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: 11/19/2025
| 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 | -75.10, -1.34 | 83.10 | 11/29/2025 | 23:11:29 | -75.01, 1.75 | 83.32 | 89.25 | 66 |
| 2 | 11/30/2025 | 00:01:05 | 74.94, 166.43 | 96.73 | 11/30/2025 | 00:02:13 | 74.86, 168.65 | 96.56 | 64.79 | 68 |
| 3 | 11/30/2025 | 00:51:46 | -74.76, -25.76 | 83.46 | 11/30/2025 | 00:52:57 | -74.72, -24.39 | 83.57 | 40.35 | 71 |
| 4 | 11/30/2025 | 01:42:28 | 74.60, 142.00 | 96.37 | 11/30/2025 | 01:43:41 | 74.57, 142.52 | 96.30 | 15.74 | 73 |
| 5 | 11/30/2025 | 02:33:10 | -74.47, -50.35 | 83.77 | 11/30/2025 | 02:34:24 | -74.48, -50.38 | 83.77 | 1.40 | 74 |
| 6 | 11/30/2025 | 03:23:56 | 74.50, 116.89 | 96.27 | 11/30/2025 | 03:25:05 | 74.47, 116.92 | 96.23 | 3.54 | 69 |
| 7 | 11/30/2025 | 04:14:40 | -74.47, -75.72 | 83.76 | 11/30/2025 | 04:15:46 | -74.48, -75.73 | 83.76 | 1.14 | 66 |
| 8 | 11/30/2025 | 05:05:25 | 74.45, 91.64 | 96.23 | 11/30/2025 | 05:06:27 | 74.47, 91.57 | 96.24 | 2.97 | 62 |
| 9 | 11/30/2025 | 05:56:10 | -74.47,-101.09 | 83.75 | 11/30/2025 | 05:57:08 | -74.48,-101.07 | 83.75 | 1.36 | 58 |
| 10 | 11/30/2025 | 06:46:55 | 74.45, 66.27 | 96.24 | 11/30/2025 | 06:47:49 | 74.47, 66.23 | 96.25 | 2.50 | 54 |
| 11 | 11/30/2025 | 07:37:40 | -74.47,-126.46 | 83.74 | 11/30/2025 | 07:38:30 | -74.48,-126.42 | 83.74 | 1.91 | 50 |
| 12 | 11/30/2025 | 08:28:25 | 74.45, 40.90 | 96.25 | 11/30/2025 | 08:29:11 | 74.47, 40.88 | 96.26 | 2.22 | 46 |
| 13 | 11/30/2025 | 09:19:10 | -74.46,-151.83 | 83.73 | 11/30/2025 | 09:19:52 | -74.48,-151.76 | 83.73 | 2.58 | 42 |
| 14 | 11/30/2025 | 10:09:55 | 74.44, 15.53 | 96.26 | 11/30/2025 | 10:10:33 | 74.46, 15.54 | 96.27 | 2.20 | 38 |
| 15 | 11/30/2025 | 11:00:40 | -74.46,-177.20 | 83.72 | 11/30/2025 | 11:01:14 | -74.48,-177.10 | 83.72 | 3.30 | 34 |
| 16 | 11/30/2025 | 11:51:25 | 74.44, -9.84 | 96.27 | 11/30/2025 | 11:51:55 | 74.46, -9.81 | 96.28 | 2.45 | 30 |
| 17 | 11/30/2025 | 12:42:10 | -74.46, 157.43 | 83.71 | 11/30/2025 | 12:42:37 | -74.43, 157.42 | 83.75 | 3.92 | 27 |
| 18 | 11/30/2025 | 13:32:55 | 74.44, -35.21 | 96.28 | 11/30/2025 | 13:33:17 | 74.46, -35.15 | 96.29 | 2.90 | 22 |
| 19 | 11/30/2025 | 14:23:39 | -74.41, 132.18 | 83.76 | 11/30/2025 | 14:23:59 | -74.42, 132.08 | 83.74 | 3.41 | 20 |
| 20 | 11/30/2025 | 15:14:25 | 74.44, -60.58 | 96.29 | 11/30/2025 | 15:14:40 | 74.41, -60.62 | 96.26 | 3.34 | 15 |
| 21 | 11/30/2025 | 16:05:09 | -74.41, 106.81 | 83.75 | 11/30/2025 | 16:05:21 | -74.42, 106.74 | 83.73 | 2.77 | 12 |
| 22 | 11/30/2025 | 16:55:55 | 74.44, -85.95 | 96.30 | 11/30/2025 | 16:56:02 | 74.41, -85.97 | 96.27 | 3.09 | 7 |
| 23 | 11/30/2025 | 17:46:39 | -74.41, 81.44 | 83.74 | 11/30/2025 | 17:46:43 | -74.42, 81.39 | 83.72 | 2.23 | 4 |
| 24 | 11/30/2025 | 18:37:25 | 74.44,-111.32 | 96.31 | 11/30/2025 | 18:37:24 | 74.41,-111.31 | 96.28 | 3.03 | 1 |
