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: 11/11/2025
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 04:42:08 -69.61, -72.67 92.21 11/14/2025 04:43:17 -69.58, -70.95 92.21 66.78 69
2 11/14/2025 05:32:43 69.00, 95.51 87.20 11/14/2025 05:33:55 68.99, 95.62 87.20 4.56 72
3 11/14/2025 06:23:25 -68.92, -97.07 92.87 11/14/2025 06:24:26 -68.94, -97.08 92.85 1.74 61
4 11/14/2025 07:14:11 68.90, 70.27 87.12 11/14/2025 07:14:54 68.89, 70.24 87.11 1.76 43
5 11/14/2025 08:04:54 -68.87,-122.38 92.90 11/14/2025 08:05:24 -68.89,-122.39 92.89 1.38 30
6 11/14/2025 08:55:40 68.85, 44.97 87.09 11/14/2025 08:55:52 68.83, 44.93 87.07 2.06 12
7 11/14/2025 09:46:23 -68.82,-147.68 92.93 11/14/2025 09:46:22 -68.83,-147.70 92.92 1.03 1
8 11/14/2025 10:37:09 68.80, 19.66 87.06 11/14/2025 10:36:50 68.78, 19.62 87.04 2.38 19
9 11/14/2025 11:27:52 -68.78,-172.99 92.96 11/14/2025 11:27:20 -68.78,-173.00 92.96 0.70 32
10 11/14/2025 12:18:38 68.75, -5.65 87.02 11/14/2025 12:17:48 68.73, -5.69 87.00 2.71 50
11 11/14/2025 13:09:21 -68.73, 161.70 92.99 11/14/2025 13:08:18 -68.73, 161.69 93.00 0.45 63
12 11/14/2025 14:00:02 68.43, -30.60 86.73 11/14/2025 13:58:50 68.46, -31.27 86.74 27.75 72
13 11/14/2025 14:50:38 -68.03, 137.23 93.65 11/14/2025 14:49:28 -68.03, 135.55 93.69 69.69 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/11/2025
SNOs_Map_NPP_GCOM-C_20251112.jpg

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

Historial Predications of SNOs between NPP and GCOM-C