Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/15/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 09/17/2025 16:45:39 79.93,-109.48 79.93 09/17/2025 16:46:07 79.93,-109.58 79.93 2.02 28
2 09/17/2025 17:36:18 -79.76, 59.41 100.35 09/17/2025 17:35:13 -79.77, 59.37 100.32 0.77 65
3 09/19/2025 21:12:06 80.00,-176.81 80.89 09/19/2025 21:13:06 80.01,-176.93 80.88 2.38 60
4 09/19/2025 22:02:45 -79.84, -7.91 99.40 09/19/2025 22:02:12 -79.84, -7.93 99.38 0.38 33
5 09/22/2025 02:29:12 -79.92, -75.26 98.43 09/22/2025 02:29:11 -79.92, -75.31 98.42 1.32 1
6 09/24/2025 06:55:40 -80.02,-142.93 97.41 09/24/2025 06:56:10 -80.02,-142.79 97.44 2.77 30
7 09/24/2025 07:46:17 79.77, 26.86 82.15 09/24/2025 07:45:13 79.77, 26.79 82.18 1.30 64
8 09/26/2025 11:22:05 -80.04, 150.25 96.55 09/26/2025 11:23:07 -80.05, 150.21 96.56 1.20 62
9 09/26/2025 12:12:45 79.88, -40.81 83.18 09/26/2025 12:12:12 79.88, -40.78 83.18 0.67 33

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 9/15/2025
SNOs_Map_NOAA-21_PACE_20250916.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 09/15/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE