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: 4/30/2023
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 05/10/2023 04:20:54 69.49, 112.59 51.84 05/10/2023 04:22:02 69.40, 114.60 51.75 79.05 68
2 05/10/2023 05:11:29 -69.02, -79.43 128.65 05/10/2023 05:12:41 -68.92, -78.68 128.75 31.81 72
3 05/10/2023 06:02:08 68.64, 88.38 50.96 05/10/2023 06:03:13 68.65, 88.34 50.97 1.72 65
4 05/10/2023 06:52:52 -68.65,-104.32 129.04 05/10/2023 06:53:43 -68.65,-104.28 129.04 1.73 51
5 05/10/2023 07:43:37 68.60, 63.06 50.90 05/10/2023 07:44:11 68.59, 63.03 50.89 1.63 34
6 05/10/2023 08:34:21 -68.61,-129.64 129.10 05/10/2023 08:34:41 -68.60,-129.58 129.11 2.60 20
7 05/10/2023 09:25:06 68.56, 37.75 50.84 05/10/2023 09:25:09 68.54, 37.72 50.82 2.47 3
8 05/10/2023 10:15:49 -68.52,-154.88 129.21 05/10/2023 10:15:39 -68.54,-154.89 129.18 3.17 10
9 05/10/2023 11:06:35 68.51, 12.43 50.78 05/10/2023 11:06:06 68.54, 12.49 50.80 3.38 29
10 05/10/2023 11:57:18 -68.47, 179.80 129.27 05/10/2023 11:56:37 -68.49, 179.80 129.26 1.86 41
11 05/10/2023 12:48:04 68.47, -12.89 50.72 05/10/2023 12:47:04 68.48, -12.82 50.73 3.02 60
12 05/10/2023 13:38:47 -68.43, 154.48 129.33 05/10/2023 13:37:35 -68.44, 154.49 129.33 0.84 72
13 05/10/2023 14:29:23 67.89, -37.53 50.12 05/10/2023 14:28:12 67.88, -38.81 50.11 53.68 71

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/30/2023
SNOs_Map_NPP_GCOM-C_20230430.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/30/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C