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: 4/21/2025
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 04/21/2025 18:15:54 -73.62, 75.59 118.33 04/21/2025 18:16:58 -73.60, 75.68 118.37 3.32 64
2 04/21/2025 19:06:38 73.52,-116.87 61.55 04/21/2025 19:06:18 73.52,-116.81 61.56 2.19 20
3 04/24/2025 04:37:40 73.69, 99.98 60.94 04/24/2025 04:38:52 73.64, 100.23 60.86 9.97 72
4 04/24/2025 05:28:21 -73.54, -92.34 119.25 04/24/2025 05:28:14 -73.55, -92.28 119.23 2.79 7
5 04/24/2025 06:18:52 72.79, 76.61 59.93 04/24/2025 06:17:46 72.82, 73.97 60.13 87.00 66
6 04/26/2025 14:59:32 -74.15, 123.43 119.34 04/26/2025 15:00:40 -74.06, 125.61 119.56 67.21 68
7 04/26/2025 15:50:05 73.53, -67.75 59.95 04/26/2025 15:50:08 73.54, -67.82 59.97 2.95 3
8 04/26/2025 16:40:45 -73.32, 100.04 120.29 04/26/2025 16:39:32 -73.36, 99.48 120.20 18.75 73
9 04/29/2025 02:11:48 -73.55, -43.23 120.79 04/29/2025 02:12:03 -73.57, -43.28 120.77 3.22 15
10 04/29/2025 03:02:32 73.47, 124.27 59.11 04/29/2025 03:01:23 73.47, 124.17 59.13 3.24 69
11 05/01/2025 12:33:32 73.56, -18.69 58.48 05/01/2025 12:33:55 73.58, -18.78 58.50 3.38 23
12 05/01/2025 13:24:15 -73.49, 148.79 121.61 05/01/2025 13:23:17 -73.52, 148.76 121.57 3.40 58
13 05/03/2025 22:55:15 -73.59, 5.81 122.21 05/03/2025 22:55:49 -73.61, 5.76 122.20 2.62 34
14 05/03/2025 23:45:59 73.52, 173.29 57.71 05/03/2025 23:45:08 73.54, 173.28 57.73 1.88 51

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2025
SNOs_Map_NOAA-20_TERRA_20250421.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/21/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA