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: 4/9/2025
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 04/09/2025 16:07:35 69.98, -65.82 62.10 04/09/2025 16:08:03 69.99, -65.90 62.10 3.10 28
2 04/09/2025 16:58:17 -69.91, 101.61 118.00 04/09/2025 16:57:32 -69.93, 101.65 117.98 2.47 45
3 04/12/2025 07:33:50 -70.09,-117.54 118.77 04/12/2025 07:35:02 -70.08,-117.52 118.79 1.23 72
4 04/12/2025 08:24:34 69.96, 49.97 61.09 04/12/2025 08:24:29 69.98, 49.97 61.10 1.71 5
5 04/12/2025 09:15:13 -69.72,-142.36 119.18 04/12/2025 09:14:01 -69.75,-142.70 119.13 13.76 72
6 04/14/2025 23:50:48 -70.03, -1.68 119.81 04/14/2025 23:51:28 -70.03, -1.71 119.81 1.06 40
7 04/15/2025 00:41:32 69.90, 165.81 60.05 04/15/2025 00:40:55 69.92, 165.78 60.07 2.26 37
8 04/17/2025 15:17:09 70.33, -53.71 59.57 04/17/2025 15:18:20 70.26, -53.12 59.48 23.49 71
9 04/17/2025 16:07:46 -69.97, 114.16 120.82 04/17/2025 16:07:53 -69.98, 114.12 120.81 1.84 7
10 04/17/2025 16:58:30 69.85, -78.36 59.05 04/17/2025 16:57:20 69.87, -78.39 59.08 2.22 70
11 04/20/2025 07:34:01 70.03, 62.51 58.33 04/20/2025 07:34:46 70.05, 62.48 58.35 2.87 45
12 04/20/2025 08:24:43 -69.93,-130.02 121.79 04/20/2025 08:24:16 -69.94,-130.04 121.78 1.62 27
13 04/22/2025 23:00:25 -70.63, 10.01 121.94 04/22/2025 23:01:35 -70.52, 11.41 122.10 53.26 70
14 04/22/2025 23:50:59 70.00, 178.31 57.40 04/22/2025 23:51:09 70.02, 178.34 57.41 1.88 10
15 04/23/2025 00:41:41 -69.90, -14.21 122.73 04/23/2025 00:40:39 -69.91, -14.18 122.71 1.74 62

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/9/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250409.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/09/2025 in txt file.

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