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: 7/29/2025
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 08/02/2025 13:07:46 69.88, -19.83 52.24 08/02/2025 13:08:53 69.82, -17.45 52.11 91.48 67
2 08/02/2025 13:58:21 -69.45, 148.12 128.20 08/02/2025 13:59:32 -69.34, 149.24 128.35 45.28 71
3 08/02/2025 14:48:58 68.98, -43.91 51.32 08/02/2025 14:50:05 68.96, -43.90 51.29 2.83 67
4 08/02/2025 15:39:41 -68.98, 123.41 128.68 08/02/2025 15:40:35 -68.96, 123.48 128.70 3.05 54
5 08/02/2025 16:30:26 68.88, -69.15 51.24 08/02/2025 16:31:03 68.90, -69.22 51.25 3.57 37
6 08/02/2025 17:21:10 -68.93, 98.11 128.71 08/02/2025 17:21:33 -68.91, 98.17 128.73 3.48 23
7 08/02/2025 18:11:55 68.83, -94.46 51.21 08/02/2025 18:12:01 68.85, -94.53 51.22 3.20 6
8 08/02/2025 19:02:38 -68.83, 72.87 128.79 08/02/2025 19:02:31 -68.85, 72.86 128.77 2.67 7
9 08/02/2025 19:53:25 68.84,-119.84 51.23 08/02/2025 19:52:58 68.84,-119.77 51.23 2.86 27
10 08/02/2025 20:44:07 -68.78, 47.56 128.82 08/02/2025 20:43:29 -68.80, 47.54 128.80 1.85 38
11 08/02/2025 21:34:54 68.79,-145.15 51.20 08/02/2025 21:33:56 68.79,-145.08 51.20 2.76 58
12 08/02/2025 22:25:36 -68.73, 22.25 128.85 08/02/2025 22:24:27 -68.74, 22.23 128.84 1.08 69
13 08/02/2025 23:16:14 68.26,-169.82 50.67 08/02/2025 23:15:03 68.24,-171.02 50.69 49.57 71
14 08/03/2025 00:06:48 -67.78, -1.89 129.82 08/03/2025 00:05:41 -67.82, -4.18 129.71 96.18 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/29/2025
SNOs_Map_NPP_GCOM-C_20250729.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/29/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C