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: 8/30/2025
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 08/31/2025 15:18:31 -70.03, 126.56 118.42 08/31/2025 15:19:08 -70.01, 126.58 118.45 2.98 37
2 08/31/2025 16:09:15 69.92, -65.96 61.48 08/31/2025 16:08:35 69.91, -65.91 61.47 2.66 40
3 09/03/2025 06:44:52 70.61, 74.13 63.14 09/03/2025 06:46:01 70.53, 75.58 63.02 54.48 69
4 09/03/2025 07:35:24 -69.98,-117.57 117.51 09/03/2025 07:35:39 -69.98,-117.58 117.51 0.29 15
5 09/03/2025 08:26:08 69.87, 49.89 62.40 09/03/2025 08:25:06 69.87, 49.92 62.41 0.97 62
6 09/05/2025 23:01:34 70.04,-169.20 63.53 09/05/2025 23:02:39 70.03,-169.26 63.52 2.68 65
7 09/05/2025 23:52:16 -69.93, -1.72 116.57 09/05/2025 23:52:09 -69.92, -1.78 116.58 2.51 7
8 09/06/2025 00:42:53 69.46, 166.28 62.96 09/06/2025 00:41:42 69.48, 165.26 63.01 39.89 71
9 09/08/2025 15:18:27 70.00, -53.36 64.49 09/08/2025 15:19:09 70.00, -53.43 64.48 2.66 42
10 09/08/2025 16:09:09 -69.89, 114.12 115.61 09/08/2025 16:08:39 -69.89, 114.06 115.61 2.36 30
11 09/11/2025 06:44:52 -70.90,-106.33 113.58 09/11/2025 06:45:59 -70.76,-104.08 113.78 83.90 67
12 09/11/2025 07:35:20 69.98, 62.46 65.48 09/11/2025 07:35:38 69.99, 62.44 65.48 1.33 18
13 09/11/2025 08:26:02 -69.86,-130.06 114.63 09/11/2025 08:25:08 -69.89,-130.07 114.61 2.56 54

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/30/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250831.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 08/30/2025 in txt file.

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