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: 11/27/2025
| 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 | -75.07, -1.26 | 83.13 | 11/29/2025 | 23:11:28 | -75.05, 1.85 | 83.28 | 88.95 | 66 |
| 2 | 11/30/2025 | 00:01:04 | 74.90, 166.54 | 96.69 | 11/30/2025 | 00:02:13 | 74.85, 168.62 | 96.55 | 60.81 | 69 |
| 3 | 11/30/2025 | 00:51:46 | -74.78, -25.81 | 83.44 | 11/30/2025 | 00:52:57 | -74.71, -24.44 | 83.58 | 41.09 | 71 |
| 4 | 11/30/2025 | 01:42:28 | 74.61, 141.96 | 96.38 | 11/30/2025 | 01:43:41 | 74.56, 142.49 | 96.30 | 16.51 | 73 |
| 5 | 11/30/2025 | 02:33:10 | -74.49, -50.40 | 83.75 | 11/30/2025 | 02:34:24 | -74.47, -50.43 | 83.79 | 2.68 | 74 |
| 6 | 11/30/2025 | 03:23:55 | 74.46, 116.98 | 96.23 | 11/30/2025 | 03:25:05 | 74.46, 116.89 | 96.22 | 2.76 | 70 |
| 7 | 11/30/2025 | 04:14:40 | -74.49, -75.77 | 83.74 | 11/30/2025 | 04:15:46 | -74.46, -75.77 | 83.78 | 2.54 | 66 |
| 8 | 11/30/2025 | 05:05:25 | 74.46, 91.61 | 96.24 | 11/30/2025 | 05:06:27 | 74.46, 91.54 | 96.23 | 1.97 | 62 |
| 9 | 11/30/2025 | 05:56:10 | -74.49,-101.14 | 83.73 | 11/30/2025 | 05:57:08 | -74.46,-101.11 | 83.76 | 2.63 | 58 |
| 10 | 11/30/2025 | 06:46:55 | 74.46, 66.24 | 96.25 | 11/30/2025 | 06:47:49 | 74.46, 66.20 | 96.24 | 1.17 | 54 |
| 11 | 11/30/2025 | 07:37:40 | -74.48,-126.51 | 83.72 | 11/30/2025 | 07:38:30 | -74.46,-126.46 | 83.75 | 2.95 | 50 |
| 12 | 11/30/2025 | 08:28:25 | 74.46, 40.87 | 96.26 | 11/30/2025 | 08:29:11 | 74.46, 40.86 | 96.25 | 0.37 | 46 |
| 13 | 11/30/2025 | 09:19:09 | -74.43,-151.76 | 83.76 | 11/30/2025 | 09:19:52 | -74.46,-151.80 | 83.74 | 3.29 | 43 |
| 14 | 11/30/2025 | 10:09:55 | 74.46, 15.50 | 96.27 | 11/30/2025 | 10:10:33 | 74.46, 15.51 | 96.26 | 0.44 | 38 |
| 15 | 11/30/2025 | 11:00:39 | -74.43,-177.13 | 83.75 | 11/30/2025 | 11:01:14 | -74.46,-177.15 | 83.73 | 3.10 | 35 |
| 16 | 11/30/2025 | 11:51:25 | 74.46, -9.87 | 96.28 | 11/30/2025 | 11:51:55 | 74.45, -9.83 | 96.27 | 1.23 | 30 |
| 17 | 11/30/2025 | 12:42:09 | -74.43, 157.50 | 83.75 | 11/30/2025 | 12:42:36 | -74.46, 157.51 | 83.72 | 3.11 | 27 |
| 18 | 11/30/2025 | 13:32:55 | 74.45, -35.25 | 96.29 | 11/30/2025 | 13:33:17 | 74.45, -35.18 | 96.28 | 2.03 | 22 |
| 19 | 11/30/2025 | 14:23:39 | -74.43, 132.13 | 83.74 | 11/30/2025 | 14:23:58 | -74.46, 132.16 | 83.71 | 3.31 | 19 |
| 20 | 11/30/2025 | 15:14:25 | 74.45, -60.62 | 96.30 | 11/30/2025 | 15:14:39 | 74.45, -60.52 | 96.29 | 2.83 | 14 |
| 21 | 11/30/2025 | 16:05:09 | -74.43, 106.76 | 83.73 | 11/30/2025 | 16:05:21 | -74.41, 106.69 | 83.74 | 2.97 | 12 |
| 22 | 11/30/2025 | 16:55:55 | 74.45, -85.99 | 96.31 | 11/30/2025 | 16:56:01 | 74.45, -85.87 | 96.30 | 3.62 | 6 |
| 23 | 11/30/2025 | 17:46:39 | -74.43, 81.39 | 83.72 | 11/30/2025 | 17:46:43 | -74.41, 81.35 | 83.73 | 2.48 | 4 |
| 24 | 11/30/2025 | 18:37:24 | 74.40,-111.23 | 96.27 | 11/30/2025 | 18:37:24 | 74.40,-111.34 | 96.27 | 3.19 | 0 |
