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: 7/22/2025
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 08/02/2025 13:07:46 69.90, -19.86 52.26 08/02/2025 13:08:53 69.81, -17.47 52.10 92.32 67
2 08/02/2025 13:58:21 -69.46, 148.10 128.19 08/02/2025 13:59:31 -69.39, 149.31 128.30 47.61 70
3 08/02/2025 14:48:58 68.95, -43.87 51.29 08/02/2025 14:50:06 68.95, -43.92 51.28 2.10 68
4 08/02/2025 15:39:41 -68.94, 123.47 128.72 08/02/2025 15:40:36 -68.96, 123.47 128.70 2.87 55
5 08/02/2025 16:30:27 68.90, -69.18 51.26 08/02/2025 16:31:04 68.89, -69.23 51.24 2.42 37
6 08/02/2025 17:21:10 -68.89, 98.16 128.75 08/02/2025 17:21:34 -68.91, 98.16 128.74 2.05 24
7 08/02/2025 18:11:56 68.85, -94.48 51.22 08/02/2025 18:12:02 68.84, -94.54 51.21 2.95 6
8 08/02/2025 19:02:39 -68.84, 72.85 128.78 08/02/2025 19:02:32 -68.85, 72.85 128.77 1.22 7
9 08/02/2025 19:53:25 68.80,-119.79 51.19 08/02/2025 19:52:59 68.83,-119.78 51.23 3.42 26
10 08/02/2025 20:44:08 -68.79, 47.54 128.81 08/02/2025 20:43:30 -68.80, 47.54 128.81 0.41 38
11 08/02/2025 21:34:54 68.76,-145.10 51.16 08/02/2025 21:33:57 68.78,-145.09 51.19 2.58 57
12 08/02/2025 22:25:37 -68.74, 22.23 128.85 08/02/2025 22:24:28 -68.74, 22.23 128.84 0.46 69
13 08/02/2025 23:16:14 68.22,-169.78 50.63 08/02/2025 23:15:04 68.24,-171.04 50.68 51.92 70
14 08/03/2025 00:06:49 -67.78, -1.91 129.81 08/03/2025 00:05:42 -67.82, -4.18 129.71 95.65 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/22/2025
SNOs_Map_NPP_GCOM-C_20250722.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/22/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C