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: 7/23/2025
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 07/24/2025 17:17:32 79.93,-117.47 62.67 07/24/2025 17:18:41 79.94,-117.55 62.65 1.63 69
2 07/24/2025 18:08:12 -79.78, 51.29 117.61 07/24/2025 18:07:46 -79.78, 51.37 117.61 1.57 26
3 07/26/2025 22:34:41 -79.86, -16.07 116.98 07/26/2025 22:34:54 -79.86, -16.02 117.00 0.96 13
4 07/29/2025 03:01:09 -79.91, -83.17 116.39 07/29/2025 03:02:01 -79.92, -83.22 116.41 1.03 52
5 07/29/2025 03:51:47 79.71, 86.08 63.25 07/29/2025 03:51:07 79.71, 85.98 63.28 2.03 40
6 07/31/2025 08:18:18 79.86, 18.09 64.04 07/31/2025 08:18:16 79.86, 18.16 64.03 1.42 2
7 08/02/2025 12:44:45 79.88, -48.78 64.64 08/02/2025 12:45:22 79.90, -48.92 64.65 3.20 37
8 08/02/2025 13:35:24 -79.69, 120.35 115.71 08/02/2025 13:34:26 -79.69, 120.27 115.67 1.69 58
9 08/04/2025 17:11:56 80.95,-130.18 67.75 08/04/2025 17:13:09 81.21,-129.42 67.76 32.31 73

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_NOAA-21_PACE_20250724.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 07/23/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE