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: 6/21/2025
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 06/21/2025 15:00:08 73.85, -55.94 50.70 06/21/2025 15:01:05 73.87, -56.00 50.71 2.98 57
2 06/21/2025 15:50:51 -73.80, 111.49 129.36 06/21/2025 15:50:27 -73.79, 111.49 129.37 1.89 24
3 06/24/2025 01:21:54 -73.90, -31.48 129.22 06/24/2025 01:22:51 -73.87, -31.50 129.26 3.47 57
4 06/24/2025 02:12:38 73.79, 136.08 50.67 06/24/2025 02:12:10 73.82, 136.08 50.70 3.13 28
5 06/26/2025 11:43:41 73.89, -6.90 50.85 06/26/2025 11:44:34 73.89, -6.93 50.84 0.95 53
6 06/26/2025 12:34:23 -73.79, 160.65 129.26 06/26/2025 12:33:56 -73.80, 160.54 129.24 3.52 27
7 06/28/2025 22:05:26 -73.89, 17.67 129.03 06/28/2025 22:06:19 -73.90, 17.61 129.03 2.58 53
8 06/28/2025 22:56:11 73.83,-174.89 50.91 06/28/2025 22:55:39 73.81,-174.91 50.90 2.47 32
9 07/01/2025 08:27:14 73.93, 42.12 51.18 07/01/2025 08:28:02 73.91, 42.14 51.14 2.87 48
10 07/01/2025 09:17:56 -73.83,-150.33 128.93 07/01/2025 09:17:24 -73.81,-150.40 128.94 3.30 32
11 07/03/2025 18:48:58 -73.93, 66.68 128.63 07/03/2025 18:49:45 -73.94, 66.74 128.63 2.13 47
12 07/03/2025 19:39:42 73.83,-125.77 51.27 07/03/2025 19:39:05 73.85,-125.78 51.30 2.67 37

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/21/2025
SNOs_Map_NOAA-20_TERRA_20250621.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/21/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA