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, -72.69 92.20 11/14/2025 04:43:18 -69.56, -70.97 92.23 67.13 69
2 11/14/2025 05:32:43 68.97, 95.55 87.17 11/14/2025 05:33:56 68.97, 95.59 87.18 1.77 73
3 11/14/2025 06:23:26 -68.94, -97.09 92.85 11/14/2025 06:24:27 -68.92, -97.10 92.87 2.31 61
4 11/14/2025 07:14:12 68.92, 70.25 87.14 11/14/2025 07:14:54 68.92, 70.28 87.14 1.58 42
5 11/14/2025 08:04:55 -68.89,-122.40 92.88 11/14/2025 08:05:25 -68.87,-122.41 92.91 2.68 30
6 11/14/2025 08:55:41 68.87, 44.94 87.11 11/14/2025 08:55:52 68.87, 44.98 87.11 1.49 11
7 11/14/2025 09:46:24 -68.84,-147.71 92.91 11/14/2025 09:46:23 -68.82,-147.72 92.94 3.04 1
8 11/14/2025 10:37:10 68.82, 19.63 87.08 11/14/2025 10:36:50 68.81, 19.67 87.07 1.52 20
9 11/14/2025 11:27:53 -68.79,-173.02 92.95 11/14/2025 11:27:21 -68.76,-173.03 92.98 3.40 32
10 11/14/2025 12:18:39 68.77, -5.68 87.05 11/14/2025 12:17:48 68.76, -5.64 87.03 1.65 51
11 11/14/2025 13:09:22 -68.74, 161.68 92.98 11/14/2025 13:08:18 -68.76, 161.74 92.96 3.35 64
12 11/14/2025 14:00:03 68.45, -30.63 86.75 11/14/2025 13:58:50 68.49, -31.23 86.78 25.06 73
13 11/14/2025 14:50:38 -68.00, 137.27 93.69 11/14/2025 14:49:29 -68.01, 135.53 93.71 72.56 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_NPP_GCOM-C_20251109.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