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: 4/20/2025
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 18:15:53 -73.57, 75.69 118.38 04/21/2025 18:16:58 -73.60, 75.67 118.37 2.75 65
2 04/21/2025 19:06:38 73.52,-116.89 61.56 04/21/2025 19:06:18 73.52,-116.82 61.55 2.33 20
3 04/24/2025 04:37:40 73.70, 99.96 60.95 04/24/2025 04:38:52 73.63, 100.22 60.85 11.12 72
4 04/24/2025 05:28:21 -73.54, -92.36 119.24 04/24/2025 05:28:14 -73.55, -92.29 119.24 2.21 7
5 04/24/2025 06:18:52 72.80, 76.59 59.94 04/24/2025 06:17:46 72.82, 73.95 60.12 86.86 66
6 04/26/2025 14:59:32 -74.16, 123.41 119.33 04/26/2025 15:00:40 -74.05, 125.59 119.57 67.61 68
7 04/26/2025 15:50:05 73.53, -67.77 59.96 04/26/2025 15:50:08 73.53, -67.84 59.97 2.14 3
8 04/26/2025 16:40:44 -73.27, 100.14 120.34 04/26/2025 16:39:32 -73.36, 99.47 120.21 23.35 72
9 04/29/2025 02:11:48 -73.56, -43.25 120.78 04/29/2025 02:12:03 -73.57, -43.30 120.78 1.70 15
10 04/29/2025 03:02:32 73.48, 124.25 59.12 04/29/2025 03:01:22 73.51, 124.26 59.17 3.46 70
11 05/01/2025 12:33:32 73.58, -18.72 58.50 05/01/2025 12:33:55 73.57, -18.81 58.49 2.92 23
12 05/01/2025 13:24:15 -73.51, 148.76 121.60 05/01/2025 13:23:17 -73.51, 148.74 121.58 0.91 58
13 05/03/2025 22:55:15 -73.61, 5.78 122.19 05/03/2025 22:55:49 -73.60, 5.73 122.21 2.03 34
14 05/03/2025 23:45:59 73.54, 173.26 57.72 05/03/2025 23:45:08 73.52, 173.25 57.72 1.60 51

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/20/2025
SNOs_Map_NOAA-20_TERRA_20250420.jpg

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

Historial Predications of SNOs between NOAA-20 and TERRA