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 -69.30, -65.59 124.55 04/27/2023 04:15:57 -69.21, -64.11 124.64 58.89 70
2 04/27/2023 05:05:22 68.70, 102.55 54.83 04/27/2023 05:06:34 68.67, 102.55 54.80 3.08 72
3 04/27/2023 05:56:05 -68.67, -90.10 125.21 04/27/2023 05:57:04 -68.67, -90.08 125.21 0.82 59
4 04/27/2023 06:46:50 68.60, 77.30 54.71 04/27/2023 06:47:32 68.61, 77.23 54.72 3.02 42
5 04/27/2023 07:37:33 -68.63,-115.42 125.28 04/27/2023 07:38:01 -68.61,-115.40 125.30 2.36 28
6 04/27/2023 08:28:18 68.56, 51.98 54.65 04/27/2023 08:28:29 68.55, 51.91 54.64 2.99 11
7 04/27/2023 09:19:01 -68.53,-140.66 125.40 04/27/2023 09:18:59 -68.55,-140.71 125.38 2.73 2
8 04/27/2023 10:09:47 68.51, 26.67 54.58 04/27/2023 10:09:26 68.54, 26.67 54.61 3.13 21
9 04/27/2023 11:00:30 -68.49,-165.98 125.46 04/27/2023 10:59:57 -68.49,-166.03 125.46 1.94 33
10 04/27/2023 11:51:16 68.47, 1.35 54.51 04/27/2023 11:50:24 68.48, 1.35 54.53 1.20 52
11 04/27/2023 12:41:59 -68.44, 168.70 125.53 04/27/2023 12:40:55 -68.43, 168.66 125.55 2.71 64
12 04/27/2023 13:32:39 68.10, -23.56 54.12 04/27/2023 13:31:27 68.15, -24.31 54.17 31.52 72
13 04/27/2023 14:23:15 -67.70, 144.26 126.29 04/27/2023 14:22:05 -67.72, 142.54 126.28 72.71 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_NPP_GCOM-C_20230425.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