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: 1/1/2025
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 01/07/2025 00:56:54 69.74, 162.56 92.06 01/07/2025 00:58:05 69.64, 163.61 91.92 41.94 71
2 01/07/2025 01:47:30 -69.31, -29.50 88.39 01/07/2025 01:48:41 -69.33, -29.45 88.38 2.92 71
3 01/07/2025 02:38:15 69.27, 137.88 91.56 01/07/2025 02:39:09 69.28, 137.86 91.56 1.60 54
4 01/07/2025 03:28:59 -69.26, -54.80 88.46 01/07/2025 03:29:40 -69.24, -54.82 88.48 2.14 41
5 01/07/2025 04:19:44 69.22, 112.57 91.50 01/07/2025 04:20:07 69.24, 112.57 91.52 3.10 23
6 01/07/2025 05:10:27 -69.21, -80.11 88.52 01/07/2025 05:10:37 -69.21, -80.10 88.52 0.42 10
7 01/07/2025 06:01:12 69.16, 87.27 91.43 01/07/2025 06:01:05 69.15, 87.21 91.42 2.87 7
8 01/07/2025 06:51:56 -69.16,-105.41 88.58 01/07/2025 06:51:35 -69.17,-105.39 88.57 1.40 21
9 01/07/2025 07:42:41 69.11, 61.97 91.37 01/07/2025 07:42:03 69.12, 61.92 91.38 2.08 38
10 01/07/2025 08:33:25 -69.11,-130.71 88.64 01/07/2025 08:32:33 -69.14,-130.68 88.61 3.16 52
11 01/07/2025 09:24:10 69.06, 36.67 91.31 01/07/2025 09:23:01 69.08, 36.63 91.34 2.53 69
12 01/07/2025 10:14:49 -68.79,-155.65 88.98 01/07/2025 10:13:36 -68.83,-156.33 88.92 27.75 73

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 1/1/2025
SNOs_Map_NPP_GCOM-C_20250101.jpg

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

Historial Predications of SNOs between NPP and GCOM-C