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: 9/23/2023
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 09/29/2023 16:48:12 69.11, -74.12 71.50 09/29/2023 16:49:22 69.02, -72.94 71.42 48.20 70
2 09/29/2023 17:38:47 -68.64, 93.83 108.96 09/29/2023 17:39:59 -68.65, 93.94 108.95 4.29 72
3 09/29/2023 18:29:32 68.59, -98.79 71.01 09/29/2023 18:30:27 68.58, -98.76 71.00 1.43 55
4 09/29/2023 19:20:15 -68.55, 68.59 109.03 09/29/2023 19:20:58 -68.53, 68.55 109.04 2.44 43
5 09/29/2023 20:11:01 68.55,-124.10 70.99 09/29/2023 20:11:25 68.52,-124.08 70.96 3.25 24
6 09/29/2023 21:01:44 -68.51, 43.27 109.04 09/29/2023 21:01:55 -68.52, 43.30 109.02 2.32 11
7 09/29/2023 21:52:29 68.45,-149.35 70.92 09/29/2023 21:52:23 68.46,-149.39 70.93 1.89 6
8 09/29/2023 22:43:13 -68.46, 17.95 109.06 09/29/2023 22:42:53 -68.46, 17.98 109.06 1.46 20
9 09/29/2023 23:33:58 68.41,-174.67 70.91 09/29/2023 23:33:21 68.39,-174.71 70.89 2.27 37
10 09/30/2023 00:24:42 -68.42, -7.37 109.07 09/30/2023 00:23:51 -68.40, -7.33 109.10 2.91 51
11 09/30/2023 01:15:27 68.36, 160.01 70.89 09/30/2023 01:14:18 68.38, 160.04 70.91 2.61 69
12 09/30/2023 02:06:06 -68.11, -32.34 109.35 09/30/2023 02:04:53 -68.12, -32.92 109.35 23.95 73
13 09/30/2023 02:56:40 67.46, 135.76 70.02 09/30/2023 02:55:32 67.45, 133.66 69.99 89.70 68

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/23/2023
SNOs_Map_NPP_GCOM-C_20230923.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/23/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C