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: 1/22/2025
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 03:42:02 -69.85, -58.83 93.37 02/02/2025 03:43:11 -69.82, -57.06 93.48 68.04 69
2 02/02/2025 04:32:37 69.28, 109.30 86.02 02/02/2025 04:33:49 69.24, 109.49 85.97 8.88 72
3 02/02/2025 05:23:19 -69.17, -83.22 94.11 02/02/2025 05:24:20 -69.17, -83.22 94.12 0.61 61
4 02/02/2025 06:14:04 69.13, 84.14 85.84 02/02/2025 06:14:48 69.13, 84.10 85.84 1.72 44
5 02/02/2025 07:04:48 -69.12,-108.53 94.18 02/02/2025 07:05:18 -69.11,-108.54 94.19 0.93 30
6 02/02/2025 07:55:33 69.08, 58.84 85.77 02/02/2025 07:55:46 69.07, 58.78 85.76 2.52 13
7 02/02/2025 08:46:17 -69.07,-133.84 94.25 02/02/2025 08:46:16 -69.05,-133.86 94.27 2.25 1
8 02/02/2025 09:37:02 69.03, 33.53 85.70 02/02/2025 09:36:43 69.06, 33.54 85.73 3.39 19
9 02/02/2025 10:27:46 -69.02,-159.14 94.32 02/02/2025 10:27:13 -69.05,-159.11 94.30 3.06 33
10 02/02/2025 11:18:31 68.98, 8.22 85.63 02/02/2025 11:17:41 69.00, 8.22 85.66 2.06 50
11 02/02/2025 12:09:15 -68.98, 175.55 94.39 02/02/2025 12:08:11 -68.99, 175.58 94.37 1.78 64
12 02/02/2025 12:59:56 68.72, -16.80 85.34 02/02/2025 12:58:43 68.73, -17.39 85.37 23.81 73
13 02/02/2025 13:50:31 -68.23, 151.16 95.19 02/02/2025 13:49:22 -68.23, 149.34 95.12 74.99 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 1/22/2025
SNOs_Map_NPP_GCOM-C_20250122.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 01/22/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C