| 25 | 11/30/2025 | 19:28:09 | -74.43, 56.02 | 83.71 | 11/30/2025 | 19:28:05 | -74.41, 56.00 | 83.72 | 2.17 | 4 |
| 26 | 11/30/2025 | 20:18:54 | 74.40,-136.60 | 96.28 | 11/30/2025 | 20:18:46 | 74.40,-136.68 | 96.28 | 2.39 | 8 |
| 27 | 11/30/2025 | 21:09:39 | -74.42, 30.65 | 83.70 | 11/30/2025 | 21:09:27 | -74.41, 30.66 | 83.71 | 2.14 | 12 |
| 28 | 11/30/2025 | 22:00:24 | 74.40,-161.98 | 96.29 | 11/30/2025 | 22:00:08 | 74.40,-162.03 | 96.29 | 1.59 | 16 |
| 29 | 11/30/2025 | 22:51:09 | -74.42, 5.27 | 83.69 | 11/30/2025 | 22:50:49 | -74.40, 5.31 | 83.70 | 2.38 | 20 |
| 30 | 11/30/2025 | 23:41:54 | 74.40, 172.65 | 96.30 | 11/30/2025 | 23:41:30 | 74.40, 172.63 | 96.30 | 0.79 | 24 |
| 31 | 12/01/2025 | 00:32:39 | -74.42, -20.10 | 83.68 | 12/01/2025 | 00:32:11 | -74.40, -20.03 | 83.69 | 2.84 | 28 |
| 32 | 12/01/2025 | 01:23:24 | 74.40, 147.28 | 96.31 | 12/01/2025 | 01:22:52 | 74.40, 147.28 | 96.31 | 0.09 | 32 |
| 33 | 12/01/2025 | 02:14:09 | -74.42, -45.47 | 83.67 | 12/01/2025 | 02:13:33 | -74.40, -45.37 | 83.68 | 3.42 | 36 |
| 34 | 12/01/2025 | 03:04:54 | 74.39, 121.91 | 96.32 | 12/01/2025 | 03:04:14 | 74.40, 121.94 | 96.32 | 0.82 | 40 |
| 35 | 12/01/2025 | 03:55:38 | -74.37, -70.71 | 83.71 | 12/01/2025 | 03:54:55 | -74.40, -70.72 | 83.67 | 3.45 | 43 |
| 36 | 12/01/2025 | 04:46:24 | 74.39, 96.54 | 96.32 | 12/01/2025 | 04:45:36 | 74.39, 96.59 | 96.33 | 1.62 | 48 |
| 37 | 12/01/2025 | 05:37:08 | -74.37, -96.08 | 83.70 | 12/01/2025 | 05:36:17 | -74.40, -96.06 | 83.66 | 3.53 | 51 |
| 38 | 12/01/2025 | 06:27:54 | 74.39, 71.17 | 96.33 | 12/01/2025 | 06:26:58 | 74.39, 71.25 | 96.34 | 2.42 | 56 |
| 39 | 12/01/2025 | 07:18:38 | -74.37,-121.45 | 83.69 | 12/01/2025 | 07:17:40 | -74.35,-121.53 | 83.70 | 3.06 | 58 |
| 40 | 12/01/2025 | 08:09:24 | 74.39, 45.80 | 96.34 | 12/01/2025 | 08:08:20 | 74.39, 45.90 | 96.35 | 3.22 | 64 |
| 41 | 12/01/2025 | 09:00:08 | -74.37,-146.82 | 83.68 | 12/01/2025 | 08:59:02 | -74.35,-146.88 | 83.69 | 2.46 | 66 |
| 42 | 12/01/2025 | 09:50:53 | 74.34, 20.55 | 96.30 | 12/01/2025 | 09:49:43 | 74.34, 20.43 | 96.32 | 3.56 | 70 |
| 43 | 12/01/2025 | 10:41:38 | -74.36,-172.20 | 83.67 | 12/01/2025 | 10:40:24 | -74.35,-172.22 | 83.68 | 2.01 | 74 |
| 44 | 12/01/2025 | 11:32:20 | 74.19, -4.44 | 96.15 | 12/01/2025 | 11:31:08 | 74.19, -5.29 | 96.20 | 25.51 | 72 |
| 45 | 12/01/2025 | 12:23:03 | -74.12, 163.05 | 83.93 | 12/01/2025 | 12:21:51 | -74.10, 161.82 | 83.88 | 37.81 | 72 |
| 46 | 12/01/2025 | 13:13:44 | 73.90, -29.08 | 95.84 | 12/01/2025 | 13:12:36 | 73.90, -31.36 | 95.94 | 70.23 | 68 |
| 47 | 12/01/2025 | 14:04:26 | -73.77, 138.52 | 84.29 | 12/01/2025 | 14:03:19 | -73.80, 135.75 | 84.14 | 86.14 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 11/27/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 11/27/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B