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Table 1

Geometrical circumstances and magnitudes of the observed objects.

Name UT date r(au) Δ (au) α (deg) Apparent mag. (*) Reduced mag. Filter Observatory
(468861) 2013 LU28 2019 08 01.80 13.06 13.29 4.3 21.02 ± 0.06 9.82 B CrAO
20.18 ± 0.04 8.98 V CrAO
19.56 ± 0.08 8.36 R CrAO
19.46 ± 0.09 8.26 I CrAO
2019 08 31.77 12.95 13.42 3.9 20.92 ± 0.06 9.72 B CrAO
20.09 ± 0.04 8.89 V CrAO
19.52 ± 0.08 8.32 R CrAO
18.85 ± 0.09 7.65 I CrAO
2020 03 22.05 12.20 11.66 4.0 20.64 ± 0.12 9.44 B Terskol
19.72 ± 0.02 8.95 V Terskol
19.20 ± 0.02 8.43 R Terskol
(517717) 2015 KZ120 2019 08 01.84 8.41 8.26 6.9 20.83 ± 0.03 11.62 B CrAO
19.89 ± 0.03 10.68 V CrAO
19.47 ± 0.04 10.26 R CrAO
18.92 ± 0.06 9.71 I CrAO
2019 08 30.81 8.42 8.39 6.9 20.74 ± 0.04 11.49 B CrAO
19.96 ± 0.01 10.71 V CrAO
19.47 ± 0.02 10.22 R CrAO
18.85 ± 0.05 9.60 I CrAO
2020 EP 2020 04 23.97 2.55 1.78 17.6 20.95 ± 0.05 17.67 B CrAO
20.12 ± 0.05 16.84 V CrAO
19.61 ± 0.04 16.33 R CrAO
19.19 ± 0.09 15.91 I CrAO
A/2019 U5 2020 07 19.91 8.67 8.32 6.4 19.79 ± 0.05 10.50 B CrAO
19.00 ± 0.05 9.71 V CrAO
18.59 ± 0.05 9.30 R CrAO
18.04 ± 0.05 8.75 I CrAO
2020 07 27.96 8.64 8.28 6.4 19.73 ± 0.04 10.46 B Terskol
19.05 ± 0.04 9.78 V Terskol
18.63 ± 0.04 9.36 R Terskol
18.12 ± 0.04 8.85 I Terskol
2020 08 14.94 8.53 8.23 6.6 19.74 ± 0.04 10.51 B CrAO
18.95 ± 0.03 9.72 V CrAO
18.52 ± 0.03 9.29 R CrAO
17.97 ± 0.03 8.74 I CrAO
C/2018 DO4 2019 10 01.05 2.45 1.99 23.4 14.05 ± 0.08 10.61 B CrAO
13.13 ± 0.03 9.69 V CrAO
12.70 ± 0.03 9.26 R CrAO
11.99 ± 0.07 8.55 I CrAO
2019 10 03.06 2.45 1.97 23.0 13.34 ± 0.04 9.92 R Terskol
2019 10 05.08 2.46 1.93 22.5 14.22 ± 0.06 10.84 B Terskol
13.32 ± 0.04 9.94 V Terskol
12.88 ± 0.04 9.50 R Terskol
C/2019 O3 2020 07 19.92 8.92 8.27 5.2 18.30 ± 0.03 8.71 B CrAO
17.54 ± 0.03 7.95 V CrAO
17.11 ± 0.03 7.52 R CrAO
16.69 ± 0.09 7.10 I CrAO
2020 08 14.90 8.90 8.32 5.5 18.28 ± 0.03 8.93 B CrAO
17.54 ± 0.03 8.19 V CrAO
17.14 ± 0.03 7.79 R CrAO
16.76 ± 0.03 7.41 I CrAO

Notes. (*) The magnitudes of C/2018 DO4 and C/2019 O3 were calculated for the 10 000 km and 15 000 km apertures, respectively.

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