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91669 (1999 TL112)
Classification: Main-belt Asteroid          SPK-ID: 2091669
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 .08654577246544673 3.4575e-08  
a 3.188345289858012 2.171e-08 au
q 2.912407483860682 1.0635e-07 au
i 5.837551046773627 4.9569e-06 deg
node 216.8407145115477 3.7813e-05 deg
peri 263.2602113383822 4.8227e-05 deg
M 127.6346044703659 3.1727e-05 deg
tp 2458263.254067100107
(2018-May-24.75406710)
0.00018121 TDB
period 2079.4402657908
5.69
2.1239e-05
5.815e-08
d
yr
n .1731235111305753 1.7682e-09 deg/d
Q 3.464283095855342 2.3589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:40:47  

Additional Information
 Earth MOID = 1.93599 au 
 Jupiter MOID = 1.65757 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456725.5 (2014-Mar-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08833421477583163 3.4521e-08  
q 2.904415773733096 1.0675e-07 au
tp 2456180.139448246800
(2012-Sep-09.63944825)
0.00017355 TDB
node 216.8885917338496 3.779e-05 deg
peri 262.1981612596803 4.7869e-05 deg
i 5.840746917723599 4.96e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:40:47  

Additional Information
 Jupiter MOID = 1.65757 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.191732980873099E-15 -3.622809620121374E-15 4.505775366113798E-13 1.050266081864866E-15 8.182640759388522E-14 1.02762903878729E-15
q -3.622809620121374E-15 1.139566785552793E-14 -9.534741996722533E-13 -4.661488605691412E-15 -1.615834854720701E-13 -3.74523209084793E-15
tp 4.505775366113798E-13 -9.534741996722533E-13 3.012016079724369E-8 2.395671684018781E-11 5.114191253207035E-9 2.22273785351537E-12
node 1.050266081864866E-15 -4.661488605691412E-15 2.395671684018781E-11 1.428055767944599E-9 -1.416545053871572E-9 -1.566897611506735E-11
peri 8.182640759388522E-14 -1.615834854720701E-13 5.114191253207035E-9 -1.416545053871572E-9 2.291467966143802E-9 1.58862016200106E-11
i 1.02762903878729E-15 -3.74523209084793E-15 2.22273785351537E-12 -1.566897611506735E-11 1.58862016200106E-11 2.460142761632395E-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 14.1   n/a MPO432454  
diameter diameter 8.769 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91669 (1999 TL112)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TL112 = 2000 YF83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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