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: 1/18/2025
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 01/20/2025 05:17:07 69.72, 97.56 89.77 01/20/2025 05:18:17 69.69, 98.89 89.70 51.47 70
2 01/20/2025 06:07:42 -69.23, -94.43 90.74 01/20/2025 06:08:55 -69.25, -94.36 90.74 2.94 73
3 01/20/2025 06:58:27 69.19, 72.95 89.21 01/20/2025 06:59:23 69.21, 72.96 89.22 2.17 56
4 01/20/2025 07:49:11 -69.18,-119.73 90.81 01/20/2025 07:49:53 -69.19,-119.68 90.81 2.24 42
5 01/20/2025 08:39:56 69.14, 47.64 89.14 01/20/2025 08:40:21 69.15, 47.65 89.15 1.33 25
6 01/20/2025 09:30:40 -69.13,-145.04 90.88 01/20/2025 09:30:51 -69.14,-144.99 90.88 1.69 11
7 01/20/2025 10:21:25 69.09, 22.34 89.07 01/20/2025 10:21:19 69.09, 22.33 89.08 0.56 6
8 01/20/2025 11:12:09 -69.09,-170.34 90.94 01/20/2025 11:11:49 -69.08,-170.31 90.95 1.47 20
9 01/20/2025 12:02:54 69.04, -2.97 89.00 01/20/2025 12:02:17 69.04, -2.98 89.01 0.52 37
10 01/20/2025 12:53:38 -69.04, 164.35 91.01 01/20/2025 12:52:47 -69.02, 164.38 91.02 1.70 51
11 01/20/2025 13:44:23 68.99, -28.27 88.94 01/20/2025 13:43:15 68.98, -28.29 88.94 1.26 68
12 01/20/2025 14:35:02 -68.72, 139.41 91.36 01/20/2025 14:33:49 -68.75, 138.77 91.29 25.85 73
13 01/20/2025 15:25:36 68.08, -52.45 87.98 01/20/2025 15:24:29 68.06, -54.74 88.04 94.97 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 1/18/2025
SNOs_Map_NPP_GCOM-C_20250118.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 01/18/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C