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: 2/16/2023
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 69.35, -2.67 79.82 85.05 67
2 02/21/2023 13:00:36 -68.94, 163.13 100.56 02/21/2023 13:01:47 -68.87, 164.04 100.67 37.23 71
3 02/21/2023 13:51:15 68.56, -29.04 79.04 02/21/2023 13:52:20 68.54, -29.00 79.01 2.52 65
4 02/21/2023 14:41:58 -68.52, 138.32 101.02 02/21/2023 14:42:50 -68.54, 138.37 101.01 3.19 52
5 02/21/2023 15:32:43 68.46, -54.28 78.91 02/21/2023 15:33:18 68.48, -54.32 78.93 3.11 35
6 02/21/2023 16:23:27 -68.47, 113.01 101.10 02/21/2023 16:23:48 -68.49, 113.06 101.09 2.47 21
7 02/21/2023 17:14:11 68.41, -79.60 78.83 02/21/2023 17:14:15 68.43, -79.63 78.85 2.04 4
8 02/21/2023 18:04:55 -68.43, 87.70 101.17 02/21/2023 18:04:45 -68.43, 87.75 101.17 2.20 10
9 02/21/2023 18:55:40 68.36,-104.91 78.76 02/21/2023 18:55:13 68.37,-104.94 78.77 1.19 27
10 02/21/2023 19:46:24 -68.38, 62.39 101.24 02/21/2023 19:45:43 -68.37, 62.44 101.25 2.55 41
11 02/21/2023 20:37:09 68.32,-130.22 78.68 02/21/2023 20:36:11 68.31,-130.25 78.68 1.22 58
12 02/21/2023 21:27:53 -68.33, 37.07 101.32 02/21/2023 21:26:41 -68.31, 37.13 101.33 3.32 72
13 02/21/2023 22:18:28 67.73,-154.86 78.05 02/21/2023 22:17:18 67.76,-156.16 78.13 55.04 70
14 02/21/2023 23:09:04 -67.32, 12.96 102.39 02/21/2023 23:07:57 -67.28, 10.64 102.35 99.53 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 2/16/2023
SNOs_Map_NPP_GCOM-C_20230216.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 02/16/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C