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: 2/15/2023
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 69.41, -4.84 79.95 02/21/2023 12:11:08 69.34, -2.69 79.81 84.63 67
2 02/21/2023 13:00:35 -68.89, 163.20 100.61 02/21/2023 13:01:47 -68.85, 164.02 100.68 33.12 72
3 02/21/2023 13:51:14 68.51, -28.98 78.98 02/21/2023 13:52:20 68.52, -29.02 78.99 2.60 66
4 02/21/2023 14:41:58 -68.52, 138.32 101.02 02/21/2023 14:42:50 -68.53, 138.35 101.02 1.50 52
5 02/21/2023 15:32:43 68.46, -54.29 78.91 02/21/2023 15:33:18 68.47, -54.34 78.91 1.97 35
6 02/21/2023 16:23:27 -68.48, 113.01 101.09 02/21/2023 16:23:48 -68.47, 113.04 101.10 1.64 21
7 02/21/2023 17:14:12 68.41, -79.60 78.84 02/21/2023 17:14:16 68.41, -79.65 78.83 1.92 4
8 02/21/2023 18:04:56 -68.43, 87.69 101.17 02/21/2023 18:04:46 -68.41, 87.73 101.18 2.42 10
9 02/21/2023 18:55:41 68.37,-104.92 78.76 02/21/2023 18:55:14 68.35,-104.96 78.75 2.48 27
10 02/21/2023 19:46:24 -68.33, 62.45 101.30 02/21/2023 19:45:44 -68.36, 62.42 101.26 3.17 40
11 02/21/2023 20:37:10 68.32,-130.23 78.69 02/21/2023 20:36:11 68.35,-130.20 78.72 3.31 59
12 02/21/2023 21:27:53 -68.28, 37.14 101.37 02/21/2023 21:26:42 -68.30, 37.11 101.35 2.07 71
13 02/21/2023 22:18:29 67.73,-154.86 78.06 02/21/2023 22:17:19 67.75,-156.18 78.12 55.62 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 2/15/2023
SNOs_Map_NPP_GCOM-C_20230215.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 02/15/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C