Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and GCOM-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/27/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (GCOM-C) Time (GCOM-C) Lat,Lon (GCOM-C) SZA (GCOM-C ) Distance(km) Time Diff (sec)
1 07/07/2025 14:36:33 69.93, -42.19 47.38 07/07/2025 14:37:40 69.87, -39.71 47.26 94.88 67
2 07/07/2025 15:27:08 -69.47, 125.81 133.10 07/07/2025 15:28:19 -69.39, 126.97 133.21 46.32 71
3 07/07/2025 16:17:45 68.98, -66.19 46.40 07/07/2025 16:18:54 68.96, -66.24 46.37 2.88 69
4 07/07/2025 17:08:28 -68.94, 101.18 133.64 07/07/2025 17:09:24 -68.97, 101.14 133.62 2.68 56
5 07/07/2025 17:59:14 68.93, -91.49 46.36 07/07/2025 17:59:52 68.91, -91.55 46.33 3.33 38
6 07/07/2025 18:49:57 -68.90, 75.87 133.68 07/07/2025 18:50:22 -68.91, 75.83 133.66 2.31 25
7 07/07/2025 19:40:43 68.88,-116.80 46.31 07/07/2025 19:40:49 68.91,-116.79 46.34 3.09 6
8 07/07/2025 20:31:26 -68.85, 50.56 133.72 07/07/2025 20:31:20 -68.86, 50.52 133.71 1.99 6
9 07/07/2025 21:22:12 68.83,-142.11 46.27 07/07/2025 21:21:47 68.85,-142.10 46.29 2.56 25
10 07/07/2025 22:12:55 -68.80, 25.25 133.76 07/07/2025 22:12:18 -68.80, 25.22 133.75 1.73 37
11 07/07/2025 23:03:40 68.78,-167.42 46.23 07/07/2025 23:02:44 68.80,-167.41 46.25 2.04 56
12 07/07/2025 23:54:23 -68.75, -0.06 133.81 07/07/2025 23:53:15 -68.75, -0.09 133.80 1.57 68
13 07/08/2025 00:45:01 68.30, 167.84 45.74 07/08/2025 00:43:50 68.31, 166.72 45.79 46.08 71
14 07/08/2025 01:35:36 -67.84, -24.26 134.73 07/08/2025 01:34:29 -67.83, -26.50 134.67 94.12 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 6/27/2025
SNOs_Map_NPP_GCOM-C_20250627.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 06/27/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C