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: 11/8/2025
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 11/14/2025 04:42:09 -69.63, -72.70 92.19 11/14/2025 04:43:18 -69.56, -70.98 92.23 67.39 69
2 11/14/2025 05:32:43 68.97, 95.54 87.17 11/14/2025 05:33:56 68.97, 95.59 87.17 1.89 73
3 11/14/2025 06:23:26 -68.95, -97.10 92.85 11/14/2025 06:24:27 -68.92, -97.11 92.88 3.49 61
4 11/14/2025 07:14:12 68.92, 70.24 87.14 11/14/2025 07:14:54 68.92, 70.28 87.14 1.97 42
5 11/14/2025 08:04:55 -68.90,-122.41 92.88 11/14/2025 08:05:24 -68.92,-122.34 92.86 3.38 29
6 11/14/2025 08:55:41 68.87, 44.93 87.11 11/14/2025 08:55:52 68.86, 44.97 87.10 2.13 11
7 11/14/2025 09:46:24 -68.85,-147.72 92.91 11/14/2025 09:46:22 -68.86,-147.65 92.89 3.15 2
8 11/14/2025 10:37:10 68.83, 19.62 87.08 11/14/2025 10:36:50 68.81, 19.66 87.07 2.36 20
9 11/14/2025 11:27:53 -68.80,-173.02 92.94 11/14/2025 11:27:20 -68.81,-172.96 92.93 2.97 33
10 11/14/2025 12:18:39 68.78, -5.69 87.05 11/14/2025 12:17:48 68.76, -5.65 87.03 2.64 51
11 11/14/2025 13:09:22 -68.75, 161.67 92.97 11/14/2025 13:08:18 -68.76, 161.73 92.96 2.84 64
12 11/14/2025 14:00:03 68.46, -30.64 86.76 11/14/2025 13:58:50 68.49, -31.24 86.77 24.71 73
13 11/14/2025 14:50:38 -68.01, 137.27 93.68 11/14/2025 14:49:29 -68.01, 135.53 93.71 72.42 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_NPP_GCOM-C_20251108.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/08/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C