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: 7/2/2025
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 07/02/2025 07:17:32 70.25, 66.71 47.22 07/02/2025 07:16:24 70.24, 64.45 47.34 84.87 68
2 07/02/2025 08:08:27 -70.86,-126.95 132.13 07/02/2025 08:07:13 -70.85,-127.29 132.12 12.51 74
3 07/02/2025 08:59:16 70.99, 40.14 48.01 07/02/2025 08:58:06 70.99, 40.22 48.02 3.02 70
4 07/02/2025 09:49:59 -70.97,-152.51 132.01 07/02/2025 09:49:07 -70.97,-152.56 132.00 1.99 52
5 07/02/2025 10:40:46 70.99, 14.76 48.02 07/02/2025 10:40:02 71.01, 14.78 48.05 2.51 44
6 07/02/2025 11:31:30 -71.02,-177.98 131.95 07/02/2025 11:31:02 -71.04,-177.92 131.92 3.04 28
7 07/02/2025 12:22:17 71.05, -10.71 48.08 07/02/2025 12:21:58 71.03, -10.67 48.07 2.04 19
8 07/02/2025 13:13:01 -71.08, 156.55 131.88 07/02/2025 13:12:58 -71.06, 156.63 131.90 3.29 3
9 07/02/2025 14:03:47 71.05, -36.09 48.09 07/02/2025 14:03:54 71.06, -36.11 48.10 1.04 7
10 07/02/2025 14:54:31 -71.08, 131.17 131.87 07/02/2025 14:54:54 -71.08, 131.19 131.87 0.60 23
11 07/02/2025 15:45:18 71.11, -61.56 48.16 07/02/2025 15:45:50 71.08, -61.56 48.13 3.13 32
12 07/02/2025 16:36:01 -71.09, 105.79 131.86 07/02/2025 16:36:50 -71.11, 105.74 131.85 2.96 49
13 07/02/2025 17:26:48 71.11, -86.94 48.17 07/02/2025 17:27:46 71.10, -87.00 48.15 2.49 58
14 07/02/2025 18:17:32 -71.14, 80.32 131.80 07/02/2025 18:18:46 -71.13, 80.29 131.82 1.87 74
15 07/02/2025 19:08:25 71.48,-112.96 48.57 07/02/2025 19:09:36 71.43,-111.89 48.46 38.04 71

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/2/2025
SNOs_Map_NOAA-21_NOAA-19_20250702.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/02/2025 in txt file.

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