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: 4/9/2023
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 04/14/2023 04:59:24 -69.21, -76.75 120.20 04/14/2023 05:00:34 -69.15, -75.33 120.27 56.55 70
2 04/14/2023 05:49:59 68.60, 91.39 59.17 04/14/2023 05:51:11 68.61, 91.33 59.18 2.59 72
3 04/14/2023 06:40:43 -68.63,-101.33 120.82 04/14/2023 06:41:41 -68.61,-101.29 120.84 2.08 58
4 04/14/2023 07:31:28 68.55, 66.08 59.09 04/14/2023 07:32:09 68.55, 66.02 59.09 2.50 41
5 04/14/2023 08:22:12 -68.58,-126.64 120.90 04/14/2023 08:22:39 -68.56,-126.60 120.92 2.54 27
6 04/14/2023 09:12:57 68.50, 40.77 59.01 04/14/2023 09:13:07 68.50, 40.71 59.01 2.62 10
7 04/14/2023 10:03:41 -68.53,-151.94 120.98 04/14/2023 10:03:37 -68.50,-151.91 121.00 3.12 4
8 04/14/2023 10:54:26 68.45, 15.46 58.94 04/14/2023 10:54:05 68.44, 15.40 58.93 2.91 21
9 04/14/2023 11:45:09 -68.42,-177.18 121.11 04/14/2023 11:44:35 -68.44,-177.22 121.09 2.91 34
10 04/14/2023 12:35:55 68.40, -9.85 58.86 04/14/2023 12:35:03 68.38, -9.91 58.85 3.33 52
11 04/14/2023 13:26:38 -68.37, 157.51 121.18 04/14/2023 13:25:33 -68.39, 157.47 121.17 2.41 65
12 04/14/2023 14:17:18 68.02, -34.74 58.46 04/14/2023 14:16:06 68.05, -35.57 58.50 34.46 72
13 04/14/2023 15:07:53 -67.57, 133.14 122.02 04/14/2023 15:06:45 -67.57, 131.22 122.00 81.43 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_NPP_GCOM-C_20230409.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/09/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C