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: 1/3/2025
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 00:56:53 69.72, 162.60 92.03 01/07/2025 00:58:04 69.68, 163.66 91.96 41.09 71
2 01/07/2025 01:47:29 -69.29, -29.47 88.42 01/07/2025 01:48:41 -69.32, -29.48 88.40 3.07 72
3 01/07/2025 02:38:15 69.29, 137.84 91.58 01/07/2025 02:39:09 69.26, 137.84 91.55 3.22 54
4 01/07/2025 03:28:58 -69.24, -54.77 88.48 01/07/2025 03:29:40 -69.23, -54.84 88.49 3.04 42
5 01/07/2025 04:19:44 69.24, 112.54 91.52 01/07/2025 04:20:07 69.23, 112.55 91.51 1.61 23
6 01/07/2025 05:10:27 -69.19, -80.07 88.54 01/07/2025 05:10:38 -69.19, -80.13 88.54 2.27 11
7 01/07/2025 06:01:13 69.19, 87.23 91.46 01/07/2025 06:01:05 69.19, 87.26 91.46 0.98 8
8 01/07/2025 06:51:56 -69.14,-105.37 88.60 01/07/2025 06:51:36 -69.16,-105.42 88.58 2.67 20
9 01/07/2025 07:42:42 69.14, 61.93 91.40 01/07/2025 07:42:03 69.16, 61.97 91.42 2.34 39
10 01/07/2025 08:33:26 -69.14,-130.75 88.61 01/07/2025 08:32:34 -69.12,-130.70 88.63 2.85 52
11 01/07/2025 09:24:11 69.09, 36.63 91.34 01/07/2025 09:23:02 69.07, 36.61 91.32 2.69 69
12 01/07/2025 10:14:50 -68.82,-155.69 88.95 01/07/2025 10:13:37 -68.82,-156.35 88.93 26.73 73
13 01/07/2025 11:05:23 68.12, 12.53 90.34 01/07/2025 11:04:16 68.16, 10.19 90.44 97.13 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 1/3/2025
SNOs_Map_NPP_GCOM-C_20250103.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 01/03/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C