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: 3/16/2025
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 03/25/2025 21:20:40 -70.00, 36.39 112.21 03/25/2025 21:21:47 -69.94, 38.78 112.33 91.32 67
2 03/25/2025 22:11:14 69.34,-155.33 67.09 03/25/2025 22:12:26 69.28,-154.79 67.01 22.38 72
3 03/25/2025 23:01:53 -69.11, 12.31 113.16 03/25/2025 23:02:59 -69.13, 12.38 113.16 3.22 66
4 03/25/2025 23:52:38 69.03, 179.73 66.74 03/25/2025 23:53:27 69.05, 179.66 66.76 3.47 49
5 03/26/2025 00:43:22 -69.07, -13.01 113.23 03/26/2025 00:43:57 -69.06, -12.95 113.25 2.62 35
6 03/26/2025 01:34:08 69.04, 154.34 66.73 03/26/2025 01:34:24 69.04, 154.41 66.72 2.92 16
7 03/26/2025 02:24:50 -68.98, -38.25 113.36 03/26/2025 02:24:55 -68.99, -38.28 113.34 2.23 5
8 03/26/2025 03:15:36 68.95, 129.09 66.60 03/26/2025 03:15:22 68.97, 129.08 66.63 2.71 14
9 03/26/2025 04:06:19 -68.94, -63.57 113.43 03/26/2025 04:05:53 -68.93, -63.60 113.43 1.44 26
10 03/26/2025 04:57:05 68.91, 103.78 66.53 03/26/2025 04:56:20 68.91, 103.76 66.54 0.78 45
11 03/26/2025 05:47:48 -68.89, -88.89 113.50 03/26/2025 05:46:50 -68.92, -88.85 113.47 2.80 58
12 03/26/2025 06:38:33 68.81, 78.53 66.41 03/26/2025 06:37:19 68.78, 78.36 66.39 7.54 74
13 03/26/2025 07:29:08 -68.37,-113.57 114.06 03/26/2025 07:27:57 -68.37,-114.82 114.03 51.22 71

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/16/2025
SNOs_Map_NPP_GCOM-C_20250316.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/16/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C