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: 6/18/2025
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 06/19/2025 04:38:21 -73.84, -80.46 129.32 06/19/2025 04:39:22 -73.86, -80.55 129.31 3.43 61
2 06/19/2025 05:29:06 73.79, 86.97 50.63 06/19/2025 05:28:41 73.80, 87.01 50.65 2.37 25
3 06/21/2025 15:00:09 73.88, -56.00 50.73 06/21/2025 15:01:05 73.89, -55.95 50.72 2.46 56
4 06/21/2025 15:50:52 -73.83, 111.44 129.33 06/21/2025 15:50:27 -73.81, 111.54 129.35 3.42 25
5 06/24/2025 01:21:53 -73.87, -31.42 129.25 06/24/2025 01:22:50 -73.88, -31.46 129.25 2.04 57
6 06/24/2025 02:12:38 73.82, 136.01 50.70 06/24/2025 02:12:09 73.84, 136.11 50.72 3.45 29
7 06/26/2025 11:43:41 73.92, -6.98 50.89 06/26/2025 11:44:33 73.89, -6.92 50.85 3.31 52
8 06/26/2025 12:34:23 -73.82, 160.58 129.23 06/26/2025 12:33:55 -73.81, 160.56 129.23 1.43 28
9 06/28/2025 22:05:26 -73.92, 17.59 129.00 06/28/2025 22:06:18 -73.90, 17.61 129.03 2.40 52
10 06/28/2025 22:56:10 73.82,-174.87 50.90 06/28/2025 22:55:38 73.80,-174.93 50.89 2.84 32
11 07/01/2025 08:27:13 73.93, 42.13 51.18 07/01/2025 08:28:00 73.93, 42.21 51.16 2.52 47
12 07/01/2025 09:17:55 -73.82,-150.31 128.94 07/01/2025 09:17:22 -73.84,-150.33 128.92 1.71 33

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/18/2025
SNOs_Map_NOAA-20_TERRA_20250618.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/18/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA