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: 12/27/2023
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 12/27/2023 22:24:27 -70.77, 19.21 85.97 12/27/2023 22:25:36 -70.68, 20.92 86.10 63.54 69
2 12/27/2023 23:14:59 70.03,-172.32 93.27 12/27/2023 23:15:13 70.04,-172.39 93.28 2.67 14
3 12/28/2023 00:05:41 -69.94, -4.86 86.83 12/28/2023 00:04:43 -69.92, -4.91 86.84 2.80 58
4 12/30/2023 14:41:09 -70.13, 135.99 86.77 12/30/2023 14:42:14 -70.12, 135.98 86.79 1.51 65
5 12/30/2023 15:31:53 70.03, -56.53 93.12 12/30/2023 15:31:41 70.02, -56.53 93.11 1.14 12
6 12/30/2023 16:22:28 -69.56, 111.48 87.36 12/30/2023 16:21:16 -69.63, 110.57 87.27 36.08 72
7 01/02/2024 06:58:02 -70.08,-108.15 87.02 01/02/2024 06:58:42 -70.07,-108.21 87.04 2.71 40
8 01/02/2024 07:48:46 69.98, 59.32 92.87 01/02/2024 07:48:09 69.96, 59.28 92.86 2.33 37
9 01/04/2024 22:24:21 70.61,-160.52 93.29 01/04/2024 22:25:31 70.53,-159.29 93.17 46.81 70
10 01/04/2024 23:14:54 -70.04, 7.69 87.31 01/04/2024 23:15:08 -70.04, 7.63 87.32 2.34 14
11 01/05/2024 00:05:38 69.94, 175.16 92.58 01/05/2024 00:04:35 69.93, 175.12 92.57 2.00 63
12 01/07/2024 14:41:05 70.11, -43.95 92.46 01/07/2024 14:42:04 70.13, -43.98 92.47 2.48 59
13 01/07/2024 15:31:47 -70.01, 123.52 87.65 01/07/2024 15:31:34 -70.02, 123.51 87.64 1.88 13
14 01/07/2024 16:22:20 69.32, -68.16 91.63 01/07/2024 16:21:11 69.35, -69.76 91.72 63.00 69

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/27/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231227.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/27/2023 in txt file.

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