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: 3/14/2025
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 -69.93, 38.77 112.34 91.13 67
2 03/25/2025 22:11:14 69.34,-155.34 67.09 03/25/2025 22:12:26 69.27,-154.80 67.00 22.50 72
3 03/25/2025 23:01:53 -69.11, 12.31 113.16 03/25/2025 23:02:59 -69.12, 12.37 113.16 2.74 66
4 03/25/2025 23:52:38 69.03, 179.72 66.75 03/25/2025 23:53:27 69.04, 179.65 66.75 3.11 49
5 03/26/2025 00:43:22 -69.07, -13.01 113.23 03/26/2025 00:43:57 -69.06, -12.96 113.25 2.67 35
6 03/26/2025 01:34:08 69.04, 154.33 66.73 03/26/2025 01:34:24 69.03, 154.40 66.71 2.99 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 1.97 5
8 03/26/2025 03:15:36 68.95, 129.09 66.61 03/26/2025 03:15:22 68.97, 129.07 66.62 1.91 14
9 03/26/2025 04:06:19 -68.93, -63.57 113.43 03/26/2025 04:05:53 -68.92, -63.61 113.44 1.87 26
10 03/26/2025 04:57:05 68.91, 103.77 66.53 03/26/2025 04:56:20 68.90, 103.75 66.53 1.39 45
11 03/26/2025 05:47:48 -68.89, -88.89 113.50 03/26/2025 05:46:50 -68.91, -88.86 113.48 2.39 58
12 03/26/2025 06:38:32 68.76, 78.60 66.35 03/26/2025 06:37:19 68.78, 78.35 66.39 10.32 73
13 03/26/2025 07:29:08 -68.37,-113.57 114.06 03/26/2025 07:27:57 -68.36,-114.82 114.04 51.48 71

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/14/2025
SNOs_Map_NPP_GCOM-C_20250314.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/14/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C