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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2623798757916995 4.2301e-08  
a 2.619270142492829 1.7887e-08 au
q 1.932026367840653 1.1637e-07 au
i 3.34668414565632 5.0629e-06 deg
node 180.4547903734557 6.6763e-05 deg
peri 199.4943347105534 6.7546e-05 deg
M 5.18775530240497 1.2005e-05 deg
tp 2458578.187622575311
(2019-Apr-04.68762258)
5.1469e-05 TDB
period 1548.349026632801
4.24
1.5861e-05
4.343e-08
d
yr
n .2325057166102225 2.3817e-09 deg/d
Q 3.306513917145004 2.2581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-10-01  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:05:13  

Additional Information
 Earth MOID = .934095 au 
 Jupiter MOID = 2.15057 au 
 T_jup = 3.354 
[ 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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