Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/3/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-C) | Time (METOP-C) | Lat,Lon (METOP-C) | SZA (METOP-C ) | Distance(km) | Time Diff (sec) |
| 1 | 09/10/2025 | 00:19:52 | 73.32, 165.64 | 68.52 | 09/10/2025 | 00:21:00 | 73.27, 168.06 | 68.36 | 77.32 | 68 |
| 2 | 09/10/2025 | 01:10:35 | -73.26, -26.91 | 111.54 | 09/10/2025 | 01:11:43 | -73.21, -24.75 | 111.69 | 69.51 | 68 |
| 3 | 09/10/2025 | 02:01:16 | 73.03, 140.92 | 68.22 | 09/10/2025 | 02:02:27 | 73.00, 142.12 | 68.13 | 39.33 | 71 |
| 4 | 09/10/2025 | 02:51:59 | -72.97, -51.65 | 111.83 | 09/10/2025 | 02:53:11 | -72.89, -50.79 | 111.96 | 29.58 | 72 |
| 5 | 09/10/2025 | 03:42:41 | 72.78, 116.06 | 67.99 | 09/10/2025 | 03:43:54 | 72.72, 116.21 | 67.91 | 8.16 | 73 |
| 6 | 09/10/2025 | 04:33:24 | -72.73, -76.50 | 112.07 | 09/10/2025 | 04:34:36 | -72.71, -76.49 | 112.09 | 1.53 | 72 |
| 7 | 09/10/2025 | 05:24:09 | 72.69, 90.88 | 67.91 | 09/10/2025 | 05:25:16 | 72.70, 90.82 | 67.92 | 2.52 | 67 |
| 8 | 09/10/2025 | 06:14:53 | -72.68,-101.79 | 112.09 | 09/10/2025 | 06:15:58 | -72.69,-101.87 | 112.08 | 2.88 | 65 |
| 9 | 09/10/2025 | 07:05:39 | 72.69, 65.50 | 67.94 | 09/10/2025 | 07:06:38 | 72.68, 65.44 | 67.92 | 2.40 | 59 |
| 10 | 09/10/2025 | 07:56:23 | -72.69,-127.18 | 112.05 | 09/10/2025 | 07:57:20 | -72.67,-127.25 | 112.08 | 3.16 | 57 |
| 11 | 09/10/2025 | 08:47:09 | 72.70, 40.11 | 67.98 | 09/10/2025 | 08:47:59 | 72.71, 40.16 | 67.98 | 2.09 | 50 |
| 12 | 09/10/2025 | 09:37:53 | -72.70,-152.57 | 112.02 | 09/10/2025 | 09:38:41 | -72.70,-152.53 | 112.02 | 1.32 | 48 |
| 13 | 09/10/2025 | 10:28:39 | 72.71, 14.72 | 68.01 | 09/10/2025 | 10:29:21 | 72.69, 14.78 | 67.98 | 2.98 | 42 |
| 14 | 09/10/2025 | 11:19:23 | -72.70,-177.96 | 111.98 | 09/10/2025 | 11:20:03 | -72.68,-177.91 | 112.02 | 2.93 | 40 |
| 15 | 09/10/2025 | 12:10:08 | 72.67, -10.57 | 67.99 | 09/10/2025 | 12:10:43 | 72.67, -10.60 | 67.99 | 1.25 | 35 |
| 16 | 09/10/2025 | 13:00:52 | -72.66, 156.76 | 112.01 | 09/10/2025 | 13:01:25 | -72.66, 156.70 | 112.01 | 1.82 | 33 |
| 17 | 09/10/2025 | 13:51:38 | 72.67, -35.96 | 68.03 | 09/10/2025 | 13:52:05 | 72.65, -35.99 | 68.00 | 2.90 | 27 |
| 18 | 09/10/2025 | 14:42:22 | -72.67, 131.37 | 111.97 | 09/10/2025 | 14:42:46 | -72.69, 131.43 | 111.96 | 3.09 | 24 |
| 19 | 09/10/2025 | 15:33:08 | 72.68, -61.34 | 68.06 | 09/10/2025 | 15:33:26 | 72.68, -61.26 | 68.05 | 2.69 | 18 |
| 20 | 09/10/2025 | 16:23:51 | -72.67, 105.98 | 111.94 | 09/10/2025 | 16:24:07 | -72.67, 106.04 | 111.95 | 2.14 | 16 |
| 21 | 09/10/2025 | 17:14:36 | 72.64, -86.63 | 68.04 | 09/10/2025 | 17:14:47 | 72.66, -86.65 | 68.06 | 2.41 | 11 |
| 22 | 09/10/2025 | 18:05:20 | -72.63, 80.70 | 111.96 | 09/10/2025 | 18:05:29 | -72.65, 80.66 | 111.94 | 2.23 | 9 |
| 23 | 09/10/2025 | 18:56:06 | 72.64,-112.02 | 68.07 | 09/10/2025 | 18:56:09 | 72.64,-112.03 | 68.07 | 0.86 | 3 |
| 24 | 09/10/2025 | 19:46:50 | -72.64, 55.31 | 111.92 | 09/10/2025 | 19:46:51 | -72.63, 55.28 | 111.93 | 1.55 | 1 |
