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: 10/6/2025
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 10/07/2025 01:32:56 -74.54, -34.83 99.84 10/07/2025 01:33:34 -74.57, -34.82 99.81 3.77 38
2 10/07/2025 02:23:40 74.47, 132.66 80.11 10/07/2025 02:22:53 74.50, 132.68 80.14 3.10 47
3 10/09/2025 11:54:40 74.54, -10.24 81.08 10/09/2025 11:55:00 74.54, -10.30 81.08 1.88 20
4 10/09/2025 12:45:23 -74.46, 157.28 99.00 10/09/2025 12:44:22 -74.45, 157.16 98.99 3.61 61
5 10/11/2025 21:25:51 75.14,-154.66 82.64 10/11/2025 21:26:58 75.01,-152.23 82.41 70.93 67
6 10/11/2025 22:16:23 -74.58, 14.23 97.97 10/11/2025 22:16:26 -74.56, 14.34 97.99 3.46 3
7 10/11/2025 23:07:00 74.17,-177.40 81.61 10/11/2025 23:05:50 74.23,-178.75 81.73 41.42 70
8 10/14/2025 07:47:22 -74.61,-128.58 97.05 10/14/2025 07:48:32 -74.59,-128.68 97.07 3.13 70
9 10/14/2025 08:38:06 74.54, 38.90 82.90 10/14/2025 08:37:51 74.52, 38.84 82.88 2.78 15
10 10/16/2025 18:09:06 74.63,-104.07 83.87 10/16/2025 18:09:55 74.62,-104.00 83.86 2.35 49
11 10/16/2025 18:59:49 -74.55, 63.46 96.21 10/16/2025 18:59:17 -74.53, 63.44 96.22 2.14 32
12 10/19/2025 04:30:48 -74.59, -79.39 95.29 10/19/2025 04:31:21 -74.59, -79.47 95.30 2.43 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/6/2025
SNOs_Map_NPP_TERRA_20251006.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/06/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA