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: 4/20/2023
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 -69.32, -65.62 124.53 04/27/2023 04:15:57 -69.24, -64.08 124.62 61.09 70
2 04/27/2023 05:05:21 68.67, 102.58 54.81 04/27/2023 05:06:34 68.69, 102.57 54.82 2.12 73
3 04/27/2023 05:56:04 -68.64, -90.06 125.24 04/27/2023 05:57:05 -68.64, -90.12 125.24 2.63 61
4 04/27/2023 06:46:50 68.63, 77.26 54.74 04/27/2023 06:47:32 68.63, 77.25 54.74 0.50 42
5 04/27/2023 07:37:33 -68.60,-115.37 125.31 04/27/2023 07:38:03 -68.58,-115.44 125.32 3.00 30
6 04/27/2023 08:28:19 68.59, 51.95 54.67 04/27/2023 08:28:30 68.57, 51.94 54.66 1.55 11
7 04/27/2023 09:19:02 -68.55,-140.69 125.37 04/27/2023 09:19:00 -68.58,-140.68 125.35 2.64 2
8 04/27/2023 10:09:48 68.54, 26.63 54.61 04/27/2023 10:09:28 68.51, 26.63 54.58 3.31 20
9 04/27/2023 11:00:31 -68.51,-166.01 125.44 04/27/2023 10:59:58 -68.52,-165.99 125.43 1.02 33
10 04/27/2023 11:51:17 68.50, 1.31 54.54 04/27/2023 11:50:25 68.51, 1.38 54.55 2.92 52
11 04/27/2023 12:42:00 -68.47, 168.67 125.51 04/27/2023 12:40:56 -68.46, 168.69 125.51 1.19 64
12 04/27/2023 13:32:41 68.19, -23.66 54.20 04/27/2023 13:31:28 68.18, -24.28 54.20 25.60 73
13 04/27/2023 14:23:16 -67.72, 144.23 126.27 04/27/2023 14:22:06 -67.75, 142.57 126.24 70.09 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/20/2023
SNOs_Map_NPP_GCOM-C_20230420.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/20/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C