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: 7/5/2025
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 07/07/2025 14:36:33 69.95, -42.21 47.40 07/07/2025 14:37:39 69.90, -39.67 47.29 97.35 66
2 07/07/2025 15:27:07 -69.45, 125.85 133.12 07/07/2025 15:28:18 -69.41, 127.00 133.19 45.31 71
3 07/07/2025 16:17:45 69.00, -66.21 46.42 07/07/2025 16:18:53 68.99, -66.20 46.40 1.05 68
4 07/07/2025 17:08:28 -68.97, 101.14 133.61 07/07/2025 17:09:23 -68.98, 101.17 133.60 1.76 55
5 07/07/2025 17:59:14 68.95, -91.52 46.38 07/07/2025 17:59:51 68.93, -91.51 46.36 1.53 37
6 07/07/2025 18:49:57 -68.92, 75.83 133.65 07/07/2025 18:50:21 -68.93, 75.86 133.64 1.37 24
7 07/07/2025 19:40:43 68.90,-116.83 46.33 07/07/2025 19:40:49 68.88,-116.82 46.31 2.04 6
8 07/07/2025 20:31:26 -68.88, 50.52 133.69 07/07/2025 20:31:19 -68.88, 50.55 133.69 1.10 7
9 07/07/2025 21:22:12 68.85,-142.13 46.29 07/07/2025 21:21:47 68.83,-142.13 46.27 2.56 25
10 07/07/2025 22:12:55 -68.83, 25.22 133.73 07/07/2025 22:12:17 -68.82, 25.24 133.73 1.07 38
11 07/07/2025 23:03:41 68.80,-167.44 46.25 07/07/2025 23:02:45 68.77,-167.44 46.22 3.09 56
12 07/07/2025 23:54:24 -68.78, -0.09 133.78 07/07/2025 23:53:15 -68.77, -0.07 133.78 1.29 69
13 07/08/2025 00:45:02 68.32, 167.82 45.76 07/08/2025 00:43:51 68.29, 166.69 45.76 46.65 71
14 07/08/2025 01:35:36 -67.82, -24.22 134.75 07/08/2025 01:34:29 -67.85, -26.48 134.65 94.55 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/5/2025
SNOs_Map_NPP_GCOM-C_20250705.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/05/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C