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Table 2:

Aspect data for observations of (1270) Datura.
Date r $\Delta$ $\alpha\phantom{g}$ $\lambda$ $\beta$ Obs.
  [AU] [AU] [deg] [deg] [deg]  
1990 11 18.5 2.058 1.177 16.5 92.1 -4.0 W97
1991 01 16.2 2.201 1.334 15.6 78.6 -0.7 W97
2000 10 14.0 1.955 1.341 28.1 88.2 -5.4 S05
2006 07 08.0 2.078 1.096 10.0 264.8 0.6 PdM
2006 07 27.8 2.031 1.166 19.9 261.6 -0.7 SAAO
2006 07 29.8 2.026 1.176 20.7 261.5 -0.8 SAAO
2007 10 20.0 2.245 2.185 25.9 125.8 0.2 S
2007 10 21.0 2.247 2.176 26.0 126.1 0.2 S
2007 10 21.1 2.247 2.174 26.0 126.1 0.2 PdM
2007 11 17.2 2.310 1.894 24.8 132.4 1.2 PdM
2007 11 21.0 2.319 1.854 24.3 132.9 1.4 S
2007 11 28.1 2.335 1.782 23.1 133.7 1.7 PdM
2007 12 01.1 2.342 1.753 22.5 133.9 1.9 PdM
2008 01 06.0 2.418 1.495 10.2 130.6 3.7 K
2008 01 15.8 2.437 1.471 5.5 128.1 4.2 S
2008 02 02.9 2.472 1.498 4.5 123.0 4.8 PdM
2008 02 03.9 2.474 1.502 4.9 122.8 4.9 S
2008 04 09.8 2.581 2.221 22.5 119.6 4.9 K
2009 02 27.0 2.599 2.104 21.1 229.4 6.9 S
2009 03 04.1 2.593 2.034 20.5 229.9 7.1 S
2009 05 04.0 2.499 1.497 3.3 222.4 8.2 B
2009 05 14.0 2.481 1.493 6.3 219.7 7.9 B
2009 06 12.9 2.423 1.623 18.2 214.3 6.4 PdM

The first three are archival while the next 20 are new. The table lists Datura's distance from the Sun r and from the Earth $\Delta$, the solar phase angle $\alpha $, the geocentric ecliptic coordinates of the asteroid $(\lambda,
\beta)$, and the observatory (W97 - Wisniewski et al. 1997; S05 - Székely et al. 2005; PdM - Pic du Midi, 1 m; SAAO - South African Astronomical Observatory, 1 m; K - Kharkiv Observatory, 70 cm; S - Simeiz Observatory, 1 m; B - Borowiec Observatory, 0.5 m).

Source LaTeX | All tables | In the text

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