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: 10/21/2023
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 10/25/2023 14:28:30 -69.23, 140.60 98.74 10/25/2023 14:29:40 -69.18, 142.12 98.76 60.31 70
2 10/25/2023 15:19:05 68.62, -51.27 80.68 10/25/2023 15:20:17 68.63, -51.22 80.70 2.20 72
3 10/25/2023 16:09:48 -68.59, 116.09 99.34 10/25/2023 16:10:48 -68.58, 116.08 99.35 1.20 60
4 10/25/2023 17:00:34 68.57, -76.58 80.65 10/25/2023 17:01:15 68.57, -76.54 80.66 1.59 41
5 10/25/2023 17:51:17 -68.54, 90.78 99.37 10/25/2023 17:51:46 -68.52, 90.77 99.39 2.21 29
6 10/25/2023 18:42:03 68.52,-101.88 80.63 10/25/2023 18:42:13 68.51,-101.85 80.62 1.55 10
7 10/25/2023 19:32:46 -68.49, 65.47 99.39 10/25/2023 19:32:44 -68.46, 65.46 99.42 3.21 2
8 10/25/2023 20:23:32 68.47,-127.19 80.60 10/25/2023 20:23:11 68.45,-127.16 80.59 2.12 21
9 10/25/2023 21:14:15 -68.44, 40.16 99.42 10/25/2023 21:13:41 -68.46, 40.21 99.40 2.85 34
10 10/25/2023 22:05:01 68.42,-152.50 80.58 10/25/2023 22:04:09 68.39,-152.48 80.55 2.96 52
11 10/25/2023 22:55:44 -68.39, 14.85 99.44 10/25/2023 22:54:39 -68.40, 14.90 99.44 2.22 65
12 10/25/2023 23:46:24 68.05,-177.40 80.24 10/25/2023 23:45:12 68.06,-178.13 80.24 30.42 72
13 10/26/2023 00:36:59 -67.59, -9.52 100.20 10/26/2023 00:35:50 -67.63, -11.28 100.19 74.66 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 10/21/2023
SNOs_Map_NPP_GCOM-C_20231021.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 10/21/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C