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: 4/15/2023
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 04:14:48 -69.34, -65.64 124.51 04/27/2023 04:15:57 -69.29, -64.00 124.56 64.41 69
2 04/27/2023 05:05:22 68.69, 102.55 54.83 04/27/2023 05:06:35 68.69, 102.57 54.82 0.72 73
3 04/27/2023 05:56:04 -68.66, -90.08 125.23 04/27/2023 05:57:05 -68.64, -90.12 125.24 2.01 61
4 04/27/2023 06:46:50 68.65, 77.24 54.76 04/27/2023 06:47:32 68.63, 77.25 54.74 2.18 42
5 04/27/2023 07:37:33 -68.61,-115.40 125.29 04/27/2023 07:38:03 -68.59,-115.43 125.32 3.30 30
6 04/27/2023 08:28:18 68.55, 51.99 54.64 04/27/2023 08:28:30 68.57, 51.94 54.66 2.99 12
7 04/27/2023 09:19:02 -68.57,-140.71 125.36 04/27/2023 09:19:00 -68.58,-140.68 125.35 2.01 2
8 04/27/2023 10:09:47 68.51, 26.67 54.58 04/27/2023 10:09:28 68.51, 26.63 54.58 1.97 19
9 04/27/2023 11:00:31 -68.53,-166.03 125.42 04/27/2023 10:59:58 -68.52,-165.99 125.43 1.70 33
10 04/27/2023 11:51:16 68.47, 1.36 54.51 04/27/2023 11:50:26 68.45, 1.31 54.50 2.20 50
11 04/27/2023 12:42:00 -68.48, 168.65 125.49 04/27/2023 12:40:56 -68.46, 168.70 125.51 2.80 64
12 04/27/2023 13:32:40 68.15, -23.62 54.17 04/27/2023 13:31:28 68.18, -24.28 54.20 27.39 72
13 04/27/2023 14:23:16 -67.74, 144.21 126.26 04/27/2023 14:22:06 -67.75, 142.58 126.24 68.96 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_NPP_GCOM-C_20230416.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C