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: 11/2/2025
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 11/14/2025 04:42:09 -69.61, -72.67 92.21 11/14/2025 04:43:18 -69.59, -70.93 92.20 67.43 69
2 11/14/2025 05:32:44 69.01, 95.49 87.21 11/14/2025 05:33:56 68.99, 95.62 87.20 5.59 72
3 11/14/2025 06:23:26 -68.92, -97.07 92.87 11/14/2025 06:24:27 -68.95, -97.07 92.84 2.62 61
4 11/14/2025 07:14:12 68.91, 70.26 87.13 11/14/2025 07:14:55 68.89, 70.24 87.11 2.27 43
5 11/14/2025 08:04:55 -68.88,-122.38 92.90 11/14/2025 08:05:25 -68.90,-122.37 92.88 2.35 30
6 11/14/2025 08:55:41 68.86, 44.95 87.10 11/14/2025 08:55:53 68.84, 44.93 87.07 2.55 12
7 11/14/2025 09:46:24 -68.83,-147.69 92.93 11/14/2025 09:46:23 -68.84,-147.68 92.91 2.08 1
8 11/14/2025 10:37:10 68.81, 19.64 87.07 11/14/2025 10:36:51 68.78, 19.63 87.04 2.82 19
9 11/14/2025 11:27:53 -68.78,-172.99 92.96 11/14/2025 11:27:21 -68.79,-172.99 92.95 1.81 32
10 11/14/2025 12:18:39 68.76, -5.66 87.04 11/14/2025 12:17:49 68.73, -5.68 87.00 3.10 50
11 11/14/2025 13:09:22 -68.73, 161.70 92.99 11/14/2025 13:08:19 -68.74, 161.71 92.98 1.55 63
12 11/14/2025 14:00:03 68.44, -30.61 86.74 11/14/2025 13:58:51 68.46, -31.27 86.75 26.89 72
13 11/14/2025 14:50:39 -68.03, 137.23 93.65 11/14/2025 14:49:29 -68.04, 135.57 93.68 68.95 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/2/2025
SNOs_Map_NPP_GCOM-C_20251103.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/02/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C