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: 11/30/2025
| 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 | 11/30/2025 | 03:23:55 | 74.47, 116.96 | 96.24 | 11/30/2025 | 03:25:04 | 74.50, 116.99 | 96.26 | 3.25 | 69 |
| 2 | 11/30/2025 | 04:14:39 | -74.45, -75.68 | 83.78 | 11/30/2025 | 04:15:46 | -74.45, -75.80 | 83.79 | 3.74 | 67 |
| 3 | 11/30/2025 | 05:05:25 | 74.47, 91.58 | 96.25 | 11/30/2025 | 05:06:27 | 74.45, 91.52 | 96.22 | 3.06 | 62 |
| 4 | 11/30/2025 | 05:56:09 | -74.45,-101.05 | 83.77 | 11/30/2025 | 05:57:08 | -74.45,-101.15 | 83.78 | 2.96 | 59 |
| 5 | 11/30/2025 | 06:46:55 | 74.47, 66.21 | 96.26 | 11/30/2025 | 06:47:49 | 74.45, 66.17 | 96.23 | 2.59 | 54 |
| 6 | 11/30/2025 | 07:37:39 | -74.45,-126.42 | 83.76 | 11/30/2025 | 07:38:30 | -74.45,-126.49 | 83.77 | 2.17 | 51 |
| 7 | 11/30/2025 | 08:28:25 | 74.47, 40.84 | 96.27 | 11/30/2025 | 08:29:11 | 74.45, 40.83 | 96.24 | 2.30 | 46 |
| 8 | 11/30/2025 | 09:19:09 | -74.45,-151.79 | 83.75 | 11/30/2025 | 09:19:52 | -74.45,-151.84 | 83.75 | 1.39 | 43 |
| 9 | 11/30/2025 | 10:09:55 | 74.47, 15.47 | 96.28 | 11/30/2025 | 10:10:33 | 74.45, 15.48 | 96.25 | 2.26 | 38 |
| 10 | 11/30/2025 | 11:00:39 | -74.45,-177.16 | 83.74 | 11/30/2025 | 11:01:14 | -74.45,-177.18 | 83.74 | 0.63 | 35 |
| 11 | 11/30/2025 | 11:51:25 | 74.46, -9.90 | 96.29 | 11/30/2025 | 11:51:55 | 74.44, -9.86 | 96.26 | 2.50 | 30 |
| 12 | 11/30/2025 | 12:42:09 | -74.44, 157.47 | 83.73 | 11/30/2025 | 12:42:36 | -74.45, 157.47 | 83.73 | 0.32 | 27 |
| 13 | 11/30/2025 | 13:32:55 | 74.46, -35.27 | 96.30 | 11/30/2025 | 13:33:17 | 74.44, -35.21 | 96.27 | 2.94 | 22 |
| 14 | 11/30/2025 | 14:23:39 | -74.44, 132.10 | 83.72 | 11/30/2025 | 14:23:58 | -74.45, 132.13 | 83.72 | 1.02 | 19 |
| 15 | 11/30/2025 | 15:14:24 | 74.41, -60.52 | 96.26 | 11/30/2025 | 15:14:39 | 74.44, -60.55 | 96.28 | 3.42 | 15 |
| 16 | 11/30/2025 | 16:05:09 | -74.44, 106.72 | 83.71 | 11/30/2025 | 16:05:20 | -74.44, 106.78 | 83.71 | 1.80 | 11 |
| 17 | 11/30/2025 | 16:55:54 | 74.41, -85.89 | 96.27 | 11/30/2025 | 16:56:01 | 74.44, -85.90 | 96.29 | 3.29 | 7 |
| 18 | 11/30/2025 | 17:46:39 | -74.44, 81.35 | 83.70 | 11/30/2025 | 17:46:42 | -74.44, 81.44 | 83.70 | 2.58 | 3 |
| 19 | 11/30/2025 | 18:37:24 | 74.41,-111.26 | 96.28 | 11/30/2025 | 18:37:23 | 74.44,-111.24 | 96.31 | 3.34 | 1 |
