Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/26/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 09/27/2025 08:56:44 74.47, 34.38 76.38 09/27/2025 08:57:00 74.46, 34.27 76.37 3.31 16
2 09/27/2025 09:47:27 -74.39,-158.11 103.70 09/27/2025 09:46:22 -74.39,-158.21 103.68 3.09 65
3 09/29/2025 18:27:55 75.02,-109.90 77.92 09/29/2025 18:29:02 74.93,-107.70 77.71 64.35 67
4 09/29/2025 19:18:29 -74.51, 58.84 102.64 09/29/2025 19:18:31 -74.50, 58.94 102.66 3.22 2
5 09/29/2025 20:09:05 74.05,-132.67 76.87 09/29/2025 20:07:56 74.10,-134.30 77.00 49.94 69
6 10/02/2025 04:49:29 -74.54, -83.98 101.69 10/02/2025 04:50:40 -74.57, -83.99 101.67 3.39 71
7 10/02/2025 05:40:12 74.48, 83.50 78.26 10/02/2025 05:39:58 74.48, 83.48 78.27 0.78 14
8 10/04/2025 15:11:13 74.57, -59.48 79.27 10/04/2025 15:12:06 74.57, -59.39 79.27 2.68 53
9 10/04/2025 16:01:56 -74.48, 108.06 100.81 10/04/2025 16:01:28 -74.51, 108.11 100.79 2.92 28
10 10/07/2025 01:32:56 -74.53, -34.81 99.85 10/07/2025 01:33:36 -74.56, -34.85 99.83 3.24 40
11 10/07/2025 02:23:40 74.47, 132.66 80.11 10/07/2025 02:22:55 74.47, 132.62 80.12 1.00 45
12 10/09/2025 11:54:40 74.53, -10.24 81.08 10/09/2025 11:55:02 74.55, -10.29 81.09 2.22 22

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/26/2025
SNOs_Map_NPP_TERRA_20250927.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/26/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA