Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/17/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 05/17/2023 21:34:16 70.64,-147.93 51.15 05/17/2023 21:35:27 70.52,-147.03 51.01 35.76 71
2 05/17/2023 22:24:51 -70.19, 20.09 129.33 05/17/2023 22:25:01 -70.18, 20.11 129.33 0.90 10
3 05/17/2023 23:15:35 70.06,-172.40 50.54 05/17/2023 23:14:28 70.08,-172.39 50.57 2.63 67
4 05/20/2023 13:51:03 70.27, -31.57 50.19 05/20/2023 13:51:58 70.24, -31.56 50.16 3.02 55
5 05/20/2023 14:41:44 -70.13, 135.96 129.96 05/20/2023 14:41:28 -70.12, 135.91 129.97 2.07 16
6 05/20/2023 15:32:15 69.32, -55.53 49.20 05/20/2023 15:31:07 69.36, -57.50 49.29 77.43 68
7 05/23/2023 06:07:57 70.22, 84.29 49.60 05/23/2023 06:08:25 70.21, 84.28 49.59 1.15 28
8 05/23/2023 06:58:38 -70.08,-108.19 130.55 05/23/2023 06:57:55 -70.10,-108.25 130.53 2.91 43
9 05/25/2023 21:34:11 -70.50, 32.31 130.59 05/25/2023 21:35:22 -70.43, 32.84 130.69 21.22 71
10 05/25/2023 22:24:51 70.17,-159.87 49.07 05/25/2023 22:24:52 70.15,-159.92 49.04 2.95 1
11 05/25/2023 23:15:33 -70.09, 7.58 131.03 05/25/2023 23:14:21 -70.10, 7.64 131.02 2.54 72
12 05/28/2023 13:51:01 -70.25, 148.49 131.30 05/28/2023 13:51:51 -70.25, 148.46 131.31 1.26 50
13 05/28/2023 14:41:45 70.13, -44.03 48.58 05/28/2023 14:41:18 70.13, -44.06 48.57 1.40 27

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/17/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230517.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/17/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9