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136553 (1445 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2136553
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518951438611552 4.8554e-08  
a 3.166487612047903 3.5182e-08 au
q 2.685513520681321 1.6227e-07 au
i 11.97067131060132 7.248e-06 deg
node 356.4118820887573 2.5578e-05 deg
peri 262.0360814215679 3.7912e-05 deg
M 202.6055308349718 3.2821e-05 deg
tp 2459900.312626973341
(2022-Nov-16.81262697)
0.0001957 TDB
period 2058.093574881333
5.63
3.43e-05
9.391e-08
d
yr
n .1749191603305778 2.9152e-09 deg/d
Q 3.647461703414485 4.0525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      16907 days (46.29 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 18:37:29  

Additional Information
 Earth MOID = 1.70486 au 
 Jupiter MOID = 1.61842 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456714.5 (2014-Feb-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565022169246328 4.8293e-08  
q 2.665932561646722 1.6139e-07 au
tp 2455786.426613007054
(2011-Aug-12.92661301)
0.00016133 TDB
node 356.5562287936393 2.5657e-05 deg
peri 261.8031624371719 3.7378e-05 deg
i 11.96460042130193 7.2441e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      16907 days (46.29 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 18:37:29  

Additional Information
 Jupiter MOID = 1.61842 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.332218170133541E-15 -7.669917078203009E-15 -1.108854991227115E-12 -5.916158822028265E-15 -1.264816506927019E-13 3.52863771933424E-15
q -7.669917078203009E-15 2.604571864533632E-14 4.642791036804849E-12 2.433353625949455E-14 6.390271803290295E-13 -1.011754001789233E-14
tp -1.108854991227115E-12 4.642791036804849E-12 2.602671890202113E-8 1.149470755807627E-11 4.403030938458024E-9 1.412222861221811E-11
node -5.916158822028265E-15 2.433353625949455E-14 1.149470755807627E-11 6.583060779718737E-10 -6.411906861833524E-10 -3.935815479112949E-11
peri -1.264816506927019E-13 6.390271803290295E-13 4.403030938458024E-9 -6.411906861833524E-10 1.397082558150819E-9 4.091858464854135E-11
i 3.52863771933424E-15 -1.011754001789233E-14 1.412222861221811E-11 -3.935815479112949E-11 4.091858464854135E-11 5.247750591652689E-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 14.6   n/a MPO453849  
diameter diameter 6.735 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136553 (1445 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ 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
1919-Jul-24 21:05 00:05 Jupiter 1.92989598453253 1.92989387540588 1.92989809365972 2.93526066751045 2.78171967294582 2422164.378170230 4.96124875201336 174.419649335729 36.4075307764451 82.3254230847659 694373.811707358 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
1930-Jan-03 08:40 00:05 Jupiter 1.70950399489191 1.70950247890504 1.70950551092989 1.24352061065346 0.745242552147827 2425979.860858034 5.0541881369912 1968.46040861254 396.314826669147 -14.5148833462693 600047.403810097 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
1940-Jul-13 21:12 00:03 Jupiter 1.63699494805536 1.63699396817513 1.63699592796323 3.23014847890126 3.0657802760748 2429824.383333574 3.37511217916088 780.164743585709 32.7930680238201 89.7958669303787 1157397.22259187 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
1951-Mar-24 06:04 00:03 Jupiter 1.89877442922257 1.89877248046386 1.89877637798667 4.6826622346969 4.58640899483503 2433729.753097767 2.67175477967636 267.551476197414 66.5159580635889 76.1095203859431 1200410.67533426 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2026-Jul-24 14:01 < 00:01 Jupiter 1.94331890566218 1.9433181286301 1.94331968269415 3.33107786151368 3.19755405928177 2461246.084374952 0.736030123573225 95.7722610850977 30.6817494123853 -86.1742356906919 1553628.37838574 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2037-Jan-28 05:25 00:02 Jupiter 1.74015546178977 1.74015448525205 1.74015643832947 1.18434411776379 0.655109814482248 2465086.725539244 1.68971074779658 1196.37454082738 406.947211694127 22.9774607428874 1186539.76379966 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2047-Jul-10 15:09 00:02 Jupiter 1.6593972246826 1.65939637404579 1.65939807532999 2.86360252781072 2.67942898443372 2468902.131305078 2.13798504929683 562.602737797365 38.7421107229766 88.5169074942941 1716156.15252329 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2058-Mar-10 19:29 00:03 Jupiter 1.8672624847466 1.86726094448123 1.86726402501344 4.56632299056149 4.46587853715958 2472798.311768929 2.53146632223469 257.386312074933 64.6631419155392 83.3818271423302 1238772.91157694 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2133-Jul-12 16:45 00:06 Jupiter 1.95229349650159 1.95229103135721 1.95229596164751 3.62213318349467 3.50030403369906 2500315.197652432 5.8551719514189 180.267976226251 59.5313166131645 65.7257757001993 808761.103659738 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2144-Feb-09 21:55 00:08 Jupiter 1.75269679308203 1.75269522588664 1.75269836026288 1.56915880791441 1.22299758311215 2504179.413013048 7.88756911909248 1061.91842216333 134.509110167056 -12.6300702030078 336434.123251596 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2154-Jul-08 16:02 00:08 Jupiter 1.68425948970421 1.68425860192297 1.68426037749953 2.40974808083598 2.19113573666479 2507981.167988450 8.10285574910918 1083.40257880479 66.2345422407786 78.8937903790139 1623010.79882484 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37
2165-Feb-22 22:16 00:08 Jupiter 1.84632616031143 1.84632251368607 1.84632980693638 4.40366831012454 4.29822899561473 2511863.427992616 7.66718605718085 291.684919853725 150.264993969279 77.1725935189743 455806.499648156 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 18:37:46 2020-Jan-29 18:37

Alternate Designations
 1445 T-2 = 2001 RW85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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