Table 1
Observation geometries of LH15.
| Date (UT) | MJD(a) (days) | R(b) (AU) | Δ(c) (AU) | α(d) (deg) | PsAng(e) (deg) | PsAMV(f) (deg) | ν(g) (deg) | δ(h) (deg) | Telescope |
|---|---|---|---|---|---|---|---|---|---|
| 26 Jul. 2019 | 58 690 | 1.80 | 0.95 | 24.3 | 94.3 | 122.5 | 338.5 | 10.8 | ZTF |
| 3 Aug. 2019 | 58 698 | 1.79 | 0.90 | 22.1 | 88.2 | 122.6 | 342.3 | 11.9 | ZTF |
| 13 Aug. 2019 | 58 708 | 1.78 | 0.85 | 18.8 | 77.5 | 122.3 | 347.0 | 12.9 | ZTF |
| 25 Aug. 2019 | 58 720 | 1.77 | 0.81 | 15.1 | 57.4 | 121.0 | 352.8 | 13.4 | ZTF |
| 31 Aug. 2019 | 58 726 | 1.77 | 0.80 | 13.7 | 43.4 | 120.1 | 355.8 | 13.3 | ZTF |
Notes. (a)Modified Julian date. (b)Distance between LH15 and the Sun. (c)Distance between LH15 and the Earth. (d)Phase angle, Sun-LH15-Earth. (e)Angle between the Sun-LH15 direction and the north direction (measured from the north to the east). (f)Angle between the negative projected heliocentric velocity vector and the north direction (measured from the north to the east). (g)True anomaly of LH15. (h)Angle of observer from the orbital plane of LH15.
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