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: 2/1/2025
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 02/02/2025 03:42:03 -69.89, -58.90 93.33 02/02/2025 03:43:12 -69.78, -57.13 93.52 68.97 69
2 02/02/2025 04:32:37 69.26, 109.33 86.00 02/02/2025 04:33:50 69.21, 109.44 85.94 7.10 73
3 02/02/2025 05:23:19 -69.15, -83.20 94.12 02/02/2025 05:24:20 -69.18, -83.21 94.10 3.29 61
4 02/02/2025 06:14:05 69.16, 84.10 85.87 02/02/2025 06:14:48 69.15, 84.12 85.86 1.34 43
5 02/02/2025 07:04:48 -69.11,-108.51 94.19 02/02/2025 07:05:18 -69.12,-108.53 94.18 2.15 30
6 02/02/2025 07:55:34 69.11, 58.79 85.80 02/02/2025 07:55:46 69.09, 58.81 85.78 2.27 12
7 02/02/2025 08:46:17 -69.06,-133.82 94.27 02/02/2025 08:46:16 -69.07,-133.85 94.26 1.39 1
8 02/02/2025 09:37:03 69.06, 33.48 85.73 02/02/2025 09:36:44 69.03, 33.49 85.70 3.50 19
9 02/02/2025 10:27:46 -69.01,-159.13 94.34 02/02/2025 10:27:14 -69.01,-159.17 94.33 1.64 32
10 02/02/2025 11:18:32 69.01, 8.18 85.66 02/02/2025 11:17:41 69.02, 8.24 85.68 2.91 51
11 02/02/2025 12:09:15 -68.96, 175.56 94.41 02/02/2025 12:08:12 -68.95, 175.52 94.41 2.62 63
12 02/02/2025 12:59:56 68.70, -16.77 85.31 02/02/2025 12:58:44 68.69, -17.44 85.34 26.99 72
13 02/02/2025 13:50:30 -68.22, 151.17 95.20 02/02/2025 13:49:21 -68.24, 149.35 95.10 75.19 69
14 02/15/2025 02:06:50 69.81, 145.04 82.48 02/15/2025 02:07:59 69.71, 146.68 82.31 63.99 69
15 02/15/2025 02:57:24 -69.28, -46.87 98.10 02/15/2025 02:58:38 -69.21, -46.66 98.19 11.49 74

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 2/1/2025
SNOs_Map_NPP_GCOM-C_20250201.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 02/01/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C