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: 11/30/2025
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 12/10/2025 00:41:55 69.52, 167.64 92.32 12/10/2025 00:43:05 69.44, 169.01 92.25 54.05 70
2 12/10/2025 01:32:30 -69.08, -24.42 88.12 12/10/2025 01:33:43 -69.01, -24.21 88.18 10.77 73
3 12/10/2025 02:23:14 68.93, 143.10 91.74 12/10/2025 02:24:11 68.96, 143.10 91.77 3.27 57
4 12/10/2025 03:13:57 -68.91, -49.57 88.28 12/10/2025 03:14:42 -68.90, -49.59 88.29 1.47 45
5 12/10/2025 04:04:43 68.87, 117.80 91.69 12/10/2025 04:05:09 68.90, 117.79 91.72 3.33 26
6 12/10/2025 04:55:26 -68.86, -74.87 88.33 12/10/2025 04:55:40 -68.85, -74.91 88.34 1.92 14
7 12/10/2025 05:46:13 68.87, 92.43 91.69 12/10/2025 05:46:07 68.84, 92.47 91.67 3.20 6
8 12/10/2025 06:36:55 -68.80,-100.16 88.38 12/10/2025 06:36:38 -68.79,-100.22 88.39 2.40 17
9 12/10/2025 07:27:41 68.81, 67.13 91.64 12/10/2025 07:27:04 68.79, 67.16 91.61 2.91 37
10 12/10/2025 08:18:23 -68.74,-125.46 88.43 12/10/2025 08:17:35 -68.74,-125.53 88.44 2.89 48
11 12/10/2025 09:09:10 68.75, 41.83 91.59 12/10/2025 09:08:02 68.73, 41.85 91.56 2.71 68
12 12/10/2025 09:59:49 -68.53,-150.55 88.64 12/10/2025 09:58:36 -68.52,-151.05 88.65 20.61 73
13 12/10/2025 10:50:23 67.84, 17.64 90.68 12/10/2025 10:49:15 67.86, 15.50 90.70 89.82 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/30/2025
SNOs_Map_NPP_GCOM-C_20251201.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/30/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C