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: 11/24/2025
| 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 | 23:10:23 | -75.09, -1.33 | 83.11 | 11/29/2025 | 23:11:29 | -75.02, 1.78 | 83.31 | 89.41 | 66 |
| 2 | 11/30/2025 | 00:01:05 | 74.93, 166.46 | 96.72 | 11/30/2025 | 00:02:13 | 74.87, 168.68 | 96.57 | 64.81 | 68 |
| 3 | 11/30/2025 | 00:51:46 | -74.76, -25.75 | 83.47 | 11/30/2025 | 00:52:57 | -74.73, -24.37 | 83.56 | 40.53 | 71 |
| 4 | 11/30/2025 | 01:42:29 | 74.64, 141.89 | 96.41 | 11/30/2025 | 01:43:41 | 74.58, 142.55 | 96.32 | 20.51 | 72 |
| 5 | 11/30/2025 | 02:33:10 | -74.47, -50.34 | 83.78 | 11/30/2025 | 02:34:24 | -74.49, -50.36 | 83.76 | 2.69 | 74 |
| 6 | 11/30/2025 | 03:23:56 | 74.49, 116.91 | 96.26 | 11/30/2025 | 03:25:05 | 74.48, 116.95 | 96.24 | 1.54 | 69 |
| 7 | 11/30/2025 | 04:14:40 | -74.47, -75.71 | 83.77 | 11/30/2025 | 04:15:46 | -74.49, -75.70 | 83.75 | 2.69 | 66 |
| 8 | 11/30/2025 | 05:05:26 | 74.49, 91.54 | 96.27 | 11/30/2025 | 05:06:27 | 74.48, 91.60 | 96.25 | 2.20 | 61 |
| 9 | 11/30/2025 | 05:56:10 | -74.46,-101.08 | 83.76 | 11/30/2025 | 05:57:08 | -74.49,-101.05 | 83.74 | 2.91 | 58 |
| 10 | 11/30/2025 | 06:46:56 | 74.49, 66.16 | 96.28 | 11/30/2025 | 06:47:49 | 74.48, 66.26 | 96.26 | 2.93 | 53 |
| 11 | 11/30/2025 | 07:37:40 | -74.46,-126.45 | 83.75 | 11/30/2025 | 07:38:30 | -74.49,-126.39 | 83.73 | 3.31 | 50 |
| 12 | 11/30/2025 | 08:28:26 | 74.49, 40.79 | 96.29 | 11/30/2025 | 08:29:11 | 74.48, 40.91 | 96.27 | 3.69 | 45 |
| 13 | 11/30/2025 | 09:19:10 | -74.46,-151.82 | 83.74 | 11/30/2025 | 09:19:53 | -74.44,-151.87 | 83.77 | 2.85 | 43 |
| 14 | 11/30/2025 | 10:09:55 | 74.44, 15.55 | 96.25 | 11/30/2025 | 10:10:34 | 74.43, 15.44 | 96.24 | 3.37 | 39 |
| 15 | 11/30/2025 | 11:00:40 | -74.46,-177.19 | 83.73 | 11/30/2025 | 11:01:15 | -74.44,-177.21 | 83.75 | 2.56 | 35 |
| 16 | 11/30/2025 | 11:51:25 | 74.44, -9.82 | 96.26 | 11/30/2025 | 11:51:56 | 74.43, -9.90 | 96.25 | 2.60 | 31 |
| 17 | 11/30/2025 | 12:42:10 | -74.46, 157.43 | 83.72 | 11/30/2025 | 12:42:37 | -74.44, 157.45 | 83.74 | 2.49 | 27 |
| 18 | 11/30/2025 | 13:32:55 | 74.43, -35.19 | 96.27 | 11/30/2025 | 13:33:18 | 74.43, -35.25 | 96.26 | 1.85 | 23 |
| 19 | 11/30/2025 | 14:23:40 | -74.46, 132.06 | 83.71 | 11/30/2025 | 14:23:59 | -74.43, 132.10 | 83.73 | 2.68 | 19 |
| 20 | 11/30/2025 | 15:14:25 | 74.43, -60.56 | 96.28 | 11/30/2025 | 15:14:40 | 74.43, -60.59 | 96.27 | 1.17 | 15 |
| 21 | 11/30/2025 | 16:05:10 | -74.45, 106.69 | 83.70 | 11/30/2025 | 16:05:21 | -74.43, 106.76 | 83.72 | 3.06 | 11 |
| 22 | 11/30/2025 | 16:55:55 | 74.43, -85.94 | 96.29 | 11/30/2025 | 16:56:02 | 74.42, -85.94 | 96.28 | 0.79 | 7 |
| 23 | 11/30/2025 | 17:46:39 | -74.40, 81.45 | 83.74 | 11/30/2025 | 17:46:43 | -74.43, 81.41 | 83.71 | 3.24 | 4 |
| 24 | 11/30/2025 | 18:37:25 | 74.43,-111.31 | 96.30 | 11/30/2025 | 18:37:24 | 74.42,-111.28 | 96.29 | 1.07 | 1 |
