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: 3/29/2025
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 20:36:34 -69.63, 47.97 117.61 04/07/2025 20:37:44 -69.58, 49.37 117.69 54.40 70
2 04/07/2025 21:27:11 69.11,-143.99 61.85 04/07/2025 21:28:20 69.09,-143.94 61.82 3.21 69
3 04/07/2025 22:17:52 -69.04, 23.43 118.25 04/07/2025 22:18:50 -69.05, 23.39 118.24 2.24 58
4 04/07/2025 23:08:39 69.06,-169.28 61.76 04/07/2025 23:09:17 69.04,-169.24 61.74 2.49 38
5 04/07/2025 23:59:21 -68.98, -1.87 118.33 04/07/2025 23:59:48 -69.00, -1.92 118.31 2.91 27
6 04/08/2025 00:50:08 69.00, 165.42 61.68 04/08/2025 00:50:15 68.99, 165.45 61.67 1.81 7
7 04/08/2025 01:40:51 -68.98, -27.24 118.36 04/08/2025 01:40:46 -68.95, -27.22 118.39 3.23 5
8 04/08/2025 02:31:37 68.94, 140.12 61.59 04/08/2025 02:31:13 68.94, 140.15 61.59 1.21 24
9 04/08/2025 03:22:20 -68.93, -52.54 118.44 04/08/2025 03:21:44 -68.90, -52.53 118.46 2.51 36
10 04/08/2025 04:13:06 68.89, 114.82 61.51 04/08/2025 04:12:11 68.89, 114.84 61.52 0.88 55
11 04/08/2025 05:03:49 -68.87, -77.84 118.52 04/08/2025 05:02:42 -68.85, -77.83 118.54 1.81 67
12 04/08/2025 05:54:28 68.46, 90.02 61.04 04/08/2025 05:53:16 68.46, 89.04 61.07 40.16 72
13 04/08/2025 06:45:03 -68.01,-102.09 119.43 04/08/2025 06:43:55 -68.00,-104.18 119.40 87.14 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/29/2025
SNOs_Map_NPP_GCOM-C_20250329.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/29/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C