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: 11/27/2025
| 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 | 11/27/2025 | 04:48:38 | 68.94, 106.66 | 90.00 | 11/27/2025 | 04:49:35 | 68.92, 106.65 | 89.98 | 2.37 | 57 |
| 2 | 11/27/2025 | 05:39:21 | -68.93, -86.01 | 90.00 | 11/27/2025 | 05:40:05 | -68.91, -85.98 | 90.02 | 2.56 | 44 |
| 3 | 11/27/2025 | 06:30:07 | 68.88, 81.37 | 89.96 | 11/27/2025 | 06:30:33 | 68.86, 81.34 | 89.94 | 2.29 | 26 |
| 4 | 11/27/2025 | 07:20:50 | -68.88,-111.30 | 90.05 | 11/27/2025 | 07:21:03 | -68.86,-111.29 | 90.06 | 2.06 | 13 |
| 5 | 11/27/2025 | 08:11:36 | 68.82, 56.07 | 89.91 | 11/27/2025 | 08:11:31 | 68.81, 56.03 | 89.90 | 2.38 | 5 |
| 6 | 11/27/2025 | 09:02:19 | -68.82,-136.60 | 90.09 | 11/27/2025 | 09:02:01 | -68.80,-136.60 | 90.11 | 1.67 | 18 |
| 7 | 11/27/2025 | 09:53:05 | 68.77, 30.77 | 89.87 | 11/27/2025 | 09:52:29 | 68.75, 30.72 | 89.85 | 2.60 | 36 |
| 8 | 11/27/2025 | 10:43:48 | -68.76,-161.90 | 90.13 | 11/27/2025 | 10:42:59 | -68.75,-161.91 | 90.15 | 1.43 | 49 |
| 9 | 11/27/2025 | 11:34:34 | 68.71, 5.48 | 89.83 | 11/27/2025 | 11:33:27 | 68.70, 5.41 | 89.81 | 2.91 | 67 |
| 10 | 11/27/2025 | 12:25:13 | -68.49, 173.09 | 90.39 | 11/27/2025 | 12:24:00 | -68.53, 172.57 | 90.36 | 21.64 | 73 |
| 11 | 11/27/2025 | 13:15:47 | 67.79, -18.71 | 88.94 | 11/27/2025 | 13:14:40 | 67.83, -20.93 | 88.94 | 93.17 | 67 |
| 12 | 12/10/2025 | 00:41:55 | 69.53, 167.62 | 92.33 | 12/10/2025 | 00:43:05 | 69.42, 168.98 | 92.23 | 54.40 | 70 |
| 13 | 12/10/2025 | 01:32:30 | -69.09, -24.43 | 88.11 | 12/10/2025 | 01:33:42 | -69.05, -24.16 | 88.15 | 11.46 | 72 |
| 14 | 12/10/2025 | 02:23:14 | 68.94, 143.08 | 91.75 | 12/10/2025 | 02:24:11 | 68.93, 143.07 | 91.75 | 0.65 | 57 |
| 15 | 12/10/2025 | 03:13:57 | -68.92, -49.58 | 88.27 | 12/10/2025 | 03:14:41 | -68.94, -49.54 | 88.25 | 2.45 | 44 |
| 16 | 12/10/2025 | 04:04:43 | 68.88, 117.78 | 91.70 | 12/10/2025 | 04:05:09 | 68.88, 117.76 | 91.69 | 1.08 | 26 |
| 17 | 12/10/2025 | 04:55:26 | -68.87, -74.88 | 88.32 | 12/10/2025 | 04:55:39 | -68.88, -74.86 | 88.30 | 2.20 | 13 |
| 18 | 12/10/2025 | 05:46:12 | 68.83, 92.48 | 91.65 | 12/10/2025 | 05:46:07 | 68.82, 92.45 | 91.64 | 1.61 | 5 |
| 19 | 12/10/2025 | 06:36:55 | -68.81,-100.18 | 88.37 | 12/10/2025 | 06:36:37 | -68.83,-100.17 | 88.35 | 2.09 | 18 |
| 20 | 12/10/2025 | 07:27:41 | 68.77, 67.19 | 91.60 | 12/10/2025 | 07:27:05 | 68.76, 67.13 | 91.59 | 2.15 | 36 |
| 21 | 12/10/2025 | 08:18:24 | -68.75,-125.47 | 88.42 | 12/10/2025 | 08:17:35 | -68.77,-125.48 | 88.40 | 2.13 | 49 |
| 22 | 12/10/2025 | 09:09:10 | 68.71, 41.89 | 91.55 | 12/10/2025 | 09:08:03 | 68.71, 41.82 | 91.54 | 2.68 | 67 |
| 23 | 12/10/2025 | 09:59:50 | -68.54,-150.56 | 88.63 | 12/10/2025 | 09:58:36 | -68.56,-151.00 | 88.61 | 18.24 | 74 |
| 24 | 12/10/2025 | 10:50:23 | 67.80, 17.70 | 90.64 | 12/10/2025 | 10:49:16 | 67.84, 15.48 | 90.67 | 93.22 | 67 |
Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/27/2025
Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/27/2025 in txt file.
Historial Predications of SNOs between NPP and GCOM-C