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: 4/25/2023
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 -69.34, -65.65 124.50 04/27/2023 04:15:56 -69.27, -64.04 124.59 63.91 69
2 04/27/2023 05:05:21 68.69, 102.56 54.82 04/27/2023 05:06:34 68.68, 102.55 54.81 1.34 73
3 04/27/2023 05:56:04 -68.66, -90.09 125.22 04/27/2023 05:57:04 -68.67, -90.08 125.21 1.45 60
4 04/27/2023 06:46:50 68.65, 77.24 54.76 04/27/2023 06:47:32 68.62, 77.24 54.73 3.08 42
5 04/27/2023 07:37:33 -68.62,-115.40 125.28 04/27/2023 07:38:02 -68.62,-115.39 125.29 0.62 29
6 04/27/2023 08:28:19 68.60, 51.93 54.69 04/27/2023 08:28:29 68.61, 51.99 54.70 2.93 10
7 04/27/2023 09:19:02 -68.58,-140.72 125.35 04/27/2023 09:19:00 -68.56,-140.71 125.37 2.19 2
8 04/27/2023 10:09:48 68.56, 26.61 54.62 04/27/2023 10:09:27 68.55, 26.68 54.62 2.86 21
9 04/27/2023 11:00:30 -68.48,-165.97 125.47 04/27/2023 10:59:58 -68.50,-166.02 125.45 2.97 32
10 04/27/2023 11:51:16 68.46, 1.36 54.50 04/27/2023 11:50:25 68.49, 1.36 54.54 3.61 51
11 04/27/2023 12:41:59 -68.43, 168.71 125.54 04/27/2023 12:40:56 -68.44, 168.67 125.53 1.95 63
12 04/27/2023 13:32:40 68.15, -23.61 54.17 04/27/2023 13:31:28 68.16, -24.29 54.18 28.32 72
13 04/27/2023 14:23:15 -67.69, 144.27 126.30 04/27/2023 14:22:06 -67.73, 142.55 126.26 72.82 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_NPP_GCOM-C_20230426.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/25/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C