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: 9/12/2025
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 09/13/2025 07:02:08 -80.03,-144.62 101.53 09/13/2025 07:03:05 -80.03,-144.57 101.56 0.87 57
2 09/13/2025 07:52:47 79.84, 24.56 78.15 09/13/2025 07:52:10 79.84, 24.62 78.15 1.20 37
3 09/15/2025 12:19:12 79.85, -42.13 78.98 09/15/2025 12:19:08 79.86, -42.27 79.00 2.81 4
4 09/17/2025 16:45:40 79.95,-109.72 79.98 09/17/2025 16:46:08 79.96,-109.80 79.98 1.69 28
5 09/17/2025 17:36:19 -79.79, 59.19 100.31 09/17/2025 17:35:14 -79.79, 59.18 100.28 0.34 65
6 09/19/2025 21:12:06 80.00,-176.74 80.88 09/19/2025 21:13:06 80.00,-176.84 80.86 1.97 60
7 09/19/2025 22:02:46 -79.86, -8.11 99.36 09/19/2025 22:02:13 -79.86, -8.10 99.35 0.32 33
8 09/22/2025 02:29:12 -79.91, -75.14 98.45 09/22/2025 02:29:11 -79.91, -75.18 98.45 0.62 1
9 09/24/2025 06:55:38 -79.95,-142.19 97.55 09/24/2025 06:56:09 -79.96,-142.34 97.54 2.93 31
10 09/24/2025 07:46:18 79.79, 26.70 82.18 09/24/2025 07:45:14 79.79, 26.67 82.21 0.62 64
11 09/26/2025 11:22:05 -80.03, 150.44 96.58 09/26/2025 11:23:07 -80.02, 150.42 96.61 0.49 62

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 9/12/2025
SNOs_Map_NOAA-21_PACE_20250913.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 09/12/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE