Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/24/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 06/26/2025 11:43:41 73.92, -6.97 50.89 06/26/2025 11:44:33 73.91, -6.88 50.86 2.93 52
2 06/26/2025 12:34:23 -73.82, 160.57 129.22 06/26/2025 12:33:55 -73.82, 160.58 129.22 0.62 28
3 06/28/2025 22:05:26 -73.92, 17.59 128.99 06/28/2025 22:06:18 -73.92, 17.66 129.01 2.31 52
4 06/28/2025 22:56:10 73.81,-174.85 50.89 06/28/2025 22:55:38 73.84,-174.86 50.92 2.32 32
5 07/01/2025 08:27:13 73.92, 42.15 51.16 07/01/2025 08:28:01 73.93, 42.20 51.16 2.16 48
6 07/01/2025 09:17:55 -73.82,-150.30 128.95 07/01/2025 09:17:23 -73.83,-150.35 128.93 2.02 32
7 07/03/2025 18:48:58 -73.92, 66.70 128.64 07/03/2025 18:49:46 -73.91, 66.67 128.66 1.51 48
8 07/03/2025 19:39:42 73.82,-125.74 51.25 07/03/2025 19:39:06 73.83,-125.84 51.28 3.21 36
9 07/06/2025 05:10:45 73.93, 91.26 51.61 07/06/2025 05:11:28 73.95, 91.28 51.62 2.94 43
10 07/06/2025 06:01:27 -73.83,-101.19 128.50 07/06/2025 06:00:50 -73.85,-101.28 128.47 3.23 37

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/24/2025
SNOs_Map_NOAA-20_TERRA_20250624.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/24/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA