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: 1/9/2023
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 01/13/2023 16:04:29 69.16, -63.23 90.54 01/13/2023 16:05:38 69.09, -61.65 90.43 63.18 69
2 01/13/2023 16:55:04 -68.69, 104.72 89.95 01/13/2023 16:56:16 -68.65, 105.15 90.00 17.76 72
3 01/13/2023 17:45:46 68.46, -87.67 89.82 01/13/2023 17:46:46 68.49, -87.68 89.83 2.66 60
4 01/13/2023 18:36:30 -68.48, 79.63 90.18 01/13/2023 18:37:16 -68.49, 79.69 90.18 2.68 46
5 01/13/2023 19:27:15 68.41,-112.97 89.75 01/13/2023 19:27:44 68.43,-113.00 89.76 1.95 29
6 01/13/2023 20:17:59 -68.43, 54.32 90.24 01/13/2023 20:18:14 -68.43, 54.38 90.25 2.43 15
7 01/13/2023 21:08:44 68.36,-138.28 89.69 01/13/2023 21:08:42 68.37,-138.31 89.69 1.45 2
8 01/13/2023 21:59:28 -68.38, 29.01 90.31 01/13/2023 21:59:12 -68.37, 29.07 90.32 2.50 16
9 01/13/2023 22:50:12 68.31,-163.59 89.62 01/13/2023 22:49:39 68.31,-163.62 89.62 1.38 33
10 01/13/2023 23:40:56 -68.33, 3.71 90.37 01/13/2023 23:40:09 -68.31, 3.76 90.39 2.86 47
11 01/14/2023 00:31:41 68.26, 171.10 89.56 01/14/2023 00:30:37 68.25, 171.07 89.55 1.78 64
12 01/14/2023 01:22:23 -68.17, -21.46 90.55 01/14/2023 01:21:09 -68.14, -21.69 90.56 9.89 74
13 01/14/2023 02:12:57 67.50, 146.67 88.77 01/14/2023 02:11:48 67.48, 144.89 88.79 75.62 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 1/9/2023
SNOs_Map_NPP_GCOM-C_20230109.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 01/09/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C