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: 3/29/2025
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 03/29/2025 23:50:36 -70.05, -1.68 113.75 03/29/2025 23:51:39 -70.07, -1.66 113.75 1.57 63
2 03/30/2025 00:41:20 69.92, 165.83 66.10 03/30/2025 00:41:07 69.91, 165.76 66.09 2.94 13
3 03/30/2025 01:31:54 -69.43, -26.13 114.43 03/30/2025 01:30:43 -69.47, -27.21 114.35 42.12 71
4 04/01/2025 16:07:25 -70.01, 114.19 114.84 04/01/2025 16:08:09 -70.03, 114.16 114.82 3.18 44
5 04/01/2025 16:58:10 69.93, -78.39 65.07 04/01/2025 16:57:36 69.93, -78.34 65.07 1.88 34
6 04/04/2025 07:33:48 70.94, 61.17 65.13 04/04/2025 07:34:54 70.83, 63.57 64.93 88.32 66
7 04/04/2025 08:24:14 -70.02,-130.04 115.85 04/04/2025 08:24:37 -70.01,-130.00 115.88 2.46 23
8 04/04/2025 09:14:58 69.90, 37.45 64.01 04/04/2025 09:14:04 69.90, 37.49 64.01 1.74 54
9 04/06/2025 23:50:23 70.19, 178.18 63.32 04/06/2025 23:51:34 70.15, 178.45 63.26 11.11 71
10 04/07/2025 00:41:03 -70.00, -14.21 116.90 04/07/2025 00:41:05 -69.99, -14.14 116.91 3.04 2
11 04/07/2025 01:31:46 69.83, 153.35 62.92 04/07/2025 01:30:33 69.82, 153.27 62.92 3.19 73
12 04/09/2025 16:07:09 70.03, -65.77 62.15 04/09/2025 16:08:03 70.03, -65.83 62.14 2.20 54
13 04/09/2025 16:57:51 -69.94, 101.68 117.96 04/09/2025 16:57:33 -69.93, 101.66 117.97 1.57 18
14 04/09/2025 17:48:20 69.03, -89.70 61.09 04/09/2025 17:47:13 69.10, -91.82 61.22 84.32 67

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/29/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250329.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 03/29/2025 in txt file.

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