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: 11/4/2025
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, -72.66 92.22 11/14/2025 04:43:19 -69.54, -71.00 92.25 64.97 70
2 11/14/2025 05:32:44 69.00, 95.50 87.20 11/14/2025 05:33:56 69.00, 95.64 87.21 5.38 72
3 11/14/2025 06:23:26 -68.92, -97.07 92.88 11/14/2025 06:24:28 -68.90, -97.13 92.89 3.07 62
4 11/14/2025 07:14:12 68.90, 70.27 87.12 11/14/2025 07:14:55 68.90, 70.25 87.12 0.60 43
5 11/14/2025 08:04:55 -68.87,-122.37 92.91 11/14/2025 08:05:26 -68.85,-122.43 92.92 3.27 31
6 11/14/2025 08:55:41 68.85, 44.96 87.09 11/14/2025 08:55:53 68.85, 44.95 87.09 0.80 12
7 11/14/2025 09:46:24 -68.82,-147.68 92.94 11/14/2025 09:46:24 -68.80,-147.74 92.96 3.46 0
8 11/14/2025 10:37:10 68.80, 19.65 87.06 11/14/2025 10:36:51 68.79, 19.64 87.05 1.04 19
9 11/14/2025 11:27:53 -68.77,-172.99 92.97 11/14/2025 11:27:21 -68.80,-172.98 92.94 3.34 32
10 11/14/2025 12:18:39 68.75, -5.65 87.03 11/14/2025 12:17:49 68.74, -5.67 87.01 1.29 50
11 11/14/2025 13:09:22 -68.72, 161.71 93.00 11/14/2025 13:08:19 -68.75, 161.72 92.97 3.06 63
12 11/14/2025 14:00:04 68.49, -30.67 86.79 11/14/2025 13:58:51 68.47, -31.26 86.76 23.82 73
13 11/14/2025 14:50:39 -68.03, 137.23 93.66 11/14/2025 14:49:29 -68.05, 135.58 93.67 68.85 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_NPP_GCOM-C_20251104.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/04/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C