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91746 (1999 TL185)
Classification: Main-belt Asteroid          SPK-ID: 2091746
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 .2273515030699329 4.5441e-08  
a 3.012912831088961 1.6727e-08 au
q 2.327922570322199 1.3752e-07 au
i 13.44256632645529 6.21e-06 deg
node 346.9862632603103 1.48e-05 deg
peri 154.2600214095469 1.8781e-05 deg
M 241.1360727247403 1.1008e-05 deg
tp 2459631.204386968103
(2022-Feb-20.70438697)
6.0622e-05 TDB
period 1910.197521765512
5.23
1.5908e-05
4.355e-08
d
yr
n .1884621856630134 1.5695e-09 deg/d
Q 3.697903091855723 2.053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      16670 days (45.64 yr)  
   first obs. used      1975-03-06  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:38:40  

Additional Information
 Earth MOID = 1.34739 au 
 Jupiter MOID = 1.34095 au 
 T_jup = 3.168 
[ show covariance matrix ]

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 13.7   n/a MPO412708  
diameter diameter 7.851 km 1.888 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.093   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

91746 (1999 TL185)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Sep-14 22:30 00:02 Jupiter 1.42249541616259 1.42249412740907 1.42249670491796 3.21723064560933 3.02649572491377 2420390.437552433 2.04593498539893 133.426867887317 43.956658739088 65.8868348080302 1850174.58085993 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
1961-Oct-09 04:13 00:01 Jupiter 1.58699918637972 1.58699783310695 1.58700053965285 3.03995414668152 2.8589979854876 2437581.676035740 1.37968872633727 164.983076881303 67.1951848401369 80.1298991398415 1865168.25358549 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
1999-Jun-17 17:06 < 00:01 Jupiter 1.83466875389765 1.8346678792233 1.83466962879621 3.22891461023884 3.08261862341977 2451347.212427924 0.614970709609351 1456.85369364334 23.4162785310514 -88.5854786925139 1960032.63398278 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
2008-Aug-03 07:16 < 00:01 Jupiter 1.91313606280576 1.91313524161814 1.91313688399523 2.42605130819334 2.23612259611768 2454681.802467414 0.49165425147791 210.394187763997 28.2762697004506 80.6122241800082 1860033.26719255 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
2046-May-02 14:58 < 00:01 Jupiter 1.53797495886405 1.53797407130631 1.53797584642292 3.34271645960703 3.17368487519158 2468468.123910491 0.80375823389496 112.135376770234 32.5731182745545 -72.9905837404766 1963759.57990406 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
2093-Jun-09 03:38 00:02 Jupiter 1.39449241498261 1.39449134926672 1.39449348070143 3.37546589934037 3.19044805910239 2485672.651043077 1.8327502923416 139.850268225861 32.2341902304173 -71.648435546996 2055321.48473072 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
2140-Sep-17 07:58 00:03 Jupiter 1.34654263550213 1.34654167952595 1.34654359148888 3.37880202402317 3.18719830178961 2502938.831936712 3.41189395432703 238.779323780781 28.0031626722391 -80.5886747700918 2090181.95062249 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38
2188-Jan-26 02:54 00:07 Jupiter 1.33406596294676 1.33406532578871 1.33406660012908 3.37949674566386 3.18608885937775 2520235.620797757 6.62302909190809 460.22100489732 25.2724348624688 -87.5612940803986 2079810.90787667 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:43 2020-Nov-12 20:38

Alternate Designations
 1999 TL185 = 1975 EL4 = 1975 EO1 = 2001 BG10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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