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: 4/20/2025
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 04/20/2025 07:34:02 70.05, 62.49 58.35 04/20/2025 07:34:57 70.06, 62.45 58.35 2.23 55
2 04/20/2025 08:24:44 -69.96,-130.06 121.76 04/20/2025 08:24:27 -69.94,-130.09 121.78 2.19 17
3 04/20/2025 09:15:14 69.09, 38.50 57.33 04/20/2025 09:14:06 69.18, 36.53 57.48 78.79 68
4 04/22/2025 23:51:00 70.02, 178.29 57.41 04/22/2025 23:51:23 70.03, 178.29 57.41 0.81 23
5 04/23/2025 00:41:42 -69.93, -14.25 122.70 04/23/2025 00:40:53 -69.91, -14.25 122.72 2.00 49
6 04/25/2025 15:17:13 -70.11, 126.60 123.37 04/25/2025 15:18:20 -70.11, 126.66 123.38 2.23 67
7 04/25/2025 16:07:57 70.00, -65.93 56.51 04/25/2025 16:07:47 70.01, -65.85 56.51 2.91 10
8 04/25/2025 16:58:33 -69.59, 102.01 123.93 04/25/2025 16:57:21 -69.67, 101.32 123.83 28.34 72
9 04/28/2025 07:34:10 -70.05,-117.54 124.29 04/28/2025 07:34:45 -70.06,-117.53 124.28 1.42 35
10 04/28/2025 08:24:54 69.94, 49.93 55.59 04/28/2025 08:24:12 69.95, 49.96 55.60 1.58 42
11 04/30/2025 23:00:27 70.21,-169.35 55.07 04/30/2025 23:01:38 70.19,-169.08 55.03 10.21 71
12 04/30/2025 23:51:07 -69.99, -1.70 125.17 04/30/2025 23:51:09 -70.02, -1.68 125.15 3.21 2
13 05/01/2025 00:41:50 69.84, 165.84 54.66 05/01/2025 00:40:37 69.85, 165.73 54.68 4.63 73
14 05/03/2025 15:17:22 70.06, -53.36 54.12 05/03/2025 15:18:03 70.05, -53.37 54.10 1.28 41
15 05/03/2025 16:08:04 -69.95, 114.13 126.01 05/03/2025 16:07:33 -69.94, 114.11 126.02 0.97 31

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/20/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250420.jpg

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

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