| 25 | 11/30/2025 | 19:28:09 | -74.40, 56.08 | 83.73 | 11/30/2025 | 19:28:05 | -74.43, 56.07 | 83.70 | 3.12 | 4 |
| 26 | 11/30/2025 | 20:18:54 | 74.43,-136.68 | 96.31 | 11/30/2025 | 20:18:45 | 74.42,-136.63 | 96.30 | 1.71 | 9 |
| 27 | 11/30/2025 | 21:09:38 | -74.40, 30.71 | 83.72 | 11/30/2025 | 21:09:26 | -74.43, 30.72 | 83.69 | 3.19 | 12 |
| 28 | 11/30/2025 | 22:00:24 | 74.43,-162.05 | 96.32 | 11/30/2025 | 22:00:07 | 74.42,-161.97 | 96.31 | 2.45 | 17 |
| 29 | 11/30/2025 | 22:51:08 | -74.40, 5.34 | 83.71 | 11/30/2025 | 22:50:49 | -74.38, 5.25 | 83.73 | 3.33 | 19 |
| 30 | 11/30/2025 | 23:41:54 | 74.43, 172.58 | 96.33 | 11/30/2025 | 23:41:29 | 74.42, 172.68 | 96.32 | 3.22 | 25 |
| 31 | 12/01/2025 | 00:32:38 | -74.40, -20.04 | 83.70 | 12/01/2025 | 00:32:11 | -74.38, -20.09 | 83.72 | 2.76 | 27 |
| 32 | 12/01/2025 | 01:23:23 | 74.38, 147.34 | 96.28 | 12/01/2025 | 01:22:52 | 74.37, 147.21 | 96.29 | 3.73 | 31 |
| 33 | 12/01/2025 | 02:14:08 | -74.40, -45.41 | 83.69 | 12/01/2025 | 02:13:33 | -74.38, -45.44 | 83.71 | 2.32 | 35 |
| 34 | 12/01/2025 | 03:04:53 | 74.37, 121.96 | 96.29 | 12/01/2025 | 03:04:14 | 74.37, 121.87 | 96.30 | 2.94 | 39 |
| 35 | 12/01/2025 | 03:55:38 | -74.40, -70.78 | 83.68 | 12/01/2025 | 03:54:55 | -74.38, -70.78 | 83.70 | 2.11 | 43 |
| 36 | 12/01/2025 | 04:46:23 | 74.37, 96.59 | 96.30 | 12/01/2025 | 04:45:36 | 74.37, 96.52 | 96.31 | 2.16 | 47 |
| 37 | 12/01/2025 | 05:37:08 | -74.39, -96.15 | 83.67 | 12/01/2025 | 05:36:17 | -74.38, -96.12 | 83.68 | 2.19 | 51 |
| 38 | 12/01/2025 | 06:27:53 | 74.37, 71.22 | 96.31 | 12/01/2025 | 06:26:58 | 74.37, 71.18 | 96.32 | 1.42 | 55 |
| 39 | 12/01/2025 | 07:18:38 | -74.39,-121.52 | 83.66 | 12/01/2025 | 07:17:39 | -74.37,-121.47 | 83.67 | 2.52 | 59 |
| 40 | 12/01/2025 | 08:09:23 | 74.37, 45.85 | 96.32 | 12/01/2025 | 08:08:20 | 74.36, 45.83 | 96.33 | 0.80 | 63 |
| 41 | 12/01/2025 | 09:00:08 | -74.39,-146.89 | 83.66 | 12/01/2025 | 08:59:01 | -74.37,-146.81 | 83.66 | 3.04 | 67 |
| 42 | 12/01/2025 | 09:50:53 | 74.37, 20.48 | 96.33 | 12/01/2025 | 09:49:42 | 74.36, 20.49 | 96.34 | 0.74 | 71 |
| 43 | 12/01/2025 | 10:41:37 | -74.34,-172.14 | 83.70 | 12/01/2025 | 10:40:23 | -74.37,-172.16 | 83.65 | 3.51 | 74 |
| 44 | 12/01/2025 | 11:32:20 | 74.22, -4.52 | 96.18 | 12/01/2025 | 11:31:07 | 74.21, -5.23 | 96.22 | 21.61 | 73 |
| 45 | 12/01/2025 | 12:23:02 | -74.10, 163.11 | 83.96 | 12/01/2025 | 12:21:51 | -74.08, 161.76 | 83.91 | 41.48 | 71 |
| 46 | 12/01/2025 | 13:13:44 | 73.92, -29.15 | 95.87 | 12/01/2025 | 13:12:35 | 73.92, -31.30 | 95.96 | 66.31 | 69 |
| 47 | 12/01/2025 | 14:04:26 | -73.80, 138.46 | 84.26 | 12/01/2025 | 14:03:19 | -73.78, 135.70 | 84.16 | 85.98 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 11/24/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 11/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B