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: 3/6/2025
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 03/07/2025 22:28:10 80.14, 162.91 87.60 03/07/2025 22:29:16 80.13, 163.06 87.55 2.77 66
2 03/07/2025 23:18:46 -79.89, -27.22 92.90 03/07/2025 23:18:20 -79.90, -27.31 92.87 1.99 26
3 03/10/2025 03:45:18 -80.07, -95.64 93.42 03/10/2025 03:45:57 -80.06, -95.52 93.46 2.56 39
4 03/10/2025 04:35:57 79.89, 73.52 86.22 03/10/2025 04:35:03 79.88, 73.61 86.23 1.85 54
5 03/12/2025 09:02:25 79.96, 6.21 85.49 03/12/2025 09:02:37 79.96, 6.10 85.50 2.25 12
6 03/14/2025 13:31:08 80.82,-110.78 92.31 03/14/2025 13:32:20 81.68,-112.21 92.48 98.97 72
7 03/14/2025 14:19:36 -79.98, 106.72 95.37 03/14/2025 14:19:19 -79.97, 106.84 95.38 2.35 17
8 03/16/2025 18:46:03 -80.02, 39.66 96.16 03/16/2025 18:46:51 -80.03, 39.53 96.16 2.39 48
9 03/16/2025 19:36:43 79.88,-151.59 83.56 03/16/2025 19:35:58 79.88,-151.60 83.59 0.43 45
10 03/19/2025 00:03:12 79.99, 140.69 82.90 03/19/2025 00:03:31 79.99, 140.64 82.89 0.87 19

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 3/6/2025
SNOs_Map_NOAA-21_PACE_20250307.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 03/06/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE