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: 3/18/2025
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 21:20:39 -69.98, 36.42 112.23 03/25/2025 21:21:46 -69.96, 38.81 112.31 90.92 67
2 03/25/2025 22:11:13 69.31,-155.29 67.07 03/25/2025 22:12:26 69.25,-154.83 66.98 19.73 73
3 03/25/2025 23:01:52 -69.09, 12.34 113.18 03/25/2025 23:02:59 -69.09, 12.33 113.19 0.47 67
4 03/25/2025 23:52:38 69.06, 179.69 66.77 03/25/2025 23:53:26 69.07, 179.69 66.78 1.47 48
5 03/26/2025 00:43:21 -69.05, -12.98 113.25 03/26/2025 00:43:57 -69.03, -13.00 113.28 2.61 36
6 03/26/2025 01:34:07 69.02, 154.37 66.70 03/26/2025 01:34:24 69.01, 154.37 66.69 1.45 17
7 03/26/2025 02:24:50 -69.01, -38.30 113.32 03/26/2025 02:24:54 -69.01, -38.25 113.32 1.94 4
8 03/26/2025 03:15:36 68.98, 129.05 66.64 03/26/2025 03:15:21 68.99, 129.11 66.65 2.87 15
9 03/26/2025 04:06:19 -68.97, -63.61 113.39 03/26/2025 04:05:52 -68.95, -63.57 113.41 2.73 27
10 03/26/2025 04:57:05 68.94, 103.74 66.57 03/26/2025 04:56:19 68.93, 103.79 66.56 2.35 46
11 03/26/2025 05:47:47 -68.87, -88.86 113.52 03/26/2025 05:46:50 -68.88, -88.90 113.51 1.88 57
12 03/26/2025 06:38:32 68.79, 78.56 66.38 03/26/2025 06:37:18 68.81, 78.39 66.41 7.29 74
13 03/26/2025 07:29:07 -68.35,-113.54 114.08 03/26/2025 07:27:56 -68.38,-114.79 114.01 51.49 71

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/18/2025
SNOs_Map_NPP_GCOM-C_20250318.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/18/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C