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: 8/2/2025
| 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 | 08/02/2025 | 13:07:46 | 69.89, -19.84 | 52.25 | 08/02/2025 | 13:08:53 | 69.81, -17.47 | 52.10 | 91.39 | 67 |
| 2 | 08/02/2025 | 13:58:20 | -69.41, 148.18 | 128.25 | 08/02/2025 | 13:59:31 | -69.38, 149.29 | 128.31 | 43.46 | 71 |
| 3 | 08/02/2025 | 14:48:58 | 68.94, -43.85 | 51.27 | 08/02/2025 | 14:50:06 | 68.95, -43.92 | 51.28 | 3.17 | 68 |
| 4 | 08/02/2025 | 15:39:41 | -68.94, 123.47 | 128.72 | 08/02/2025 | 15:40:36 | -68.95, 123.46 | 128.71 | 1.55 | 55 |
| 5 | 08/02/2025 | 16:30:28 | 68.94, -69.23 | 51.30 | 08/02/2025 | 16:31:03 | 68.94, -69.16 | 51.30 | 2.83 | 35 |
| 6 | 08/02/2025 | 17:21:10 | -68.89, 98.16 | 128.75 | 08/02/2025 | 17:21:34 | -68.89, 98.15 | 128.75 | 0.89 | 24 |
| 7 | 08/02/2025 | 18:11:57 | 68.89, -94.54 | 51.27 | 08/02/2025 | 18:12:01 | 68.89, -94.47 | 51.26 | 2.70 | 4 |
| 8 | 08/02/2025 | 19:02:39 | -68.84, 72.85 | 128.78 | 08/02/2025 | 19:02:32 | -68.84, 72.84 | 128.78 | 0.83 | 7 |
| 9 | 08/02/2025 | 19:53:26 | 68.85,-119.85 | 51.24 | 08/02/2025 | 19:52:59 | 68.83,-119.78 | 51.22 | 2.89 | 27 |
| 10 | 08/02/2025 | 20:44:08 | -68.79, 47.55 | 128.81 | 08/02/2025 | 20:43:30 | -68.78, 47.52 | 128.82 | 1.45 | 38 |
| 11 | 08/02/2025 | 21:34:54 | 68.80,-145.16 | 51.21 | 08/02/2025 | 21:33:56 | 68.78,-145.09 | 51.19 | 3.35 | 58 |
| 12 | 08/02/2025 | 22:25:36 | -68.75, 22.24 | 128.84 | 08/02/2025 | 22:24:27 | -68.73, 22.21 | 128.86 | 2.24 | 69 |
| 13 | 08/02/2025 | 23:16:13 | 68.21,-169.76 | 50.62 | 08/02/2025 | 23:15:03 | 68.23,-171.04 | 50.68 | 52.79 | 70 |
| 14 | 08/03/2025 | 00:06:48 | -67.79, -1.90 | 129.81 | 08/03/2025 | 00:05:41 | -67.81, -4.19 | 129.72 | 96.33 | 67 |
| 15 | 08/15/2025 | 12:23:17 | 69.76, -8.50 | 55.84 | 08/15/2025 | 12:24:25 | 69.72, -6.40 | 55.75 | 81.13 | 68 |
| 16 | 08/15/2025 | 13:13:52 | -69.32, 159.47 | 124.62 | 08/15/2025 | 13:15:04 | -69.25, 160.31 | 124.71 | 33.72 | 72 |
| 17 | 08/15/2025 | 14:04:32 | 68.97, -32.74 | 55.04 | 08/15/2025 | 14:05:36 | 68.97, -32.70 | 55.03 | 1.83 | 64 |
| 18 | 08/15/2025 | 14:55:15 | -68.95, 134.60 | 124.98 | 08/15/2025 | 14:56:07 | -68.93, 134.62 | 125.00 | 2.39 | 52 |
| 19 | 08/15/2025 | 15:46:01 | 68.92, -58.05 | 55.01 | 08/15/2025 | 15:46:34 | 68.91, -58.01 | 55.00 | 2.14 | 33 |
| 20 | 08/15/2025 | 16:36:43 | -68.90, 109.29 | 125.00 | 08/15/2025 | 16:37:04 | -68.87, 109.31 | 125.04 | 3.38 | 21 |
| 21 | 08/15/2025 | 17:27:29 | 68.88, -83.36 | 54.98 | 08/15/2025 | 17:27:31 | 68.86, -83.33 | 54.96 | 2.88 | 2 |
| 22 | 08/15/2025 | 18:18:11 | -68.80, 84.06 | 125.08 | 08/15/2025 | 18:18:02 | -68.82, 84.00 | 125.07 | 2.84 | 9 |
| 23 | 08/15/2025 | 19:08:57 | 68.78,-108.60 | 54.90 | 08/15/2025 | 19:08:29 | 68.80,-108.64 | 54.93 | 2.86 | 28 |
| 24 | 08/15/2025 | 19:59:40 | -68.76, 58.75 | 125.11 | 08/15/2025 | 19:59:00 | -68.76, 58.68 | 125.10 | 2.52 | 40 |
| 25 | 08/15/2025 | 20:50:26 | 68.73,-133.91 | 54.88 | 08/15/2025 | 20:49:27 | 68.74,-133.95 | 54.89 | 2.11 | 59 |
| 26 | 08/15/2025 | 21:41:09 | -68.71, 33.44 | 125.14 | 08/15/2025 | 21:39:58 | -68.70, 33.37 | 125.14 | 2.61 | 71 |
| 27 | 08/15/2025 | 22:31:45 | 68.14,-158.52 | 54.30 | 08/15/2025 | 22:30:35 | 68.14,-159.96 | 54.33 | 59.72 | 70 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 8/2/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 08/02/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C