Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/23/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 02/23/2025 04:13:49 71.76, 110.30 81.67 02/23/2025 04:12:48 71.78, 110.35 81.69 2.43 61
2 02/23/2025 05:04:33 -71.80, -82.45 98.31 02/23/2025 05:03:49 -71.79, -82.38 98.31 2.45 44
3 02/23/2025 05:55:19 71.77, 84.92 81.64 02/23/2025 05:54:45 71.77, 84.85 81.66 2.69 34
4 02/23/2025 06:46:03 -71.80,-107.83 98.33 02/23/2025 06:45:46 -71.78,-107.89 98.35 3.22 17
5 02/23/2025 07:36:50 71.82, 59.45 81.68 02/23/2025 07:36:41 71.81, 59.44 81.67 1.04 9
6 02/23/2025 08:27:33 -71.81,-133.21 98.36 02/23/2025 08:27:42 -71.82,-133.29 98.34 3.38 9
7 02/23/2025 09:18:20 71.82, 34.07 81.65 02/23/2025 09:18:37 71.85, 34.04 81.68 3.37 17
8 02/23/2025 10:09:04 -71.86,-158.68 98.32 02/23/2025 10:09:38 -71.86,-158.70 98.33 0.52 34
9 02/23/2025 10:59:51 71.88, 8.59 81.69 02/23/2025 11:00:33 71.89, 8.63 81.69 2.32 42
10 02/23/2025 11:50:35 -71.92, 175.84 98.29 02/23/2025 11:51:34 -71.90, 175.90 98.32 2.40 59
11 02/23/2025 12:41:21 71.88, -16.79 81.67 02/23/2025 12:42:30 71.89, -16.87 81.66 2.67 69
12 02/23/2025 13:32:13 -72.33, 149.67 97.87 02/23/2025 13:33:23 -72.30, 151.20 97.99 51.62 70
13 02/23/2025 14:23:06 72.65, -43.68 82.48 02/23/2025 14:24:12 72.63, -40.84 82.30 94.22 66

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/23/2025
SNOs_Map_NOAA-21_NOAA-19_20250223.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 02/23/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and NOAA-19