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: 1/31/2025
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 02/02/2025 20:14:34 -80.02, 17.67 80.99 02/02/2025 20:14:22 -80.01, 17.78 81.00 2.25 12
2 02/04/2025 23:50:19 80.07, 143.19 98.49 02/04/2025 23:51:04 80.07, 143.10 98.47 1.61 45
3 02/05/2025 00:40:58 -79.92, -47.98 81.81 02/05/2025 00:40:08 -79.92, -47.97 81.79 0.16 50
4 02/07/2025 04:16:45 80.01, 77.17 97.71 02/07/2025 04:16:51 80.02, 77.11 97.71 1.21 6
5 02/09/2025 07:52:30 -80.10,-157.67 82.81 02/09/2025 07:53:31 -80.10,-157.74 82.83 1.34 61
6 02/09/2025 08:43:11 79.96, 11.07 96.92 02/09/2025 08:42:37 79.96, 11.16 96.92 1.80 34
7 02/11/2025 12:18:55 -80.03, 136.48 83.66 02/11/2025 12:19:16 -80.03, 136.38 83.65 2.20 21
8 02/11/2025 13:09:16 79.24, -49.31 94.96 02/11/2025 13:08:03 79.16, -49.76 94.97 13.06 73
9 02/13/2025 15:55:30 81.13,-115.21 98.54 02/13/2025 15:56:43 81.44,-114.54 98.58 36.38 73

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 1/31/2025
SNOs_Map_NOAA-21_PACE_20250201.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 01/31/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE