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: 9/21/2023
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 09/29/2023 16:48:12 69.07, -74.06 71.46 09/29/2023 16:49:23 69.00, -72.96 71.40 44.56 71
2 09/29/2023 17:38:47 -68.60, 93.89 109.00 09/29/2023 17:40:01 -68.58, 93.85 109.02 3.26 74
3 09/29/2023 18:29:32 68.55, -98.73 70.96 09/29/2023 18:30:28 68.56, -98.78 70.98 2.65 56
4 09/29/2023 19:20:16 -68.56, 68.57 109.02 09/29/2023 19:20:58 -68.57, 68.60 109.01 1.51 42
5 09/29/2023 20:11:01 68.50,-124.05 70.95 09/29/2023 20:11:26 68.50,-124.10 70.94 2.17 25
6 09/29/2023 21:01:45 -68.51, 43.26 109.03 09/29/2023 21:01:56 -68.50, 43.28 109.04 1.48 11
7 09/29/2023 21:52:30 68.46,-149.37 70.93 09/29/2023 21:52:23 68.49,-149.35 70.96 3.37 7
8 09/29/2023 22:43:13 -68.42, 18.01 109.10 09/29/2023 22:42:54 -68.44, 17.96 109.08 3.25 19
9 09/29/2023 23:33:59 68.42,-174.68 70.92 09/29/2023 23:33:21 68.43,-174.67 70.93 1.32 38
10 09/30/2023 00:24:42 -68.37, -7.31 109.12 09/30/2023 00:23:52 -68.38, -7.35 109.11 1.83 50
11 09/30/2023 01:15:28 68.37, 160.00 70.90 09/30/2023 01:14:19 68.36, 160.02 70.89 1.38 69
12 09/30/2023 02:06:07 -68.12, -32.36 109.35 09/30/2023 02:04:54 -68.10, -32.94 109.37 24.37 73
13 09/30/2023 02:56:40 67.41, 135.81 69.98 09/30/2023 02:55:33 67.43, 133.64 69.97 92.94 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/21/2023
SNOs_Map_NPP_GCOM-C_20230921.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/21/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C