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: 4/22/2025
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 04/24/2025 04:37:41 73.71, 99.94 60.96 04/24/2025 04:38:52 73.67, 100.29 60.88 12.21 71
2 04/24/2025 05:28:21 -73.51, -92.27 119.28 04/24/2025 05:28:15 -73.53, -92.33 119.25 2.98 6
3 04/24/2025 06:18:52 72.76, 76.67 59.89 04/24/2025 06:17:46 72.86, 74.02 60.15 87.85 66
4 04/26/2025 14:59:32 -74.18, 123.37 119.31 04/26/2025 15:00:39 -74.08, 125.66 119.54 70.32 67
5 04/26/2025 15:50:05 73.55, -67.80 59.98 04/26/2025 15:50:07 73.57, -67.77 60.00 2.65 2
6 04/26/2025 16:40:44 -73.29, 100.11 120.32 04/26/2025 16:39:32 -73.34, 99.42 120.22 22.43 72
7 04/29/2025 02:11:48 -73.57, -43.28 120.77 04/29/2025 02:12:02 -73.59, -43.24 120.75 2.58 14
8 04/29/2025 03:02:32 73.49, 124.22 59.14 04/29/2025 03:01:22 73.49, 124.21 59.15 0.44 70
9 05/01/2025 12:33:32 73.59, -18.75 58.51 05/01/2025 12:33:54 73.59, -18.75 58.51 0.47 22
10 05/01/2025 13:24:15 -73.52, 148.72 121.58 05/01/2025 13:23:16 -73.54, 148.79 121.56 2.83 59
11 05/03/2025 22:55:15 -73.62, 5.74 122.17 05/03/2025 22:55:48 -73.62, 5.77 122.19 1.21 33
12 05/03/2025 23:45:59 73.55, 173.23 57.74 05/03/2025 23:45:07 73.55, 173.30 57.74 2.42 52

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2025
SNOs_Map_NOAA-20_TERRA_20250422.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/22/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA