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: 10/18/2025
| 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 | 10/19/2025 | 05:19:59 | 69.76, 97.55 | 79.73 | 10/19/2025 | 05:21:06 | 69.71, 99.68 | 79.72 | 82.56 | 67 |
| 2 | 10/19/2025 | 06:10:34 | -69.28, -94.44 | 100.74 | 10/19/2025 | 06:11:46 | -69.17, -93.71 | 100.83 | 31.55 | 72 |
| 3 | 10/19/2025 | 07:01:13 | 68.91, 73.39 | 78.92 | 10/19/2025 | 07:02:18 | 68.91, 73.32 | 78.92 | 2.49 | 65 |
| 4 | 10/19/2025 | 07:51:57 | -68.91,-119.30 | 101.08 | 10/19/2025 | 07:52:48 | -68.91,-119.30 | 101.08 | 0.75 | 51 |
| 5 | 10/19/2025 | 08:42:42 | 68.86, 48.08 | 78.89 | 10/19/2025 | 08:43:16 | 68.86, 48.02 | 78.89 | 2.47 | 34 |
| 6 | 10/19/2025 | 09:33:26 | -68.86,-144.60 | 101.10 | 10/19/2025 | 09:33:46 | -68.86,-144.61 | 101.10 | 0.44 | 20 |
| 7 | 10/19/2025 | 10:24:11 | 68.81, 22.78 | 78.87 | 10/19/2025 | 10:24:14 | 68.81, 22.72 | 78.87 | 2.47 | 3 |
| 8 | 10/19/2025 | 11:14:55 | -68.81,-169.91 | 101.13 | 10/19/2025 | 11:14:44 | -68.81,-169.91 | 101.13 | 0.19 | 11 |
| 9 | 10/19/2025 | 12:05:40 | 68.76, -2.53 | 78.84 | 10/19/2025 | 12:05:12 | 68.76, -2.58 | 78.84 | 2.48 | 28 |
| 10 | 10/19/2025 | 12:56:24 | -68.76, 164.79 | 101.15 | 10/19/2025 | 12:55:42 | -68.76, 164.79 | 101.15 | 0.30 | 42 |
| 11 | 10/19/2025 | 13:47:09 | 68.71, -27.83 | 78.81 | 10/19/2025 | 13:46:10 | 68.71, -27.89 | 78.82 | 2.51 | 59 |
| 12 | 10/19/2025 | 14:37:53 | -68.71, 139.49 | 101.18 | 10/19/2025 | 14:36:40 | -68.71, 139.49 | 101.18 | 0.60 | 73 |
| 13 | 10/19/2025 | 15:28:28 | 68.12, -52.43 | 78.26 | 10/19/2025 | 15:27:18 | 68.12, -53.89 | 78.24 | 60.21 | 70 |
| 14 | 11/01/2025 | 05:26:24 | -69.48, -83.61 | 96.11 | 11/01/2025 | 05:27:34 | -69.43, -82.26 | 96.13 | 52.88 | 70 |
| 15 | 11/01/2025 | 06:17:00 | 68.95, 84.45 | 83.38 | 11/01/2025 | 06:18:10 | 68.94, 84.45 | 83.38 | 0.94 | 70 |
| 16 | 11/01/2025 | 07:07:43 | -68.90,-108.16 | 96.66 | 11/01/2025 | 07:08:41 | -68.90,-108.23 | 96.66 | 2.80 | 58 |
| 17 | 11/01/2025 | 07:58:29 | 68.90, 59.14 | 83.36 | 11/01/2025 | 07:59:08 | 68.89, 59.15 | 83.35 | 0.97 | 39 |
| 18 | 11/01/2025 | 08:49:12 | -68.85,-133.47 | 96.69 | 11/01/2025 | 08:49:39 | -68.85,-133.54 | 96.69 | 2.80 | 27 |
| 19 | 11/01/2025 | 09:39:58 | 68.85, 33.84 | 83.33 | 11/01/2025 | 09:40:06 | 68.84, 33.84 | 83.32 | 1.00 | 8 |
| 20 | 11/01/2025 | 10:30:41 | -68.80,-158.78 | 96.71 | 11/01/2025 | 10:30:37 | -68.80,-158.84 | 96.72 | 2.77 | 4 |
| 21 | 11/01/2025 | 11:21:27 | 68.80, 8.53 | 83.30 | 11/01/2025 | 11:21:04 | 68.79, 8.54 | 83.29 | 1.04 | 23 |
| 22 | 11/01/2025 | 12:12:10 | -68.75, 175.92 | 96.74 | 11/01/2025 | 12:11:35 | -68.74, 175.85 | 96.75 | 2.73 | 35 |
| 23 | 11/01/2025 | 13:02:56 | 68.75, -16.77 | 83.28 | 11/01/2025 | 13:02:02 | 68.74, -16.77 | 83.26 | 1.09 | 54 |
| 24 | 11/01/2025 | 13:53:39 | -68.70, 150.61 | 96.77 | 11/01/2025 | 13:52:33 | -68.69, 150.55 | 96.78 | 2.66 | 66 |
| 25 | 11/01/2025 | 14:44:18 | 68.32, -41.59 | 82.88 | 11/01/2025 | 14:43:06 | 68.36, -42.50 | 82.90 | 37.71 | 72 |
| 26 | 11/01/2025 | 15:34:53 | -67.84, 126.34 | 97.58 | 11/01/2025 | 15:33:45 | -67.89, 124.28 | 97.58 | 86.45 | 68 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 10/18/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 10/18/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C