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: 5/13/2023
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 05/15/2023 06:07:57 -70.24, -95.76 128.66 05/15/2023 06:08:33 -70.23, -95.69 128.67 2.54 36
2 05/15/2023 06:58:41 70.11, 71.74 51.21 05/15/2023 06:58:00 70.13, 71.80 51.23 3.25 41
3 05/17/2023 21:34:15 70.63,-147.93 51.15 05/17/2023 21:35:26 70.52,-147.03 51.01 35.65 71
4 05/17/2023 22:24:50 -70.18, 20.10 129.33 05/17/2023 22:25:00 -70.19, 20.12 129.33 0.58 10
5 05/17/2023 23:15:34 70.06,-172.40 50.54 05/17/2023 23:14:27 70.08,-172.39 50.56 2.17 67
6 05/20/2023 13:51:03 70.28, -31.58 50.20 05/20/2023 13:51:57 70.27, -31.52 50.18 2.57 54
7 05/20/2023 14:41:44 -70.14, 135.95 129.95 05/20/2023 14:41:27 -70.16, 135.96 129.93 2.26 17
8 05/20/2023 15:32:14 69.28, -55.47 49.16 05/20/2023 15:31:07 69.33, -57.53 49.26 81.42 67
9 05/23/2023 06:07:56 70.19, 84.33 49.58 05/23/2023 06:08:24 70.20, 84.28 49.59 2.64 28
10 05/23/2023 06:58:38 -70.10,-108.21 130.53 05/23/2023 06:57:54 -70.10,-108.24 130.53 1.29 44
11 05/25/2023 21:34:09 -70.44, 32.42 130.66 05/25/2023 21:35:21 -70.39, 32.78 130.73 14.74 72
12 05/25/2023 22:24:50 70.17,-159.85 49.06 05/25/2023 22:24:50 70.16,-159.90 49.05 1.90 0
13 05/25/2023 23:15:32 -70.08, 7.61 131.05 05/25/2023 23:14:20 -70.06, 7.59 131.06 2.37 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230513.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/13/2023 in txt file.

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