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: 4/17/2023
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 04/27/2023 04:14:47 -69.31, -65.60 124.54 04/27/2023 04:15:57 -69.25, -64.06 124.61 60.75 70
2 04/27/2023 05:05:22 68.72, 102.52 54.85 04/27/2023 05:06:34 68.70, 102.59 54.84 2.92 72
3 04/27/2023 05:56:05 -68.68, -90.11 125.20 04/27/2023 05:57:05 -68.65, -90.10 125.23 2.92 60
4 04/27/2023 06:46:50 68.62, 77.28 54.73 04/27/2023 06:47:32 68.64, 77.27 54.75 2.72 42
5 04/27/2023 07:37:33 -68.58,-115.36 125.32 04/27/2023 07:38:03 -68.59,-115.42 125.31 2.80 30
6 04/27/2023 08:28:19 68.58, 51.96 54.66 04/27/2023 08:28:30 68.58, 51.96 54.67 0.95 11
7 04/27/2023 09:19:02 -68.54,-140.67 125.39 04/27/2023 09:19:01 -68.54,-140.73 125.39 2.40 1
8 04/27/2023 10:09:48 68.53, 26.64 54.60 04/27/2023 10:09:28 68.52, 26.64 54.59 0.87 20
9 04/27/2023 11:00:31 -68.50,-165.99 125.45 04/27/2023 10:59:59 -68.48,-166.05 125.47 3.13 32
10 04/27/2023 11:51:17 68.49, 1.33 54.53 04/27/2023 11:50:26 68.46, 1.33 54.51 2.65 51
11 04/27/2023 12:42:00 -68.45, 168.69 125.52 04/27/2023 12:40:56 -68.47, 168.71 125.50 2.17 64
12 04/27/2023 13:32:41 68.18, -23.65 54.19 04/27/2023 13:31:28 68.19, -24.26 54.21 25.50 73
13 04/27/2023 14:23:16 -67.71, 144.25 126.29 04/27/2023 14:22:07 -67.71, 142.52 126.28 72.83 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_NPP_GCOM-C_20230418.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/17/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C