Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/16/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 06/16/2025 14:03:22 70.15, -34.60 46.73 06/16/2025 14:04:28 70.15, -34.67 46.72 2.82 66
2 06/16/2025 14:54:04 -70.09, 132.81 133.33 06/16/2025 14:53:57 -70.09, 132.88 133.34 2.75 7
3 06/16/2025 15:44:41 69.57, -59.10 46.12 06/16/2025 15:43:30 69.66, -60.08 46.25 39.02 71
4 06/19/2025 06:20:18 70.16, 81.15 46.69 06/19/2025 06:20:58 70.14, 81.19 46.66 3.12 40
5 06/19/2025 07:10:59 -70.05,-111.36 133.43 06/19/2025 07:10:28 -70.03,-111.33 133.45 2.56 31
6 06/21/2025 21:46:43 -70.95, 28.33 132.49 06/21/2025 21:47:50 -70.87, 30.52 132.64 80.08 67
7 06/21/2025 22:37:14 70.13,-163.04 46.65 06/21/2025 22:37:29 70.11,-162.97 46.63 3.36 15
8 06/21/2025 23:27:55 -70.01, 4.46 133.47 06/21/2025 23:26:59 -70.01, 4.52 133.48 2.40 56
9 06/24/2025 14:03:25 -70.19, 145.33 133.25 06/24/2025 14:04:33 -70.18, 145.37 133.27 1.70 68
10 06/24/2025 14:54:09 70.05, -47.15 46.61 06/24/2025 14:54:00 70.07, -47.15 46.63 2.08 9
11 06/24/2025 15:44:46 -69.72, 120.66 133.74 06/24/2025 15:43:34 -69.75, 120.04 133.68 24.46 72
12 06/27/2025 06:20:20 -70.11, -98.79 133.24 06/27/2025 06:21:04 -70.12, -98.84 133.23 2.35 44
13 06/27/2025 07:11:05 70.03, 68.64 46.69 06/27/2025 07:10:31 70.01, 68.65 46.67 2.47 34
14 06/29/2025 21:46:45 70.80,-151.44 47.64 06/29/2025 21:47:54 70.69,-149.75 47.46 63.15 69
15 06/29/2025 22:37:15 -70.09, 17.01 133.11 06/29/2025 22:37:33 -70.10, 17.02 133.11 1.36 18
16 06/29/2025 23:27:59 69.96,-175.49 46.76 06/29/2025 23:27:00 69.98,-175.51 46.79 2.48 59

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/16/2025
SNOs_Map_NOAA-21_LANDSAT-8_20250616.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/16/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8