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: 10/27/2025
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 11/01/2025 05:26:23 -69.45, -83.57 96.14 11/01/2025 05:27:34 -69.38, -82.33 96.18 49.34 71
2 11/01/2025 06:17:00 68.97, 84.42 83.40 11/01/2025 06:18:09 68.96, 84.47 83.40 2.48 69
3 11/01/2025 07:07:43 -68.93,-108.21 96.63 11/01/2025 07:08:40 -68.90,-108.23 96.65 2.53 57
4 11/01/2025 07:58:29 68.92, 59.11 83.38 11/01/2025 07:59:07 68.91, 59.16 83.37 2.45 38
5 11/01/2025 08:49:12 -68.88,-133.51 96.66 11/01/2025 08:49:38 -68.85,-133.53 96.68 2.55 26
6 11/01/2025 09:39:58 68.87, 33.81 83.35 11/01/2025 09:40:05 68.86, 33.86 83.34 2.44 7
7 11/01/2025 10:30:41 -68.83,-158.82 96.69 11/01/2025 10:30:36 -68.80,-158.84 96.71 2.55 5
8 11/01/2025 11:21:27 68.82, 8.50 83.32 11/01/2025 11:21:03 68.80, 8.55 83.31 2.45 24
9 11/01/2025 12:12:10 -68.77, 175.88 96.71 11/01/2025 12:11:34 -68.75, 175.86 96.74 2.55 36
10 11/01/2025 13:02:56 68.77, -16.80 83.29 11/01/2025 13:02:01 68.75, -16.75 83.28 2.48 55
11 11/01/2025 13:53:39 -68.72, 150.57 96.74 11/01/2025 13:52:32 -68.70, 150.55 96.77 2.55 67
12 11/01/2025 14:44:18 68.34, -41.61 82.90 11/01/2025 14:43:06 68.32, -42.55 82.86 38.57 72
13 11/01/2025 15:34:53 -67.87, 126.30 97.55 11/01/2025 15:33:45 -67.84, 124.22 97.63 87.37 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 10/27/2025
SNOs_Map_NPP_GCOM-C_20251027.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 10/27/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C