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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

[ show close-approach data ]
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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