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: 4/7/2025
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 04/07/2025 20:36:33 -69.62, 47.98 117.62 04/07/2025 20:37:43 -69.56, 49.34 117.71 53.24 70
2 04/07/2025 21:27:10 69.10,-143.97 61.83 04/07/2025 21:28:19 69.07,-143.96 61.80 2.74 69
3 04/07/2025 22:17:53 -69.09, 23.36 118.19 04/07/2025 22:18:49 -69.08, 23.43 118.21 2.84 56
4 04/07/2025 23:08:39 69.04,-169.27 61.75 04/07/2025 23:09:17 69.02,-169.26 61.73 2.09 38
5 04/07/2025 23:59:22 -69.03, -1.94 118.28 04/07/2025 23:59:47 -69.03, -1.88 118.28 2.36 25
6 04/08/2025 00:50:08 68.99, 165.43 61.66 04/08/2025 00:50:15 68.97, 165.43 61.65 1.49 7
7 04/08/2025 01:40:51 -68.98, -27.24 118.36 04/08/2025 01:40:45 -68.98, -27.18 118.36 2.04 6
8 04/08/2025 02:31:37 68.93, 140.14 61.58 04/08/2025 02:31:13 68.92, 140.12 61.58 0.98 24
9 04/08/2025 03:22:20 -68.92, -52.53 118.44 04/08/2025 03:21:43 -68.93, -52.49 118.43 1.96 37
10 04/08/2025 04:13:06 68.87, 114.84 61.50 04/08/2025 04:12:11 68.87, 114.82 61.50 0.77 55
11 04/08/2025 05:03:49 -68.87, -77.83 118.53 04/08/2025 05:02:41 -68.88, -77.79 118.51 2.11 68
12 04/08/2025 05:54:28 68.44, 90.04 61.03 04/08/2025 05:53:16 68.44, 89.02 61.05 41.77 72
13 04/08/2025 06:45:02 -67.96,-102.02 119.48 04/08/2025 06:43:55 -67.97,-104.21 119.43 91.59 67
14 04/20/2025 19:01:50 69.68,-108.39 57.79 04/20/2025 19:02:59 69.61,-106.84 57.69 60.67 69
15 04/20/2025 19:52:25 -69.22, 59.59 122.69 04/20/2025 19:53:38 -69.14, 59.87 122.78 14.50 73
16 04/20/2025 20:43:08 69.04,-132.86 57.11 04/20/2025 20:44:06 69.07,-132.83 57.14 3.18 58
17 04/20/2025 21:33:51 -69.01, 34.51 122.94 04/20/2025 21:34:37 -69.03, 34.49 122.91 3.02 46
18 04/20/2025 22:24:37 68.99,-158.16 57.04 04/20/2025 22:25:04 69.02,-158.14 57.06 3.23 27
19 04/20/2025 23:15:20 -68.95, 9.21 123.02 04/20/2025 23:15:35 -68.98, 9.18 122.99 3.26 15
20 04/21/2025 00:06:06 68.93, 176.54 56.96 04/21/2025 00:06:02 68.96, 176.55 56.99 3.33 4
21 04/21/2025 00:56:50 -68.95, -16.16 123.04 04/21/2025 00:56:33 -68.93, -16.13 123.06 3.10 17
22 04/21/2025 01:47:35 68.88, 151.24 56.88 04/21/2025 01:47:00 68.91, 151.24 56.91 3.46 35
23 04/21/2025 02:38:19 -68.90, -41.47 123.12 04/21/2025 02:37:31 -68.88, -41.43 123.14 2.84 48

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/7/2025
SNOs_Map_NPP_GCOM-C_20250407.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/07/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C