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: 8/4/2025
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 08/04/2025 05:17:21 70.89, 95.77 53.76 08/04/2025 05:18:00 70.88, 95.71 53.75 2.50 39
2 08/04/2025 06:08:06 -70.93, -96.98 126.19 08/04/2025 06:08:53 -70.94, -96.91 126.19 2.54 47
3 08/04/2025 06:58:52 70.95, 70.30 53.84 08/04/2025 06:59:55 70.95, 70.35 53.83 1.69 63
4 08/04/2025 07:49:36 -70.93,-122.36 126.17 08/04/2025 07:50:49 -70.96,-122.37 126.16 2.55 73
5 08/04/2025 08:40:32 71.47, 44.02 54.42 08/04/2025 08:41:42 71.43, 45.73 54.30 60.47 70

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_NOAA-21_NOAA-19_20250804.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/04/2025 in txt file.

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