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: 4/21/2023
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 -69.35, -65.66 124.50 04/27/2023 04:15:57 -69.27, -64.04 124.59 64.40 69
2 04/27/2023 05:05:22 68.70, 102.54 54.84 04/27/2023 05:06:35 68.67, 102.54 54.81 3.30 73
3 04/27/2023 05:56:05 -68.67, -90.10 125.21 04/27/2023 05:57:05 -68.67, -90.08 125.21 0.98 60
4 04/27/2023 06:46:50 68.60, 77.30 54.72 04/27/2023 06:47:33 68.61, 77.23 54.72 2.89 43
5 04/27/2023 07:37:34 -68.63,-115.41 125.28 04/27/2023 07:38:03 -68.62,-115.39 125.29 1.45 29
6 04/27/2023 08:28:19 68.56, 51.98 54.65 04/27/2023 08:28:31 68.55, 51.91 54.64 2.76 12
7 04/27/2023 09:19:03 -68.58,-140.73 125.34 04/27/2023 09:19:01 -68.56,-140.71 125.37 3.04 2
8 04/27/2023 10:09:48 68.52, 26.66 54.58 04/27/2023 10:09:28 68.55, 26.67 54.61 3.46 20
9 04/27/2023 11:00:31 -68.49,-165.98 125.46 04/27/2023 10:59:59 -68.50,-166.02 125.45 2.17 32
10 04/27/2023 11:51:17 68.47, 1.35 54.52 04/27/2023 11:50:26 68.49, 1.36 54.53 1.76 51
11 04/27/2023 12:41:59 -68.44, 168.70 125.53 04/27/2023 12:40:56 -68.44, 168.67 125.53 1.56 63
12 04/27/2023 13:32:40 68.16, -23.63 54.18 04/27/2023 13:31:28 68.16, -24.30 54.18 27.85 72
13 04/27/2023 14:23:15 -67.70, 144.26 126.30 04/27/2023 14:22:06 -67.73, 142.55 126.26 72.38 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_NPP_GCOM-C_20230421.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/21/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C