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136831 (1997 TA1)
Classification: Main-belt Asteroid          SPK-ID: 2136831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2625947505828026 3.5058e-08  
a 2.619412427714146 1.3934e-08 au
q 1.931568474585056 9.273e-08 au
i 3.346827925002176 4.4026e-06 deg
node 180.4440364003763 6.6572e-05 deg
peri 199.4830461992153 6.7286e-05 deg
M 98.18278340390277 1.0681e-05 deg
tp 2458578.184431845679
(2019-Apr-04.68443185)
4.3851e-05 TDB
period 1548.475193559364
4.24
1.2356e-05
3.383e-08
d
yr
n .2324867724696932 1.8551e-09 deg/d
Q 3.307256380843235 1.7593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8160 days (22.34 yr)  
   first obs. used      1997-10-01  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:43  

Additional Information
 Earth MOID = .934396 au 
 Jupiter MOID = 2.15285 au 
 T_jup = 3.353 
[ 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 15.7   n/a MPO417724  
diameter diameter 1.918 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136831 (1997 TA1)          Discovered 1997-Oct-03 by ODAS at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1997 TA1 = 2003 AV37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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