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: 8/14/2025
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 08/15/2025 17:05:00 80.16,-116.70 68.90 08/15/2025 17:06:13 80.19,-116.52 68.86 4.67 73
2 08/15/2025 17:55:32 -79.77, 54.53 111.84 08/15/2025 17:55:11 -79.78, 54.41 111.81 2.62 21
3 08/17/2025 22:22:02 -79.90, -13.31 110.92 08/17/2025 22:22:17 -79.90, -13.27 110.93 0.76 15
4 08/20/2025 02:48:31 -80.00, -80.91 110.04 08/20/2025 02:49:22 -80.00, -80.77 110.08 2.66 51
5 08/20/2025 03:39:08 79.77, 88.64 69.55 08/20/2025 03:38:27 79.77, 88.66 69.56 0.68 41
6 08/22/2025 08:05:36 79.85, 21.33 70.40 08/22/2025 08:05:31 79.85, 21.33 70.40 0.38 5
7 08/24/2025 12:32:04 79.92, -46.01 71.26 08/24/2025 12:32:35 79.93, -46.09 71.26 1.90 31
8 08/24/2025 13:22:44 -79.76, 122.83 109.03 08/24/2025 13:21:40 -79.75, 122.94 109.02 2.40 64
9 08/26/2025 16:58:33 80.03,-113.67 72.19 08/26/2025 16:59:39 80.03,-113.61 72.15 1.10 66

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 8/14/2025
SNOs_Map_NOAA-21_PACE_20250815.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 08/14/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE