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: 5/28/2025
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 05/29/2025 16:49:22 69.72, -75.22 47.89 05/29/2025 16:50:31 69.67, -73.43 47.82 69.39 69
2 05/29/2025 17:39:57 -69.23, 92.80 132.61 05/29/2025 17:41:10 -69.18, 93.25 132.67 18.84 73
3 05/29/2025 18:30:39 69.03, -99.61 47.18 05/29/2025 18:31:40 69.03, -99.57 47.17 1.59 61
4 05/29/2025 19:21:22 -68.97, 67.79 132.89 05/29/2025 19:22:11 -68.96, 67.73 132.89 2.67 49
5 05/29/2025 20:12:08 68.98,-124.91 47.12 05/29/2025 20:12:38 68.98,-124.87 47.11 1.51 30
6 05/29/2025 21:02:51 -68.91, 42.49 132.95 05/29/2025 21:03:09 -68.91, 42.42 132.95 2.71 18
7 05/29/2025 21:53:37 68.92,-150.21 47.05 05/29/2025 21:53:36 68.92,-150.18 47.05 1.45 1
8 05/29/2025 22:44:20 -68.86, 17.18 133.02 05/29/2025 22:44:07 -68.86, 17.12 133.02 2.72 13
9 05/29/2025 23:35:06 68.87,-175.52 46.99 05/29/2025 23:34:34 68.87,-175.48 46.99 1.42 32
10 05/30/2025 00:25:49 -68.81, -8.12 133.08 05/30/2025 00:25:05 -68.81, -8.19 133.08 2.72 44
11 05/30/2025 01:16:35 68.82, 159.18 46.93 05/30/2025 01:15:32 68.82, 159.21 46.93 1.41 63
12 05/30/2025 02:07:18 -68.76, -33.43 133.14 05/30/2025 02:06:03 -68.76, -33.49 133.14 2.69 75
13 05/30/2025 02:57:51 68.07, 134.78 46.16 05/30/2025 02:56:42 68.12, 133.07 46.23 71.51 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 5/28/2025
SNOs_Map_NPP_GCOM-C_20250528.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 05/28/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C