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: 3/25/2025
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 03/26/2025 00:16:06 69.97, 172.07 67.73 03/26/2025 00:16:36 69.96, 172.03 67.71 1.96 30
2 03/26/2025 01:06:47 -69.85, -20.44 112.41 03/26/2025 01:06:06 -69.85, -20.49 112.41 2.16 41
3 03/28/2025 15:42:21 -70.56, 119.63 112.69 03/28/2025 15:43:30 -70.45, 120.98 112.86 51.55 69
4 03/28/2025 16:32:56 69.96, -72.12 66.67 03/28/2025 16:33:04 69.96, -72.08 66.66 1.54 8
5 03/28/2025 17:23:37 -69.84, 95.38 113.48 03/28/2025 17:22:34 -69.85, 95.40 113.46 1.71 63
6 03/31/2025 07:59:00 -70.04,-123.76 114.28 03/31/2025 08:00:03 -70.06,-123.71 114.28 2.71 63
7 03/31/2025 08:49:44 69.92, 43.74 65.57 03/31/2025 08:49:31 69.89, 43.70 65.55 3.20 13
8 03/31/2025 09:40:18 -69.42,-148.22 114.96 03/31/2025 09:39:07 -69.45,-149.26 114.89 40.88 71
9 04/03/2025 00:15:49 -70.01, -7.92 115.35 04/03/2025 00:16:29 -70.03, -7.86 115.35 2.61 40
10 04/03/2025 01:06:33 69.89, 159.57 64.51 04/03/2025 01:05:56 69.91, 159.62 64.53 2.65 37
11 04/05/2025 15:42:07 70.66, -60.46 64.32 04/05/2025 15:43:15 70.57, -58.81 64.17 61.93 68
12 04/05/2025 16:32:37 -69.95, 107.97 116.45 04/05/2025 16:32:54 -69.97, 107.96 116.42 2.79 17
13 04/05/2025 17:23:21 69.83, -84.54 63.43 04/05/2025 17:22:21 69.85, -84.56 63.45 2.20 60

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/25/2025
SNOs_Map_NOAA-20_LANDSAT-9_20250325.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/25/2025 in txt file.

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