Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/29/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 11/29/2025 | 23:10:22 | -75.08, -1.28 | 83.13 | 11/29/2025 | 23:11:28 | -75.04, 1.82 | 83.29 | 88.98 | 66 |
| 2 | 11/30/2025 | 00:01:04 | 74.91, 166.52 | 96.70 | 11/30/2025 | 00:02:13 | 74.84, 168.60 | 96.54 | 60.89 | 69 |
| 3 | 11/30/2025 | 00:51:46 | -74.79, -25.84 | 83.43 | 11/30/2025 | 00:52:57 | -74.70, -24.46 | 83.59 | 41.44 | 71 |
| 4 | 11/30/2025 | 01:42:28 | 74.61, 141.95 | 96.39 | 11/30/2025 | 01:43:41 | 74.55, 142.47 | 96.29 | 16.98 | 73 |
| 5 | 11/30/2025 | 02:33:10 | -74.50, -50.42 | 83.74 | 11/30/2025 | 02:34:23 | -74.51, -50.32 | 83.75 | 3.19 | 73 |
| 6 | 11/30/2025 | 03:23:55 | 74.47, 116.97 | 96.24 | 11/30/2025 | 03:25:05 | 74.45, 116.87 | 96.21 | 3.22 | 70 |
| 7 | 11/30/2025 | 04:14:39 | -74.45, -75.67 | 83.79 | 11/30/2025 | 04:15:46 | -74.46, -75.79 | 83.78 | 3.91 | 67 |
| 8 | 11/30/2025 | 05:05:25 | 74.47, 91.59 | 96.25 | 11/30/2025 | 05:06:27 | 74.45, 91.53 | 96.23 | 2.54 | 62 |
| 9 | 11/30/2025 | 05:56:09 | -74.45,-101.04 | 83.78 | 11/30/2025 | 05:57:08 | -74.46,-101.14 | 83.77 | 3.17 | 59 |
| 10 | 11/30/2025 | 06:46:55 | 74.46, 66.22 | 96.26 | 11/30/2025 | 06:47:49 | 74.45, 66.18 | 96.24 | 1.93 | 54 |
| 11 | 11/30/2025 | 07:37:39 | -74.44,-126.41 | 83.77 | 11/30/2025 | 07:38:30 | -74.45,-126.48 | 83.76 | 2.47 | 51 |
| 12 | 11/30/2025 | 08:28:25 | 74.46, 40.85 | 96.27 | 11/30/2025 | 08:29:11 | 74.45, 40.84 | 96.25 | 1.52 | 46 |
| 13 | 11/30/2025 | 09:19:09 | -74.44,-151.78 | 83.76 | 11/30/2025 | 09:19:52 | -74.45,-151.83 | 83.75 | 1.84 | 43 |
| 14 | 11/30/2025 | 10:09:55 | 74.46, 15.48 | 96.28 | 11/30/2025 | 10:10:33 | 74.45, 15.49 | 96.26 | 1.47 | 38 |
| 15 | 11/30/2025 | 11:00:39 | -74.44,-177.15 | 83.75 | 11/30/2025 | 11:01:14 | -74.45,-177.17 | 83.74 | 1.38 | 35 |
| 16 | 11/30/2025 | 11:51:25 | 74.46, -9.89 | 96.29 | 11/30/2025 | 11:51:55 | 74.45, -9.85 | 96.27 | 1.81 | 30 |
| 17 | 11/30/2025 | 12:42:09 | -74.44, 157.48 | 83.74 | 11/30/2025 | 12:42:36 | -74.45, 157.48 | 83.73 | 1.30 | 27 |
| 18 | 11/30/2025 | 13:32:55 | 74.46, -35.26 | 96.30 | 11/30/2025 | 13:33:17 | 74.45, -35.20 | 96.28 | 2.38 | 22 |
| 19 | 11/30/2025 | 14:23:39 | -74.44, 132.11 | 83.73 | 11/30/2025 | 14:23:58 | -74.45, 132.14 | 83.72 | 1.64 | 19 |
| 20 | 11/30/2025 | 15:14:25 | 74.46, -60.63 | 96.31 | 11/30/2025 | 15:14:39 | 74.45, -60.54 | 96.29 | 3.05 | 14 |
| 21 | 11/30/2025 | 16:05:09 | -74.44, 106.74 | 83.72 | 11/30/2025 | 16:05:20 | -74.45, 106.80 | 83.71 | 2.23 | 11 |
| 22 | 11/30/2025 | 16:55:55 | 74.46, -86.00 | 96.32 | 11/30/2025 | 16:56:01 | 74.44, -85.89 | 96.30 | 3.77 | 6 |
| 23 | 11/30/2025 | 17:46:39 | -74.43, 81.37 | 83.71 | 11/30/2025 | 17:46:42 | -74.45, 81.45 | 83.70 | 2.91 | 3 |
| 24 | 11/30/2025 | 18:37:24 | 74.41,-111.25 | 96.27 | 11/30/2025 | 18:37:24 | 74.39,-111.36 | 96.26 | 3.53 | 0 |
