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: 3/2/2025
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 03/04/2025 15:42:45 70.02, -59.68 76.23 03/04/2025 15:43:48 70.04, -59.62 76.23 2.66 63
2 03/04/2025 16:33:26 -69.90, 107.82 103.91 03/04/2025 16:33:18 -69.93, 107.86 103.89 3.19 8
3 03/04/2025 17:24:03 69.39, -84.12 75.54 03/04/2025 17:22:52 69.43, -85.17 75.64 41.15 71
4 03/07/2025 07:59:37 69.99, 56.15 75.16 03/07/2025 08:00:17 70.00, 56.20 75.15 2.12 40
5 03/07/2025 08:50:18 -69.87,-136.35 104.99 03/07/2025 08:49:47 -69.89,-136.31 104.97 2.46 31
6 03/09/2025 23:25:59 -70.84, 3.28 104.98 03/09/2025 23:27:06 -70.72, 5.49 105.21 82.38 67
7 03/10/2025 00:16:28 69.93, 172.03 74.04 03/10/2025 00:16:45 69.95, 172.02 74.05 2.18 17
8 03/10/2025 01:07:09 -69.86, -20.54 106.06 03/10/2025 01:06:14 -69.84, -20.50 106.07 2.49 55
9 03/12/2025 15:42:34 -70.00, 120.40 106.93 03/12/2025 15:43:44 -70.00, 120.34 106.95 2.35 70
10 03/12/2025 16:33:19 69.93, -72.18 72.98 03/12/2025 16:33:10 69.94, -72.11 72.98 3.07 9
11 03/12/2025 17:23:56 -69.59, 95.64 107.40 03/12/2025 17:22:43 -69.67, 95.16 107.29 20.55 73
12 03/15/2025 07:59:25 -69.96,-123.75 108.04 03/15/2025 08:00:09 -69.98,-123.79 108.03 2.92 44
13 03/15/2025 08:50:10 69.89, 43.67 71.87 03/15/2025 08:49:36 69.86, 43.68 71.85 2.89 34

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/2/2025
SNOs_Map_NOAA-20_LANDSAT-9_20250302.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/02/2025 in txt file.

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