-05 TDB
node 357.8154449248806 1.8217e-05 deg
peri 283.1330965977538 2.4545e-05 deg
i 15.75864496387577 7.6935e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:09:29  

Additional Information
 Jupiter MOID = 1.82961 au 
 T_jup = 3.126 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.433883535246499E-15 -7.571306879684581E-15 1.988272638929096E-12 -7.660965185024222E-15 3.555065499712751E-13 -4.525334845670141E-15
q -7.571306879684581E-15 2.409310780659571E-14 -5.934523089487211E-12 1.982228340804004E-14 -1.06912860481919E-12 1.855321985054712E-14
tp 1.988272638929096E-12 -5.934523089487211E-12 7.524689860888158E-9 -1.143771793251117E-11 1.447087891272368E-9 -1.255000342245622E-11
node -7.660965185024222E-15 1.982228340804004E-14 -1.143771793251117E-11 3.318753711307672E-10 -3.210768772982001E-10 -3.986532347193274E-11
peri 3.555065499712751E-13 -1.06912860481919E-12 1.447087891272368E-9 -3.210768772982001E-10 6.024348275127004E-10 3.618508225515513E-11
i -4.525334845670141E-15 1.855321985054712E-14 -1.255000342245622E-11 -3.986532347193274E-11 3.618508225515513E-11 5.919048288322728E-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 14.5   n/a MPO432454  
diameter diameter 3.085 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.354   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91703 (1999 TS143)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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