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: 9/21/2025
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 09/22/2025 12:13:15 74.48, -14.79 74.52 09/22/2025 12:13:58 74.46, -14.86 74.49 2.66 43
2 09/22/2025 13:03:58 -74.40, 152.72 105.56 09/22/2025 13:03:20 -74.40, 152.67 105.55 1.38 38
3 09/24/2025 22:35:00 -74.50, 9.71 104.52 09/24/2025 22:35:31 -74.48, 9.76 104.55 2.44 31
4 09/24/2025 23:25:43 74.38, 177.33 75.36 09/24/2025 23:24:50 74.39, 177.22 75.38 3.56 53
5 09/27/2025 08:56:44 74.50, 34.30 76.41 09/27/2025 08:56:59 74.50, 34.37 76.40 2.01 15
6 09/27/2025 09:47:27 -74.41,-158.17 103.67 09/27/2025 09:46:22 -74.39,-158.22 103.68 3.01 65
7 09/29/2025 18:27:55 75.04,-109.96 77.94 09/29/2025 18:29:02 74.95,-107.65 77.73 67.43 67
8 09/29/2025 19:18:28 -74.48, 58.92 102.68 09/29/2025 19:18:32 -74.48, 58.88 102.68 1.31 4
9 09/29/2025 20:09:05 74.07,-132.72 76.90 09/29/2025 20:07:55 74.17,-134.13 77.06 44.30 70
10 10/02/2025 04:49:30 -74.60, -84.13 101.63 10/02/2025 04:50:41 -74.59, -83.95 101.66 5.45 71
11 10/02/2025 05:40:13 74.49, 83.47 78.27 10/02/2025 05:40:00 74.50, 83.51 78.28 1.49 13
12 10/04/2025 15:11:14 74.57, -59.48 79.27 10/04/2025 15:12:10 74.54, -59.49 79.23 3.46 56
13 10/04/2025 16:01:57 -74.48, 108.07 100.82 10/04/2025 16:01:32 -74.48, 108.03 100.82 1.25 25

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/21/2025
SNOs_Map_NPP_TERRA_20250922.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/21/2025 in txt file.

Historial Predications of SNOs between NPP and TERRA