Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/10/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/12/2025 07:33:52 -70.21,-117.71 118.65 04/12/2025 07:35:03 -70.16,-117.43 118.72 12.04 71
2 04/12/2025 08:24:34 69.97, 49.95 61.09 04/12/2025 08:24:32 69.94, 49.91 61.07 3.32 2
3 04/12/2025 09:15:15 -69.84,-142.53 119.06 04/12/2025 09:14:02 -69.83,-142.61 119.06 3.18 73
4 04/14/2025 23:50:48 -70.03, -1.69 119.80 04/14/2025 23:51:33 -70.02, -1.74 119.82 2.13 45
5 04/15/2025 00:41:32 69.91, 165.81 60.06 04/15/2025 00:41:00 69.91, 165.75 60.07 2.09 32
6 04/17/2025 15:17:14 70.59, -54.13 59.85 04/17/2025 15:18:23 70.50, -52.80 59.71 50.44 69
7 04/17/2025 16:07:47 -70.03, 114.07 120.76 04/17/2025 16:08:00 -70.00, 114.12 120.79 3.07 13
8 04/17/2025 16:58:31 69.91, -78.44 59.11 04/17/2025 16:57:27 69.89, -78.39 59.10 2.52 64
9 04/20/2025 07:34:03 70.08, 62.44 58.38 04/20/2025 07:34:56 70.10, 62.51 58.39 3.67 53
10 04/20/2025 08:24:44 -69.93,-130.02 121.79 04/20/2025 08:24:27 -69.94,-130.09 121.78 2.87 17
11 04/20/2025 09:15:14 69.07, 38.53 57.31 04/20/2025 09:14:07 69.10, 36.44 57.41 83.07 67
12 04/22/2025 23:51:00 70.05, 178.24 57.44 04/22/2025 23:51:21 70.04, 178.31 57.43 2.95 21
13 04/23/2025 00:41:41 -69.89, -14.21 122.74 04/23/2025 00:40:52 -69.88, -14.28 122.74 3.03 49

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/10/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250410.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/10/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8