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: 3/3/2025
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 03/12/2025 22:56:07 69.78,-167.20 72.70 03/12/2025 22:57:16 69.72,-165.47 72.58 66.63 69
2 03/12/2025 23:46:42 -69.34, 0.77 107.78 03/12/2025 23:47:54 -69.29, 1.28 107.86 20.91 72
3 03/13/2025 00:37:24 69.10, 168.41 71.96 03/13/2025 00:38:24 69.12, 168.44 71.97 2.13 60
4 03/13/2025 01:28:07 -69.08, -24.24 108.07 03/13/2025 01:28:55 -69.06, -24.26 108.10 2.55 48
5 03/13/2025 02:18:53 69.06, 143.10 71.89 03/13/2025 02:19:22 69.06, 143.11 71.88 0.81 29
6 03/13/2025 03:09:36 -69.04, -49.56 108.15 03/13/2025 03:09:52 -69.05, -49.51 108.14 2.17 16
7 03/13/2025 04:00:22 69.02, 117.78 71.82 03/13/2025 04:00:20 68.99, 117.79 71.79 2.77 2
8 03/13/2025 04:51:05 -69.00, -74.87 108.22 03/13/2025 04:50:50 -68.99, -74.84 108.23 1.75 15
9 03/13/2025 05:41:50 68.92, 92.54 71.69 03/13/2025 05:41:18 68.93, 92.47 71.70 3.06 32
10 03/13/2025 06:32:33 -68.90,-100.12 108.35 03/13/2025 06:31:48 -68.93,-100.16 108.32 3.19 45
11 03/13/2025 07:23:20 68.93, 67.15 71.67 03/13/2025 07:22:15 68.92, 67.22 71.67 2.96 65
12 03/13/2025 08:14:01 -68.81,-125.36 108.48 03/13/2025 08:12:47 -68.81,-125.55 108.46 7.83 74
13 03/13/2025 09:04:35 68.14, 42.83 70.82 03/13/2025 09:03:26 68.15, 40.98 70.90 76.50 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/3/2025
SNOs_Map_NPP_GCOM-C_20250303.jpg

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

Historial Predications of SNOs between NPP and GCOM-C