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 -69.62, -72.68 92.21 11/14/2025 04:43:18 -69.58, -70.95 92.21 67.45 69
2 11/14/2025 05:32:44 69.02, 95.48 87.21 11/14/2025 05:33:56 68.99, 95.61 87.20 5.97 72
3 11/14/2025 06:23:26 -68.93, -97.08 92.86 11/14/2025 06:24:27 -68.94, -97.08 92.85 0.98 61
4 11/14/2025 07:14:12 68.91, 70.25 87.13 11/14/2025 07:14:55 68.88, 70.23 87.10 3.38 43
5 11/14/2025 08:04:55 -68.88,-122.39 92.89 11/14/2025 08:05:25 -68.89,-122.38 92.89 0.72 30
6 11/14/2025 08:55:41 68.86, 44.94 87.10 11/14/2025 08:55:52 68.88, 45.00 87.12 3.22 11
7 11/14/2025 09:46:24 -68.83,-147.70 92.92 11/14/2025 09:46:23 -68.84,-147.69 92.92 0.47 1
8 11/14/2025 10:37:10 68.81, 19.64 87.07 11/14/2025 10:36:50 68.83, 19.69 87.09 3.00 20
9 11/14/2025 11:27:53 -68.78,-173.00 92.96 11/14/2025 11:27:21 -68.78,-173.00 92.96 0.26 32
10 11/14/2025 12:18:39 68.76, -5.67 87.04 11/14/2025 12:17:48 68.78, -5.62 87.05 2.80 51
11 11/14/2025 13:09:22 -68.73, 161.69 92.99 11/14/2025 13:08:19 -68.73, 161.70 92.99 0.26 63
12 11/14/2025 14:00:03 68.44, -30.62 86.75 11/14/2025 13:58:51 68.46, -31.28 86.74 26.91 72
13 11/14/2025 14:50:39 -68.04, 137.22 93.64 11/14/2025 14:49:29 -68.03, 135.56 93.69 69.02 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_NPP_GCOM-C_20251105.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