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: 3/12/2023
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 -69.25,-124.38 110.20 03/19/2023 08:10:28 -69.19,-122.73 110.30 65.31 69
2 03/19/2023 08:59:53 68.59, 43.83 69.11 03/19/2023 09:01:06 68.59, 43.85 69.10 0.68 73
3 03/19/2023 09:50:36 -68.56,-148.81 110.94 03/19/2023 09:51:37 -68.54,-148.84 110.97 2.79 61
4 03/19/2023 10:41:22 68.54, 18.53 69.03 03/19/2023 10:42:04 68.53, 18.53 69.01 1.17 42
5 03/19/2023 11:32:05 -68.51,-174.11 111.03 03/19/2023 11:32:34 -68.53,-174.09 111.01 2.76 29
6 03/19/2023 12:22:51 68.49, -6.77 68.94 03/19/2023 12:23:02 68.47, -6.79 68.92 2.23 11
7 03/19/2023 13:13:34 -68.45, 160.58 111.11 03/19/2023 13:13:32 -68.47, 160.59 111.09 1.66 2
8 03/19/2023 14:04:20 68.43, -32.08 68.86 03/19/2023 14:04:00 68.40, -32.10 68.83 3.35 20
9 03/19/2023 14:55:03 -68.40, 135.28 111.19 03/19/2023 14:54:30 -68.41, 135.28 111.18 0.64 33
10 03/19/2023 15:45:49 68.38, -57.38 68.78 03/19/2023 15:44:57 68.39, -57.35 68.80 2.28 52
11 03/19/2023 16:36:32 -68.35, 109.97 111.27 03/19/2023 16:35:28 -68.34, 109.96 111.27 0.69 64
12 03/19/2023 17:27:13 68.06, -82.35 68.42 03/19/2023 17:26:00 68.06, -83.01 68.44 27.54 73
13 03/19/2023 18:17:48 -67.60, 85.54 112.07 03/19/2023 18:16:39 -67.58, 83.78 112.05 74.82 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/12/2023
SNOs_Map_NPP_GCOM-C_20230312.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/12/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C