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: 4/15/2023
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 04/27/2023 04:14:47 -69.32, -65.62 124.53 04/27/2023 04:15:57 -69.27, -64.04 124.59 62.41 70
2 04/27/2023 05:05:22 68.73, 102.50 54.87 04/27/2023 05:06:34 68.72, 102.60 54.85 4.58 72
3 04/27/2023 05:56:05 -68.70, -90.13 125.19 04/27/2023 05:57:05 -68.67, -90.08 125.21 3.18 60
4 04/27/2023 06:46:50 68.64, 77.25 54.75 04/27/2023 06:47:32 68.66, 77.29 54.77 2.86 42
5 04/27/2023 07:37:33 -68.60,-115.38 125.31 04/27/2023 07:38:03 -68.61,-115.40 125.29 1.95 30
6 04/27/2023 08:28:19 68.59, 51.94 54.68 04/27/2023 08:28:30 68.60, 51.97 54.69 1.71 11
7 04/27/2023 09:19:02 -68.55,-140.69 125.37 04/27/2023 09:19:01 -68.56,-140.71 125.37 0.61 1
8 04/27/2023 10:09:48 68.55, 26.62 54.62 04/27/2023 10:09:28 68.54, 26.66 54.61 1.90 20
9 04/27/2023 11:00:31 -68.51,-166.01 125.44 04/27/2023 10:59:59 -68.50,-166.02 125.45 1.62 32
10 04/27/2023 11:51:17 68.51, 1.30 54.55 04/27/2023 11:50:26 68.48, 1.35 54.53 3.20 51
11 04/27/2023 12:42:00 -68.47, 168.67 125.51 04/27/2023 12:40:57 -68.44, 168.67 125.53 3.26 63
12 04/27/2023 13:32:41 68.19, -23.67 54.21 04/27/2023 13:31:28 68.21, -24.24 54.23 23.71 73
13 04/27/2023 14:23:16 -67.72, 144.23 126.27 04/27/2023 14:22:07 -67.73, 142.55 126.26 71.02 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_NPP_GCOM-C_20230415.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C