| 25 | 11/30/2025 | 19:28:09 | -74.43, 56.00 | 83.70 | 11/30/2025 | 19:28:04 | -74.45, 56.11 | 83.69 | 3.63 | 5 |
| 26 | 11/30/2025 | 20:18:54 | 74.40,-136.62 | 96.28 | 11/30/2025 | 20:18:46 | 74.39,-136.70 | 96.28 | 2.79 | 8 |
| 27 | 11/30/2025 | 21:09:38 | -74.38, 30.75 | 83.74 | 11/30/2025 | 21:09:27 | -74.40, 30.64 | 83.72 | 3.79 | 11 |
| 28 | 11/30/2025 | 22:00:24 | 74.40,-161.99 | 96.29 | 11/30/2025 | 22:00:08 | 74.39,-162.05 | 96.29 | 2.10 | 16 |
| 29 | 11/30/2025 | 22:51:08 | -74.38, 5.38 | 83.73 | 11/30/2025 | 22:50:49 | -74.40, 5.29 | 83.71 | 3.11 | 19 |
| 30 | 11/30/2025 | 23:41:54 | 74.40, 172.64 | 96.30 | 11/30/2025 | 23:41:30 | 74.39, 172.61 | 96.30 | 1.52 | 24 |
| 31 | 12/01/2025 | 00:32:38 | -74.38, -19.99 | 83.72 | 12/01/2025 | 00:32:11 | -74.39, -20.05 | 83.70 | 2.49 | 27 |
| 32 | 12/01/2025 | 01:23:24 | 74.40, 147.27 | 96.31 | 12/01/2025 | 01:22:52 | 74.39, 147.26 | 96.31 | 1.22 | 32 |
| 33 | 12/01/2025 | 02:14:08 | -74.38, -45.36 | 83.71 | 12/01/2025 | 02:13:33 | -74.39, -45.40 | 83.69 | 1.99 | 35 |
| 34 | 12/01/2025 | 03:04:54 | 74.40, 121.90 | 96.32 | 12/01/2025 | 03:04:14 | 74.39, 121.92 | 96.32 | 1.39 | 40 |
| 35 | 12/01/2025 | 03:55:38 | -74.38, -70.73 | 83.70 | 12/01/2025 | 03:54:55 | -74.39, -70.74 | 83.68 | 1.73 | 43 |
| 36 | 12/01/2025 | 04:46:24 | 74.40, 96.52 | 96.33 | 12/01/2025 | 04:45:36 | 74.39, 96.57 | 96.33 | 1.91 | 48 |
| 37 | 12/01/2025 | 05:37:08 | -74.38, -96.10 | 83.69 | 12/01/2025 | 05:36:17 | -74.39, -96.09 | 83.67 | 1.82 | 51 |
| 38 | 12/01/2025 | 06:27:54 | 74.40, 71.15 | 96.34 | 12/01/2025 | 06:26:58 | 74.39, 71.23 | 96.34 | 2.58 | 56 |
| 39 | 12/01/2025 | 07:18:38 | -74.37,-121.47 | 83.68 | 12/01/2025 | 07:17:39 | -74.39,-121.43 | 83.66 | 2.20 | 59 |
| 40 | 12/01/2025 | 08:09:24 | 74.40, 45.78 | 96.35 | 12/01/2025 | 08:08:20 | 74.39, 45.89 | 96.35 | 3.31 | 64 |
| 41 | 12/01/2025 | 09:00:08 | -74.37,-146.84 | 83.68 | 12/01/2025 | 08:59:01 | -74.39,-146.78 | 83.65 | 2.76 | 67 |
| 42 | 12/01/2025 | 09:50:53 | 74.35, 20.54 | 96.31 | 12/01/2025 | 09:49:43 | 74.34, 20.41 | 96.31 | 3.86 | 70 |
| 43 | 12/01/2025 | 10:41:38 | -74.37,-172.22 | 83.67 | 12/01/2025 | 10:40:23 | -74.39,-172.12 | 83.64 | 3.42 | 75 |
| 44 | 12/01/2025 | 11:32:20 | 74.20, -4.46 | 96.16 | 12/01/2025 | 11:31:08 | 74.19, -5.30 | 96.19 | 25.66 | 72 |
| 45 | 12/01/2025 | 12:23:02 | -74.08, 163.16 | 83.98 | 12/01/2025 | 12:21:51 | -74.09, 161.79 | 83.89 | 41.69 | 71 |
| 46 | 12/01/2025 | 13:13:44 | 73.90, -29.10 | 95.84 | 12/01/2025 | 13:12:36 | 73.89, -31.38 | 95.94 | 70.37 | 68 |
| 47 | 12/01/2025 | 14:04:26 | -73.78, 138.51 | 84.29 | 12/01/2025 | 14:03:19 | -73.80, 135.73 | 84.14 | 86.20 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 11/29/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 11/29/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B