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: 5/22/2025
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 69.73, -75.24 47.91 05/29/2025 16:50:31 69.66, -73.44 47.82 70.05 69
2 05/29/2025 17:39:57 -69.24, 92.79 132.60 05/29/2025 17:41:10 -69.17, 93.25 132.68 19.59 73
3 05/29/2025 18:30:38 68.99, -99.55 47.14 05/29/2025 18:31:40 69.02, -99.58 47.17 3.28 62
4 05/29/2025 19:21:22 -68.98, 67.78 132.88 05/29/2025 19:22:11 -68.96, 67.72 132.90 2.72 49
5 05/29/2025 20:12:08 68.99,-124.93 47.13 05/29/2025 20:12:38 68.97,-124.88 47.11 3.34 30
6 05/29/2025 21:02:51 -68.92, 42.48 132.94 05/29/2025 21:03:09 -68.91, 42.42 132.96 2.72 18
7 05/29/2025 21:53:37 68.94,-150.24 47.07 05/29/2025 21:53:36 68.92,-150.19 47.05 3.27 1
8 05/29/2025 22:44:20 -68.87, 17.17 133.01 05/29/2025 22:44:07 -68.86, 17.11 133.02 2.69 13
9 05/29/2025 23:35:06 68.89,-175.54 47.01 05/29/2025 23:34:34 68.87,-175.50 46.99 3.21 32
10 05/30/2025 00:25:49 -68.82, -8.13 133.07 05/30/2025 00:25:05 -68.81, -8.19 133.08 2.65 44
11 05/30/2025 01:16:35 68.84, 159.15 46.95 05/30/2025 01:15:32 68.82, 159.20 46.92 3.16 63
12 05/30/2025 02:07:17 -68.72, -33.37 133.19 05/30/2025 02:06:03 -68.76, -33.50 133.14 7.10 74
13 05/30/2025 02:57:51 68.09, 134.76 46.18 05/30/2025 02:56:42 68.12, 133.05 46.22 70.92 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 5/22/2025
SNOs_Map_NPP_GCOM-C_20250523.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 05/22/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C