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: 6/20/2025
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 07/02/2025 07:17:32 70.26, 66.69 47.23 07/02/2025 07:16:24 70.23, 64.44 47.33 84.79 68
2 07/02/2025 08:08:27 -70.86,-126.95 132.13 07/02/2025 08:07:13 -70.85,-127.29 132.11 12.42 74
3 07/02/2025 08:59:16 71.00, 40.12 48.02 07/02/2025 08:58:06 70.98, 40.21 48.01 3.58 70
4 07/02/2025 09:49:59 -70.96,-152.51 132.01 07/02/2025 09:49:07 -70.97,-152.56 131.99 2.17 52
5 07/02/2025 10:40:46 71.00, 14.74 48.03 07/02/2025 10:40:02 71.00, 14.76 48.04 0.80 44
6 07/02/2025 11:31:30 -71.02,-177.98 131.95 07/02/2025 11:31:03 -70.99,-178.01 131.97 3.10 27
7 07/02/2025 12:22:16 71.00, -10.64 48.04 07/02/2025 12:21:58 71.02, -10.68 48.07 2.73 18
8 07/02/2025 13:13:01 -71.08, 156.56 131.88 07/02/2025 13:12:58 -71.07, 156.64 131.90 3.07 3
9 07/02/2025 14:03:47 71.06, -36.11 48.11 07/02/2025 14:03:54 71.05, -36.13 48.09 1.71 7
10 07/02/2025 14:54:31 -71.08, 131.18 131.88 07/02/2025 14:54:54 -71.09, 131.19 131.87 1.06 23
11 07/02/2025 15:45:17 71.06, -61.49 48.12 07/02/2025 15:45:50 71.07, -61.58 48.12 3.05 33
12 07/02/2025 16:36:02 -71.13, 105.71 131.81 07/02/2025 16:36:50 -71.11, 105.74 131.85 3.22 48
13 07/02/2025 17:26:48 71.12, -86.96 48.18 07/02/2025 17:27:45 71.14, -86.93 48.19 2.61 57
14 07/02/2025 18:17:32 -71.14, 80.33 131.80 07/02/2025 18:18:46 -71.13, 80.30 131.82 1.44 74
15 07/02/2025 19:08:24 71.44,-112.89 48.52 07/02/2025 19:09:36 71.42,-111.91 48.45 34.60 72

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 6/20/2025
SNOs_Map_NOAA-21_NOAA-19_20250620.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 06/20/2025 in txt file.

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