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: 2/2/2025
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 02/07/2025 01:41:15 -71.51, -31.08 93.10 02/07/2025 01:40:03 -71.51, -32.27 93.01 42.06 72
2 02/07/2025 02:32:05 71.68, 135.92 87.08 02/07/2025 02:30:52 71.69, 135.33 87.14 20.42 73
3 02/07/2025 03:22:52 -71.87, -57.12 92.73 02/07/2025 03:21:53 -71.86, -57.10 92.72 0.82 59
4 02/07/2025 04:13:39 71.88, 110.16 87.29 02/07/2025 04:12:45 71.88, 110.22 87.29 2.34 54
5 02/07/2025 05:04:23 -71.92, -82.59 92.69 02/07/2025 05:03:49 -71.91, -82.50 92.70 3.53 34
6 02/07/2025 05:55:09 71.89, 84.78 87.27 02/07/2025 05:54:42 71.88, 84.73 87.27 2.13 27
7 02/07/2025 06:45:53 -71.92,-107.97 92.71 02/07/2025 06:45:46 -71.90,-108.00 92.73 2.67 7
8 02/07/2025 07:36:40 71.94, 59.31 87.30 02/07/2025 07:36:38 71.92, 59.33 87.28 2.22 2
9 02/07/2025 08:27:23 -71.92,-133.35 92.73 02/07/2025 08:27:42 -71.94,-133.40 92.71 2.83 19
10 02/07/2025 09:18:10 71.94, 33.93 87.28 02/07/2025 09:18:34 71.96, 33.93 87.30 2.62 24
11 02/07/2025 10:08:54 -71.98,-158.82 92.70 02/07/2025 10:09:38 -71.99,-158.80 92.70 1.39 44
12 02/07/2025 10:59:41 71.99, 8.45 87.32 02/07/2025 11:00:30 72.01, 8.53 87.32 3.05 49
13 02/07/2025 11:50:25 -72.03, 175.71 92.66 02/07/2025 11:51:34 -72.03, 175.80 92.68 3.35 69
14 02/07/2025 12:41:13 72.10, -17.12 87.41 02/07/2025 12:42:26 72.05, -16.87 87.33 10.01 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 2/2/2025
SNOs_Map_NOAA-21_NOAA-19_20250202.jpg

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

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