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: 2/18/2023
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 02/21/2023 12:10:01 69.39, -4.82 79.93 02/21/2023 12:11:09 69.32, -2.72 79.79 82.72 68
2 02/21/2023 13:00:36 -68.93, 163.14 100.57 02/21/2023 13:01:47 -68.89, 164.06 100.65 37.03 71
3 02/21/2023 13:51:15 68.55, -29.03 79.02 02/21/2023 13:52:20 68.56, -28.98 79.03 2.41 65
4 02/21/2023 14:41:57 -68.51, 138.34 101.03 02/21/2023 14:42:50 -68.51, 138.32 101.04 0.76 53
5 02/21/2023 15:32:43 68.50, -54.34 78.95 02/21/2023 15:33:17 68.50, -54.29 78.95 1.96 34
6 02/21/2023 16:23:26 -68.46, 113.02 101.11 02/21/2023 16:23:48 -68.45, 113.01 101.12 1.75 22
7 02/21/2023 17:14:12 68.45, -79.65 78.87 02/21/2023 17:14:15 68.44, -79.60 78.86 2.11 3
8 02/21/2023 18:04:55 -68.42, 87.71 101.18 02/21/2023 18:04:46 -68.39, 87.70 101.20 2.83 9
9 02/21/2023 18:55:41 68.40,-104.96 78.80 02/21/2023 18:55:13 68.39,-104.91 78.78 2.78 28
10 02/21/2023 19:46:24 -68.37, 62.40 101.25 02/21/2023 19:45:43 -68.39, 62.46 101.23 3.36 41
11 02/21/2023 20:37:09 68.30,-130.21 78.67 02/21/2023 20:36:11 68.33,-130.22 78.70 3.06 58
12 02/21/2023 21:27:53 -68.32, 37.08 101.33 02/21/2023 21:26:41 -68.33, 37.15 101.31 2.94 72
13 02/21/2023 22:18:29 67.77,-154.91 78.09 02/21/2023 22:17:18 67.78,-156.14 78.15 51.80 71
14 02/21/2023 23:09:04 -67.31, 12.97 102.40 02/21/2023 23:07:57 -67.30, 10.66 102.33 99.12 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 2/18/2023
SNOs_Map_NPP_GCOM-C_20230218.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 02/18/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C