Table C.2
Aspect data for new observations of (1620) Geographos.
| Date | r | Δ | α | λ | β | Observatory or |
|---|---|---|---|---|---|---|
| [au] | [au] | [deg] | [deg] | [deg] | Reference | |
| 2008 09 01.0 | 1.263 | 0.587 | 51.6 | 57.2 | 13.7 | Simeiz |
| 2008 09 04.0 | 1.278 | 0.581 | 50.1 | 57.5 | 14.9 | Simeiz |
| 2008 10 27.8 | 1.506 | 0.568 | 20.4 | 38.1 | 31.7 | 1 |
| 2008 10 28.8 | 1.509 | 0.571 | 20.3 | 37.5 | 31.7 | 1 |
| 2008 11 04.3 | 1.530 | 0.598 | 20.5 | 33.5 | 31.6 | 2 |
| 2008 11 06.3 | 1.536 | 0.608 | 20.8 | 32.4 | 31.4 | 2 |
| 2008 11 07.3 | 1.539 | 0.613 | 21.0 | 31.8 | 31.3 | 2 |
| 2008 11 18.2 | 1.569 | 0.681 | 24.2 | 27.0 | 29.7 | 2 |
| 2008 11 19.2 | 1.572 | 0.688 | 24.5 | 26.7 | 29.5 | 2 |
| 2008 11 20.3 | 1.574 | 0.696 | 24.9 | 26.4 | 29.3 | 2 |
| 2011 12 29.2 | 1.622 | 0.697 | 18.1 | 86.5 | 29.1 | App |
| 2011 12 29.8 | 1.621 | 0.697 | 18.2 | 86.2 | 29.0 | AAO |
| 2012 10 13.7 | 1.160 | 0.563 | 59.3 | 292.3 | 7.0 | AAO |
| 2012 10 14.7 | 1.165 | 0.570 | 58.8 | 293.5 | 7.3 | AAO |
| 2012 10 16.8 | 1.176 | 0.586 | 57.8 | 296.0 | 7.9 | Simeiz |
| 2012 10 17.7 | 1.182 | 0.594 | 57.4 | 297.1 | 8.1 | Simeiz |
| 2015 07 30.9 | 1.185 | 0.911 | 56.1 | 51.5 | 5.5 | Tien-Shan |
| 2015 08 05.9 | 1.217 | 0.904 | 54.8 | 54.5 | 6.9 | Tien-Shan |
| 2015 08 18.9 | 1.284 | 0.877 | 51.8 | 60.2 | 10.1 | Tien-Shan |
| 2015 08 19.9 | 1.289 | 0.875 | 51.5 | 60.6 | 10.4 | Tien-Shan |
| 2015 09 22.0 | 1.437 | 0.759 | 41.5 | 68.8 | 19.7 | AAO |
| 2015 09 22.9 | 1.441 | 0.756 | 41.1 | 68.9 | 20.0 | AAO |
| 2015 12 13.2 | 1.647 | 0.824 | 26.9 | 38.1 | 27.3 | 3 |
| 2015 12 15.2 | 1.649 | 0.840 | 27.6 | 37.7 | 26.9 | 3 |
| 2015 12 16.2 | 1.650 | 0.848 | 27.9 | 37.6 | 26.6 | 3 |
| 2019 01 03.3 | 1.571 | 0.633 | 17.1 | 103.6 | 28.0 | 4 |
| 2019 01 04.3 | 1.568 | 0.630 | 17.1 | 102.9 | 27.9 | 4 |
| 2019 01 10.2 | 1.552 | 0.617 | 17.9 | 99.2 | 27.3 | 4 |
| 2019 01 11.3 | 1.549 | 0.615 | 18.2 | 98.5 | 27.1 | 4 |
| 2019 01 21.0 | 1.520 | 0.612 | 22.7 | 92.8 | 25.0 | AAO |
| 2019 03 06.8 | 1.343 | 0.746 | 46.7 | 85.9 | 10.1 | Simeiz |
| 2019 09 24.3 | 1.150 | 0.248 | 48.6 | 302.6 | 14.6 | 5 |
| 2019 09 28.2 | 1.172 | 0.279 | 47.0 | 307.2 | 16.1 | 5 |
| 2019 09 29.2 | 1.177 | 0.287 | 46.7 | 308.3 | 16.4 | 5 |
| 2019 09 30.2 | 1.182 | 0.295 | 46.4 | 309.4 | 16.7 | 5 |
| 2019 10 12.8 | 1.249 | 0.406 | 44.1 | 320.1 | 18.7 | Simeiz |
| 2019 11 06.5 | 1.368 | 0.655 | 42.6 | 335.5 | 18.8 | BMO |
| 2019 11 07.5 | 1.373 | 0.666 | 42.6 | 336.0 | 18.7 | BMO |
| 2019 11 11.5 | 1.391 | 0.709 | 42.4 | 338.3 | 18.5 | BMO |
| 2019 11 14.4 | 1.403 | 0.742 | 42.3 | 339.9 | 18.4 | BMO |
| 2019 11 15.5 | 1.408 | 0.753 | 42.2 | 340.4 | 18.3 | BMO |
| 2019 11 18.5 | 1.420 | 0.787 | 42.1 | 342.0 | 18.1 | BMO |
| 2019 11 19.5 | 1.424 | 0.798 | 42.0 | 342.6 | 18.0 | BMO |
| 2019 11 20.4 | 1.428 | 0.809 | 42.0 | 343.1 | 18.0 | BMO |
Notes. The table lists asteroid’s distance from the Sun r and from the Earth Δ, the solar phase angle α, the geocentric ecliptic coordinates of the asteroid (λ, β), and the observatory or source (AAO – E.Kharadze Abastumani Astrophysical Observatory, 70 cm; BMO – Blue Mountains Observatory, 35 cm; Simeiz – Simeiz Observatory, 1 m; Tien-Shan – Tien-Shan Astronomical Observatory, 1 m; App – Appalachian State University’s Dark Sky Observatory, 81 cm.)
References. (1) Polishook (2009); (2) Skiff et al. (2019); (3) Warner (2016); (4) Warner & Stephens (2019); (5) Warner & Stephens (2020a)
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