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: 1/30/2025
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 02/06/2025 23:08:17 71.07,-172.12 86.48 02/06/2025 23:07:11 71.05,-174.86 86.63 98.76 66
2 02/06/2025 23:59:15 -71.83, -6.15 92.72 02/06/2025 23:58:00 -71.85, -6.15 92.69 1.80 75
3 02/07/2025 00:50:02 71.87, 161.09 87.31 02/07/2025 00:48:52 71.87, 161.16 87.32 2.38 70
4 02/07/2025 01:40:46 -71.90, -31.65 92.67 02/07/2025 01:39:56 -71.89, -31.55 92.67 3.46 50
5 02/07/2025 02:31:32 71.89, 135.69 87.31 02/07/2025 02:30:49 71.86, 135.66 87.29 3.03 43
6 02/07/2025 03:22:16 -71.92, -57.06 92.67 02/07/2025 03:21:53 -71.89, -57.05 92.70 3.65 23
7 02/07/2025 04:13:02 71.90, 110.28 87.31 02/07/2025 04:12:45 71.90, 110.26 87.31 0.56 17
8 02/07/2025 05:03:46 -71.94, -82.46 92.67 02/07/2025 05:03:49 -71.93, -82.45 92.68 0.79 3
9 02/07/2025 05:54:32 71.92, 84.87 87.30 02/07/2025 05:54:41 71.95, 84.87 87.33 3.05 9
10 02/07/2025 06:45:16 -71.95,-107.87 92.68 02/07/2025 06:45:45 -71.97,-107.85 92.66 2.31 29
11 02/07/2025 07:36:03 71.99, 59.37 87.36 02/07/2025 07:36:37 71.99, 59.47 87.35 3.32 34
12 02/07/2025 08:26:46 -71.97,-133.27 92.68 02/07/2025 08:27:42 -71.97,-133.35 92.69 2.64 56
13 02/07/2025 09:17:33 72.01, 33.96 87.35 02/07/2025 09:18:34 71.99, 33.97 87.32 2.39 61
14 02/07/2025 10:08:22 -72.29,-159.27 92.35 02/07/2025 10:09:34 -72.21,-158.35 92.50 32.67 72
15 02/07/2025 10:59:12 72.49, 7.66 87.85 02/07/2025 11:00:21 72.48, 9.49 87.74 61.43 69

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/30/2025
SNOs_Map_NOAA-21_NOAA-19_20250130.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 01/30/2025 in txt file.

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