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: 3/7/2023
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 03/19/2023 08:09:19 -69.24,-124.37 110.21 03/19/2023 08:10:28 -69.18,-122.74 110.31 64.52 69
2 03/19/2023 08:59:53 68.59, 43.84 69.11 03/19/2023 09:01:06 68.58, 43.84 69.09 1.22 73
3 03/19/2023 09:50:36 -68.55,-148.80 110.95 03/19/2023 09:51:37 -68.53,-148.85 110.98 3.36 61
4 03/19/2023 10:41:22 68.54, 18.53 69.02 03/19/2023 10:42:04 68.52, 18.52 69.00 2.35 42
5 03/19/2023 11:32:05 -68.50,-174.10 111.03 03/19/2023 11:32:34 -68.52,-174.10 111.01 2.50 29
6 03/19/2023 12:22:51 68.48, -6.77 68.94 03/19/2023 12:23:01 68.51, -6.73 68.96 3.19 10
7 03/19/2023 13:13:34 -68.45, 160.60 111.12 03/19/2023 13:13:32 -68.46, 160.58 111.10 1.54 2
8 03/19/2023 14:04:20 68.43, -32.08 68.86 03/19/2023 14:03:59 68.44, -32.05 68.87 2.02 21
9 03/19/2023 14:55:03 -68.39, 135.29 111.20 03/19/2023 14:54:30 -68.40, 135.27 111.19 1.05 33
10 03/19/2023 15:45:49 68.38, -57.38 68.77 03/19/2023 15:44:57 68.38, -57.36 68.78 0.89 52
11 03/19/2023 16:36:32 -68.34, 109.98 111.28 03/19/2023 16:35:28 -68.33, 109.95 111.28 1.55 64
12 03/19/2023 17:27:12 68.00, -82.27 68.36 03/19/2023 17:26:00 68.05, -83.02 68.43 31.61 72
13 03/19/2023 18:17:48 -67.59, 85.55 112.08 03/19/2023 18:16:39 -67.57, 83.77 112.06 75.69 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/7/2023
SNOs_Map_NPP_GCOM-C_20230307.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/07/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C