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19159 Taenakano (1990 TT)
Classification: Main-belt Asteroid          SPK-ID: 2019159
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05894900065487082 2.1091e-08  
a 2.766135188145729 1.3518e-08 au
q 2.603074283128265 5.9132e-08 au
i 8.49594392264958 6.634e-07 deg
node 12.07648915157654 5.194e-06 deg
peri 24.41000855138169 2.1852e-05 deg
M 189.009029050557 2.3435e-05 deg
tp 2459998.640238716431
(2023-Feb-23.14023872)
0.000112 TDB
period 1680.3839661386
4.60
1.2318e-05
3.372e-08
d
yr
n .2142367502037369 1.5705e-09 deg/d
Q 2.929196093163192 1.4315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2076  
   data-arc span      24077 days (65.92 yr)  
   first obs. used      1955-03-14  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:47:11  

Additional Information
 Earth MOID = 1.60984 au 
 Jupiter MOID = 2.3251 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.42   n/a E2021B10  
diameter diameter 6.708 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.903 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.156   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19159 Taenakano           Discovered 1990 Oct. 10 by K. Endate and K. Watanabe at Kitami.
Tae Nakano (b. 1975) plays an active part as a planetarian in the Kita-Kyushu Children's Culture and Science Museum and a researcher in the Kyushu Institute of Technology. She also undertakes outreach activities with nano-satellites.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-04-22Last Updated: 2016-04-25

Alternate Designations
 1990 TT = 1976 SR2 = 1986 XR1 = 1999 RJ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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