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: 10/26/2025
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 11/01/2025 05:26:23 -69.45, -83.57 96.14 11/01/2025 05:27:34 -69.39, -82.32 96.17 49.31 71
2 11/01/2025 06:17:00 68.97, 84.42 83.40 11/01/2025 06:18:09 68.96, 84.48 83.40 2.25 69
3 11/01/2025 07:07:43 -68.92,-108.20 96.64 11/01/2025 07:08:40 -68.91,-108.22 96.64 1.15 57
4 11/01/2025 07:58:29 68.92, 59.12 83.37 11/01/2025 07:59:07 68.91, 59.17 83.38 2.20 38
5 11/01/2025 08:49:12 -68.87,-133.50 96.66 11/01/2025 08:49:38 -68.86,-133.52 96.67 1.15 26
6 11/01/2025 09:39:58 68.87, 33.81 83.35 11/01/2025 09:40:05 68.86, 33.87 83.35 2.18 7
7 11/01/2025 10:30:41 -68.82,-158.81 96.69 11/01/2025 10:30:36 -68.81,-158.83 96.70 1.14 5
8 11/01/2025 11:21:27 68.81, 8.51 83.32 11/01/2025 11:21:03 68.81, 8.56 83.32 2.18 24
9 11/01/2025 12:12:10 -68.77, 175.89 96.72 11/01/2025 12:11:34 -68.76, 175.87 96.73 1.12 36
10 11/01/2025 13:02:56 68.76, -16.80 83.29 11/01/2025 13:02:01 68.76, -16.74 83.29 2.20 55
11 11/01/2025 13:53:39 -68.72, 150.58 96.75 11/01/2025 13:52:32 -68.71, 150.56 96.76 1.09 67
12 11/01/2025 14:44:18 68.34, -41.61 82.90 11/01/2025 14:43:06 68.33, -42.54 82.87 38.33 72
13 11/01/2025 15:34:53 -67.87, 126.31 97.56 11/01/2025 15:33:45 -67.85, 124.23 97.62 87.13 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 10/26/2025
SNOs_Map_NPP_GCOM-C_20251026.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 10/26/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C