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: 5/25/2025
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 16:49:23 69.76, -75.28 47.94 05/29/2025 16:50:31 69.68, -73.41 47.84 72.59 68
2 05/29/2025 17:39:58 -69.27, 92.75 132.58 05/29/2025 17:41:10 -69.19, 93.28 132.66 22.33 72
3 05/29/2025 18:30:39 69.01, -99.59 47.17 05/29/2025 18:31:40 69.04, -99.55 47.19 3.20 61
4 05/29/2025 19:21:23 -69.00, 67.74 132.85 05/29/2025 19:22:11 -68.98, 67.75 132.88 2.44 48
5 05/29/2025 20:12:08 68.96,-124.89 47.10 05/29/2025 20:12:38 68.99,-124.85 47.13 3.22 30
6 05/29/2025 21:02:52 -68.95, 42.44 132.92 05/29/2025 21:03:09 -68.93, 42.44 132.94 2.36 17
7 05/29/2025 21:53:37 68.91,-150.20 47.04 05/29/2025 21:53:36 68.94,-150.16 47.07 3.25 1
8 05/29/2025 22:44:21 -68.90, 17.13 132.98 05/29/2025 22:44:07 -68.88, 17.14 133.00 2.27 14
9 05/29/2025 23:35:06 68.86,-175.50 46.98 05/29/2025 23:34:34 68.89,-175.47 47.01 3.30 32
10 05/30/2025 00:25:50 -68.85, -8.17 133.04 05/30/2025 00:25:05 -68.83, -8.17 133.06 2.19 45
11 05/30/2025 01:16:35 68.81, 159.19 46.92 05/30/2025 01:15:33 68.78, 159.16 46.89 3.31 62
12 05/30/2025 02:07:18 -68.74, -33.40 133.16 05/30/2025 02:06:04 -68.73, -33.54 133.17 6.05 74
13 05/30/2025 02:57:52 68.11, 134.73 46.20 05/30/2025 02:56:43 68.08, 133.01 46.19 71.40 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 5/25/2025
SNOs_Map_NPP_GCOM-C_20250525.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 05/25/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C