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
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