Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/7/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 12/21/2025 17:02:28 73.49, -85.32 97.04 12/21/2025 17:03:34 73.39, -82.41 96.83 92.81 66
2 12/21/2025 17:53:10 -73.35, 82.32 83.13 12/21/2025 17:54:18 -73.31, 84.73 83.26 76.83 68
3 12/21/2025 18:43:51 73.14,-109.91 96.66 12/21/2025 18:45:01 73.12,-108.36 96.57 49.98 70
4 12/21/2025 19:34:34 -73.05, 57.61 83.45 12/21/2025 19:35:46 -72.98, 58.68 83.56 35.38 72
5 12/21/2025 20:25:15 72.84,-134.63 96.33 12/21/2025 20:26:29 72.79,-134.40 96.26 9.60 74
6 12/21/2025 21:15:58 -72.75, 32.88 83.77 12/21/2025 21:17:12 -72.75, 32.86 83.78 1.06 74

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 12/7/2025
SNOs_Map_NOAA-21_METOP-C_20251208.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 12/07/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and METOP-C