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: 4/22/2023
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 -69.33, -65.62 124.52 04/27/2023 04:15:57 -69.24, -64.08 124.61 61.53 70
2 04/27/2023 05:05:21 68.67, 102.58 54.81 04/27/2023 05:06:34 68.70, 102.58 54.83 2.94 73
3 04/27/2023 05:56:04 -68.64, -90.06 125.24 04/27/2023 05:57:05 -68.65, -90.11 125.23 2.17 61
4 04/27/2023 06:46:50 68.63, 77.26 54.74 04/27/2023 06:47:32 68.64, 77.26 54.75 1.20 42
5 04/27/2023 07:37:33 -68.60,-115.38 125.30 04/27/2023 07:38:03 -68.59,-115.43 125.32 2.34 30
6 04/27/2023 08:28:19 68.59, 51.95 54.68 04/27/2023 08:28:30 68.58, 51.95 54.67 0.59 11
7 04/27/2023 09:19:02 -68.56,-140.70 125.37 04/27/2023 09:19:00 -68.58,-140.67 125.34 3.21 2
8 04/27/2023 10:09:48 68.54, 26.63 54.61 04/27/2023 10:09:28 68.52, 26.64 54.59 2.33 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 1.74 33
10 04/27/2023 11:51:16 68.45, 1.38 54.49 04/27/2023 11:50:26 68.46, 1.32 54.51 3.07 50
11 04/27/2023 12:42:00 -68.47, 168.67 125.50 04/27/2023 12:40:56 -68.46, 168.70 125.51 1.35 64
12 04/27/2023 13:32:41 68.19, -23.66 54.21 04/27/2023 13:31:28 68.19, -24.27 54.21 25.03 73
13 04/27/2023 14:23:16 -67.73, 144.23 126.27 04/27/2023 14:22:06 -67.76, 142.58 126.23 69.57 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/22/2023
SNOs_Map_NPP_GCOM-C_20230422.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/22/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C