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: 7/21/2023
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 07/26/2023 21:21:43 -69.32, 37.40 130.08 07/26/2023 21:22:52 -69.29, 39.16 130.15 69.32 69
2 07/26/2023 22:12:18 68.71,-154.46 49.30 07/26/2023 22:13:30 68.69,-154.27 49.27 8.24 72
3 07/26/2023 23:02:59 -68.58, 13.03 130.83 07/26/2023 23:04:02 -68.58, 12.97 130.83 2.56 63
4 07/26/2023 23:53:45 68.55,-179.63 49.16 07/26/2023 23:54:29 68.57,-179.66 49.17 2.29 44
5 07/27/2023 00:44:28 -68.53, -12.28 130.86 07/27/2023 00:45:00 -68.52, -12.35 130.88 3.07 32
6 07/27/2023 01:35:14 68.51, 155.06 49.12 07/27/2023 01:35:27 68.51, 155.03 49.13 1.37 13
7 07/27/2023 02:25:57 -68.48, -37.59 130.90 07/27/2023 02:25:57 -68.51, -37.60 130.87 3.14 0
8 07/27/2023 03:16:43 68.46, 129.75 49.09 07/27/2023 03:16:25 68.45, 129.71 49.08 2.06 18
9 07/27/2023 04:07:26 -68.43, -62.90 130.93 07/27/2023 04:06:55 -68.45, -62.92 130.92 1.55 31
10 07/27/2023 04:58:12 68.41, 104.43 49.06 07/27/2023 04:57:22 68.44, 104.46 49.09 3.20 50
11 07/27/2023 05:48:55 -68.38, -88.22 130.97 07/27/2023 05:47:53 -68.38, -88.23 130.96 0.76 62
12 07/27/2023 06:39:37 68.14, 79.40 48.80 07/27/2023 06:38:24 68.16, 78.87 48.83 22.03 73
13 07/27/2023 07:30:12 -67.69,-112.72 131.66 07/27/2023 07:29:02 -67.72,-114.29 131.58 66.18 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_NPP_GCOM-C_20230721.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 07/21/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C