| 25 | 09/10/2025 | 20:37:36 | 72.65,-137.41 | 68.11 | 09/10/2025 | 20:37:30 | 72.67,-137.31 | 68.12 | 3.74 | 6 |
| 26 | 09/10/2025 | 21:28:20 | -72.65, 29.92 | 111.89 | 09/10/2025 | 21:28:12 | -72.66, 30.00 | 111.88 | 2.99 | 8 |
| 27 | 09/10/2025 | 22:19:05 | 72.61,-162.69 | 68.09 | 09/10/2025 | 22:18:53 | 72.59,-162.79 | 68.08 | 3.66 | 12 |
| 28 | 09/10/2025 | 23:09:50 | -72.65, 4.53 | 111.85 | 09/10/2025 | 23:09:34 | -72.64, 4.62 | 111.87 | 3.43 | 16 |
| 29 | 09/11/2025 | 00:00:35 | 72.61, 171.92 | 68.12 | 09/11/2025 | 00:00:14 | 72.62, 171.93 | 68.14 | 1.19 | 21 |
| 30 | 09/11/2025 | 00:51:19 | -72.61, -20.76 | 111.87 | 09/11/2025 | 00:50:56 | -72.62, -20.76 | 111.86 | 0.76 | 23 |
| 31 | 09/11/2025 | 01:42:05 | 72.62, 146.53 | 68.16 | 09/11/2025 | 01:41:36 | 72.60, 146.54 | 68.14 | 2.04 | 29 |
| 32 | 09/11/2025 | 02:32:49 | -72.62, -46.14 | 111.84 | 09/11/2025 | 02:32:18 | -72.59, -46.15 | 111.86 | 2.43 | 31 |
| 33 | 09/11/2025 | 03:23:34 | 72.58, 121.24 | 68.14 | 09/11/2025 | 03:22:58 | 72.58, 121.16 | 68.15 | 2.80 | 36 |
| 34 | 09/11/2025 | 04:14:18 | -72.57, -71.43 | 111.86 | 09/11/2025 | 04:13:40 | -72.57, -71.53 | 111.85 | 3.31 | 38 |
| 35 | 09/11/2025 | 05:05:04 | 72.58, 95.86 | 68.17 | 09/11/2025 | 05:04:19 | 72.61, 95.88 | 68.20 | 3.21 | 45 |
| 36 | 09/11/2025 | 05:55:48 | -72.58, -96.82 | 111.83 | 09/11/2025 | 05:55:01 | -72.60, -96.81 | 111.80 | 2.63 | 47 |
| 37 | 09/11/2025 | 06:46:34 | 72.59, 70.47 | 68.20 | 09/11/2025 | 06:45:41 | 72.59, 70.50 | 68.21 | 1.13 | 53 |
| 38 | 09/11/2025 | 07:37:18 | -72.59,-122.21 | 111.79 | 09/11/2025 | 07:36:23 | -72.58,-122.19 | 111.79 | 0.77 | 55 |
| 39 | 09/11/2025 | 08:28:03 | 72.55, 45.18 | 68.18 | 09/11/2025 | 08:27:03 | 72.57, 45.12 | 68.22 | 3.23 | 60 |
| 40 | 09/11/2025 | 09:18:47 | -72.54,-147.49 | 111.81 | 09/11/2025 | 09:17:45 | -72.56,-147.57 | 111.78 | 3.30 | 62 |
| 41 | 09/11/2025 | 10:09:33 | 72.56, 19.79 | 68.22 | 09/11/2025 | 10:08:25 | 72.55, 19.74 | 68.23 | 2.00 | 68 |
| 42 | 09/11/2025 | 11:00:17 | -72.55,-172.88 | 111.78 | 09/11/2025 | 10:59:07 | -72.54,-172.95 | 111.77 | 2.68 | 70 |
| 43 | 09/11/2025 | 11:51:02 | 72.51, -5.49 | 68.20 | 09/11/2025 | 11:49:48 | 72.48, -5.75 | 68.19 | 9.36 | 74 |
| 44 | 09/11/2025 | 12:41:44 | -72.41, 162.03 | 111.91 | 09/11/2025 | 12:40:31 | -72.42, 161.46 | 111.86 | 19.37 | 73 |
| 45 | 09/11/2025 | 13:32:26 | 72.21, -30.28 | 67.90 | 09/11/2025 | 13:31:15 | 72.20, -31.63 | 67.96 | 46.18 | 71 |
| 46 | 09/11/2025 | 14:23:08 | -72.11, 137.24 | 112.20 | 09/11/2025 | 14:21:58 | -72.14, 135.58 | 112.09 | 56.93 | 70 |
| 47 | 09/11/2025 | 15:13:50 | 71.91, -55.08 | 67.61 | 09/11/2025 | 15:12:43 | 71.87, -57.60 | 67.69 | 87.36 | 67 |
| 48 | 09/11/2025 | 16:04:32 | -71.81, 112.44 | 112.49 | 09/11/2025 | 16:03:26 | -71.81, 109.62 | 112.36 | 97.73 | 66 |
Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/3/2025
Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 09/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-C