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: 5/17/2025
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 05/17/2025 03:42:01 67.91, 123.90 48.42 05/17/2025 03:40:54 67.91, 121.69 48.44 92.25 67
2 05/29/2025 16:49:22 69.71, -75.22 47.89 05/29/2025 16:50:31 69.67, -73.42 47.83 69.56 69
3 05/29/2025 17:39:58 -69.27, 92.75 132.57 05/29/2025 17:41:10 -69.19, 93.28 132.66 22.52 72
4 05/29/2025 18:30:39 69.03, -99.60 47.18 05/29/2025 18:31:40 69.03, -99.56 47.18 1.99 61
5 05/29/2025 19:21:23 -69.00, 67.74 132.85 05/29/2025 19:22:11 -68.98, 67.75 132.88 2.43 48
6 05/29/2025 20:12:08 68.97,-124.91 47.12 05/29/2025 20:12:38 68.98,-124.86 47.12 1.94 30
7 05/29/2025 21:02:52 -68.95, 42.43 132.91 05/29/2025 21:03:09 -68.93, 42.44 132.94 2.37 17
8 05/29/2025 21:53:37 68.92,-150.21 47.05 05/29/2025 21:53:36 68.93,-150.17 47.06 1.91 1
9 05/29/2025 22:44:21 -68.90, 17.13 132.98 05/29/2025 22:44:07 -68.88, 17.14 133.00 2.31 14
10 05/29/2025 23:35:06 68.87,-175.52 46.99 05/29/2025 23:34:34 68.88,-175.48 47.00 1.90 32
11 05/30/2025 00:25:50 -68.85, -8.17 133.04 05/30/2025 00:25:05 -68.83, -8.17 133.06 2.26 45
12 05/30/2025 01:16:35 68.82, 159.18 46.93 05/30/2025 01:15:32 68.83, 159.22 46.94 1.91 63
13 05/30/2025 02:07:18 -68.75, -33.41 133.15 05/30/2025 02:06:03 -68.78, -33.47 133.12 4.51 75
14 05/30/2025 02:57:51 68.07, 134.78 46.16 05/30/2025 02:56:42 68.13, 133.07 46.24 71.33 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 5/17/2025
SNOs_Map_NPP_GCOM-C_20250517.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 05/17/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C