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: 11/10/2025
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 92.20 11/14/2025 04:43:18 -69.56, -70.98 92.23 67.07 69
2 11/14/2025 05:32:43 68.96, 95.55 87.16 11/14/2025 05:33:56 68.97, 95.59 87.18 1.73 73
3 11/14/2025 06:23:26 -68.94, -97.10 92.85 11/14/2025 06:24:27 -68.92, -97.11 92.87 2.64 61
4 11/14/2025 07:14:12 68.91, 70.25 87.13 11/14/2025 07:14:54 68.92, 70.28 87.14 1.50 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 3.01 30
6 11/14/2025 08:55:41 68.87, 44.94 87.10 11/14/2025 08:55:52 68.87, 44.97 87.11 1.36 11
7 11/14/2025 09:46:24 -68.84,-147.71 92.91 11/14/2025 09:46:23 -68.81,-147.72 92.95 3.38 1
8 11/14/2025 10:37:10 68.82, 19.63 87.07 11/14/2025 10:36:50 68.81, 19.67 87.07 1.35 20
9 11/14/2025 11:27:53 -68.79,-173.02 92.94 11/14/2025 11:27:20 -68.81,-172.96 92.93 3.27 33
10 11/14/2025 12:18:39 68.77, -5.67 87.04 11/14/2025 12:17:48 68.76, -5.64 87.03 1.46 51
11 11/14/2025 13:09:22 -68.74, 161.68 92.97 11/14/2025 13:08:18 -68.76, 161.73 92.96 3.04 64
12 11/14/2025 14:00:03 68.45, -30.62 86.75 11/14/2025 13:58:50 68.49, -31.23 86.78 25.22 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 72.67 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/10/2025
SNOs_Map_NPP_GCOM-C_20251111.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/10/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C