| 25 | 11/30/2025 | 19:28:09 | -74.41, 56.07 | 83.73 | 11/30/2025 | 19:28:05 | -74.42, 56.05 | 83.71 | 1.87 | 4 |
| 26 | 11/30/2025 | 20:18:55 | 74.44,-136.69 | 96.32 | 11/30/2025 | 20:18:46 | 74.41,-136.66 | 96.29 | 3.18 | 9 |
| 27 | 11/30/2025 | 21:09:39 | -74.40, 30.70 | 83.72 | 11/30/2025 | 21:09:27 | -74.42, 30.70 | 83.70 | 1.81 | 12 |
| 28 | 11/30/2025 | 22:00:24 | 74.39,-161.94 | 96.27 | 11/30/2025 | 22:00:08 | 74.41,-162.00 | 96.30 | 3.12 | 16 |
| 29 | 11/30/2025 | 22:51:09 | -74.40, 5.33 | 83.71 | 11/30/2025 | 22:50:49 | -74.42, 5.36 | 83.69 | 2.07 | 20 |
| 30 | 11/30/2025 | 23:41:54 | 74.38, 172.69 | 96.28 | 11/30/2025 | 23:41:30 | 74.41, 172.65 | 96.31 | 2.75 | 24 |
| 31 | 12/01/2025 | 00:32:39 | -74.40, -20.04 | 83.70 | 12/01/2025 | 00:32:11 | -74.42, -19.99 | 83.68 | 2.55 | 28 |
| 32 | 12/01/2025 | 01:23:24 | 74.38, 147.32 | 96.29 | 12/01/2025 | 01:22:52 | 74.41, 147.31 | 96.32 | 2.59 | 32 |
| 33 | 12/01/2025 | 02:14:09 | -74.40, -45.41 | 83.69 | 12/01/2025 | 02:13:33 | -74.42, -45.33 | 83.67 | 3.16 | 36 |
| 34 | 12/01/2025 | 03:04:54 | 74.38, 121.95 | 96.30 | 12/01/2025 | 03:04:14 | 74.40, 121.97 | 96.33 | 2.66 | 40 |
| 35 | 12/01/2025 | 03:55:39 | -74.40, -70.78 | 83.68 | 12/01/2025 | 03:54:56 | -74.37, -70.80 | 83.70 | 3.41 | 43 |
| 36 | 12/01/2025 | 04:46:24 | 74.38, 96.58 | 96.31 | 12/01/2025 | 04:45:36 | 74.40, 96.62 | 96.34 | 2.95 | 48 |
| 37 | 12/01/2025 | 05:37:09 | -74.40, -96.15 | 83.67 | 12/01/2025 | 05:36:18 | -74.37, -96.14 | 83.69 | 3.31 | 51 |
| 38 | 12/01/2025 | 06:27:54 | 74.38, 71.21 | 96.32 | 12/01/2025 | 06:26:59 | 74.35, 71.15 | 96.31 | 3.24 | 55 |
| 39 | 12/01/2025 | 07:18:39 | -74.39,-121.52 | 83.66 | 12/01/2025 | 07:17:40 | -74.37,-121.49 | 83.68 | 3.41 | 59 |
| 40 | 12/01/2025 | 08:09:24 | 74.38, 45.84 | 96.33 | 12/01/2025 | 08:08:21 | 74.35, 45.81 | 96.32 | 2.87 | 63 |
| 41 | 12/01/2025 | 09:00:08 | -74.34,-146.77 | 83.71 | 12/01/2025 | 08:59:02 | -74.36,-146.83 | 83.67 | 2.96 | 66 |
| 42 | 12/01/2025 | 09:50:54 | 74.37, 20.46 | 96.34 | 12/01/2025 | 09:49:43 | 74.35, 20.46 | 96.33 | 2.70 | 71 |
| 43 | 12/01/2025 | 10:41:38 | -74.34,-172.14 | 83.70 | 12/01/2025 | 10:40:24 | -74.36,-172.18 | 83.66 | 2.56 | 74 |
| 44 | 12/01/2025 | 11:32:21 | 74.23, -4.53 | 96.19 | 12/01/2025 | 11:31:08 | 74.20, -5.26 | 96.20 | 22.24 | 73 |
| 45 | 12/01/2025 | 12:23:03 | -74.10, 163.11 | 83.95 | 12/01/2025 | 12:21:51 | -74.12, 161.86 | 83.87 | 38.22 | 72 |
| 46 | 12/01/2025 | 13:13:44 | 73.88, -29.04 | 95.82 | 12/01/2025 | 13:12:36 | 73.90, -31.33 | 95.95 | 70.65 | 68 |
| 47 | 12/01/2025 | 14:04:27 | -73.80, 138.46 | 84.26 | 12/01/2025 | 14:03:20 | -73.77, 135.68 | 84.16 | 86.52 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 11/19/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 11/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B