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: 7/27/2025
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 13:07:45 69.86, -19.81 52.22 08/02/2025 13:08:52 69.82, -17.44 52.12 90.80 67
2 08/02/2025 13:58:20 -69.43, 148.15 128.22 08/02/2025 13:59:31 -69.35, 149.25 128.34 44.06 71
3 08/02/2025 14:48:58 68.97, -43.89 51.31 08/02/2025 14:50:05 68.96, -43.90 51.30 0.35 67
4 08/02/2025 15:39:41 -68.96, 123.44 128.70 08/02/2025 15:40:35 -68.97, 123.49 128.69 2.52 54
5 08/02/2025 16:30:27 68.92, -69.20 51.27 08/02/2025 16:31:03 68.91, -69.21 51.26 1.22 36
6 08/02/2025 17:21:10 -68.91, 98.13 128.73 08/02/2025 17:21:33 -68.92, 98.18 128.73 2.03 23
7 08/02/2025 18:11:56 68.87, -94.51 51.24 08/02/2025 18:12:01 68.85, -94.52 51.22 2.12 5
8 08/02/2025 19:02:39 -68.86, 72.82 128.76 08/02/2025 19:02:31 -68.86, 72.87 128.76 1.87 8
9 08/02/2025 19:53:25 68.82,-119.82 51.21 08/02/2025 19:52:59 68.80,-119.83 51.19 3.01 26
10 08/02/2025 20:44:08 -68.82, 47.51 128.79 08/02/2025 20:43:29 -68.81, 47.56 128.80 2.13 39
11 08/02/2025 21:34:54 68.77,-145.13 51.18 08/02/2025 21:33:56 68.79,-145.07 51.20 3.07 58
12 08/02/2025 22:25:37 -68.77, 22.20 128.82 08/02/2025 22:24:27 -68.75, 22.24 128.83 2.68 70
13 08/02/2025 23:16:14 68.24,-169.80 50.65 08/02/2025 23:15:03 68.25,-171.02 50.70 50.12 71
14 08/03/2025 00:06:49 -67.81, -1.93 129.78 08/03/2025 00:05:41 -67.83, -4.17 129.70 93.74 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/27/2025
SNOs_Map_NPP_GCOM-C_20250727.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/27/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C