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: 3/26/2025
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 04/07/2025 19:44:57 69.76,-119.32 62.55 04/07/2025 19:46:06 69.70,-117.56 62.45 68.12 69
2 04/07/2025 20:35:32 -69.32, 48.65 117.93 04/07/2025 20:36:45 -69.23, 49.15 118.03 21.91 73
3 04/07/2025 21:26:14 69.09,-143.72 61.82 04/07/2025 21:27:14 69.09,-143.66 61.82 2.57 60
4 04/07/2025 22:16:57 -69.07, 23.63 118.22 04/07/2025 22:17:45 -69.06, 23.67 118.23 2.19 48
5 04/07/2025 23:07:42 69.00,-168.97 61.70 04/07/2025 23:08:12 69.02,-168.99 61.72 2.99 30
6 04/07/2025 23:58:25 -68.98, -1.62 118.34 04/07/2025 23:58:43 -68.98, -1.67 118.33 1.96 18
7 04/08/2025 00:49:11 68.96, 165.71 61.64 04/08/2025 00:49:10 68.95, 165.68 61.63 1.61 1
8 04/08/2025 01:39:54 -68.94, -26.94 118.40 04/08/2025 01:39:40 -68.97, -26.92 118.37 3.27 14
9 04/08/2025 02:30:40 68.92, 140.39 61.57 04/08/2025 02:30:07 68.93, 140.42 61.59 1.89 33
10 04/08/2025 03:21:23 -68.90, -52.26 118.47 04/08/2025 03:20:38 -68.90, -52.26 118.47 0.50 45
11 04/08/2025 04:12:09 68.88, 115.07 61.50 04/08/2025 04:11:05 68.86, 115.09 61.49 2.20 64
12 04/08/2025 05:02:51 -68.81, -77.51 118.59 04/08/2025 05:01:36 -68.83, -77.59 118.56 3.56 75
13 04/08/2025 05:53:24 68.09, 90.74 60.67 04/08/2025 05:52:16 68.09, 88.85 60.71 78.46 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/26/2025
SNOs_Map_NPP_GCOM-C_20250327.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/26/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C