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: 11/24/2025
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 11/27/2025 03:07:19 69.51, 131.23 90.56 11/27/2025 03:08:29 69.42, 132.59 90.49 53.73 70
2 11/27/2025 03:57:54 -69.07, -60.83 89.87 11/27/2025 03:59:06 -69.04, -60.56 89.90 11.07 72
3 11/27/2025 04:48:38 68.92, 106.69 89.98 11/27/2025 04:49:35 68.94, 106.68 90.00 1.84 57
4 11/27/2025 05:39:21 -68.91, -85.98 90.02 11/27/2025 05:40:05 -68.93, -85.95 90.00 2.85 44
5 11/27/2025 06:30:07 68.86, 81.39 89.94 11/27/2025 06:30:33 68.88, 81.37 89.96 2.34 26
6 11/27/2025 07:20:50 -68.85,-111.27 90.07 11/27/2025 07:21:03 -68.88,-111.26 90.04 2.97 13
7 11/27/2025 08:11:36 68.81, 56.10 89.90 11/27/2025 08:11:31 68.83, 56.06 89.92 2.88 5
8 11/27/2025 09:02:19 -68.80,-136.57 90.11 11/27/2025 09:02:01 -68.83,-136.57 90.08 3.22 18
9 11/27/2025 09:53:06 68.80, 30.73 89.90 11/27/2025 09:52:29 68.77, 30.75 89.87 3.39 37
10 11/27/2025 10:43:49 -68.79,-161.94 90.10 11/27/2025 10:42:59 -68.77,-161.88 90.13 3.43 50
11 11/27/2025 11:34:35 68.74, 5.43 89.86 11/27/2025 11:33:27 68.72, 5.44 89.83 3.05 68
12 11/27/2025 12:25:14 -68.52, 173.05 90.36 11/27/2025 12:24:01 -68.50, 172.53 90.39 21.29 73
13 11/27/2025 13:15:47 67.83, -18.76 88.97 11/27/2025 13:14:39 67.85, -20.91 88.96 90.28 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/24/2025
SNOs_Map_NPP_GCOM-C_20251124.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/24/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C