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: 1/27/2025
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 71.05,-172.08 86.45 02/06/2025 23:07:11 71.07,-174.83 86.64 99.43 66
2 02/06/2025 23:59:15 -71.81, -6.10 92.75 02/06/2025 23:58:01 -71.81, -6.22 92.72 4.35 74
3 02/07/2025 00:50:02 71.84, 161.14 87.29 02/07/2025 00:48:53 71.83, 161.09 87.29 2.35 69
4 02/07/2025 01:40:46 -71.87, -31.60 92.70 02/07/2025 01:39:57 -71.86, -31.62 92.70 2.09 49
5 02/07/2025 02:31:32 71.86, 135.73 87.28 02/07/2025 02:30:49 71.87, 135.69 87.31 2.00 43
6 02/07/2025 03:22:16 -71.89, -57.01 92.70 02/07/2025 03:21:53 -71.90, -57.02 92.69 1.14 23
7 02/07/2025 04:13:03 71.93, 110.23 87.34 02/07/2025 04:12:45 71.92, 110.29 87.32 2.53 18
8 02/07/2025 05:03:47 -71.96, -82.51 92.65 02/07/2025 05:03:49 -71.94, -82.42 92.67 3.46 2
9 02/07/2025 05:54:33 71.95, 84.83 87.33 02/07/2025 05:54:41 71.96, 84.89 87.34 2.78 8
10 02/07/2025 06:45:17 -71.98,-107.91 92.65 02/07/2025 06:45:45 -71.99,-107.82 92.65 3.37 28
11 02/07/2025 07:36:03 71.96, 59.42 87.33 02/07/2025 07:36:38 71.95, 59.39 87.31 1.44 35
12 02/07/2025 08:26:47 -71.99,-133.32 92.65 02/07/2025 08:27:42 -71.98,-133.32 92.68 1.61 55
13 02/07/2025 09:17:33 71.98, 34.01 87.33 02/07/2025 09:18:34 72.00, 34.00 87.33 1.85 61
14 02/07/2025 10:08:22 -72.27,-159.22 92.38 02/07/2025 10:09:34 -72.23,-158.32 92.48 30.96 72
15 02/07/2025 10:59:13 72.51, 7.61 87.88 02/07/2025 11:00:22 72.44, 9.42 87.71 61.07 69

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/27/2025
SNOs_Map_NOAA-21_NOAA-19_20250128.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 01/27/2025 in txt file.

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