| 20 | 11/30/2025 | 19:28:09 | -74.44, 55.98 | 83.69 | 11/30/2025 | 19:28:04 | -74.44, 56.09 | 83.69 | 3.37 | 5 |
| 21 | 11/30/2025 | 20:18:54 | 74.41,-136.63 | 96.29 | 11/30/2025 | 20:18:46 | 74.39,-136.71 | 96.27 | 3.25 | 8 |
| 22 | 11/30/2025 | 21:09:38 | -74.39, 30.74 | 83.74 | 11/30/2025 | 21:09:27 | -74.39, 30.62 | 83.73 | 3.47 | 11 |
| 23 | 11/30/2025 | 22:00:24 | 74.41,-162.00 | 96.30 | 11/30/2025 | 22:00:08 | 74.39,-162.06 | 96.28 | 2.69 | 16 |
| 24 | 11/30/2025 | 22:51:08 | -74.39, 5.37 | 83.73 | 11/30/2025 | 22:50:49 | -74.39, 5.28 | 83.72 | 2.70 | 19 |
| 25 | 11/30/2025 | 23:41:54 | 74.41, 172.63 | 96.31 | 11/30/2025 | 23:41:30 | 74.39, 172.60 | 96.29 | 2.27 | 24 |
| 26 | 12/01/2025 | 00:32:38 | -74.39, -20.00 | 83.72 | 12/01/2025 | 00:32:11 | -74.39, -20.07 | 83.71 | 1.94 | 27 |
| 27 | 12/01/2025 | 01:23:24 | 74.40, 147.26 | 96.32 | 12/01/2025 | 01:22:52 | 74.39, 147.25 | 96.30 | 2.08 | 32 |
| 28 | 12/01/2025 | 02:14:08 | -74.38, -45.37 | 83.71 | 12/01/2025 | 02:13:33 | -74.39, -45.41 | 83.70 | 1.22 | 35 |
| 29 | 12/01/2025 | 03:04:54 | 74.40, 121.89 | 96.33 | 12/01/2025 | 03:04:14 | 74.38, 121.91 | 96.31 | 2.19 | 40 |
| 30 | 12/01/2025 | 03:55:38 | -74.38, -70.74 | 83.70 | 12/01/2025 | 03:54:55 | -74.39, -70.75 | 83.69 | 0.68 | 43 |
| 31 | 12/01/2025 | 04:46:24 | 74.40, 96.51 | 96.33 | 12/01/2025 | 04:45:36 | 74.38, 96.56 | 96.32 | 2.55 | 48 |
| 32 | 12/01/2025 | 05:37:08 | -74.38, -96.12 | 83.69 | 12/01/2025 | 05:36:17 | -74.39, -96.10 | 83.67 | 0.83 | 51 |
| 33 | 12/01/2025 | 06:27:54 | 74.40, 71.14 | 96.34 | 12/01/2025 | 06:26:58 | 74.38, 71.22 | 96.33 | 3.09 | 56 |
| 34 | 12/01/2025 | 07:18:38 | -74.38,-121.49 | 83.68 | 12/01/2025 | 07:17:39 | -74.39,-121.44 | 83.66 | 1.47 | 59 |
| 35 | 12/01/2025 | 08:09:23 | 74.35, 45.90 | 96.30 | 12/01/2025 | 08:08:20 | 74.38, 45.88 | 96.34 | 3.47 | 63 |
| 36 | 12/01/2025 | 09:00:08 | -74.38,-146.86 | 83.67 | 12/01/2025 | 08:59:01 | -74.38,-146.79 | 83.65 | 2.21 | 67 |
| 37 | 12/01/2025 | 09:50:53 | 74.35, 20.53 | 96.31 | 12/01/2025 | 09:49:42 | 74.38, 20.53 | 96.35 | 3.41 | 71 |
| 38 | 12/01/2025 | 10:41:38 | -74.38,-172.23 | 83.66 | 12/01/2025 | 10:40:23 | -74.38,-172.13 | 83.64 | 2.98 | 75 |
| 39 | 12/01/2025 | 11:32:20 | 74.20, -4.47 | 96.16 | 12/01/2025 | 11:31:07 | 74.23, -5.19 | 96.23 | 22.10 | 73 |
| 40 | 12/01/2025 | 12:23:02 | -74.08, 163.15 | 83.97 | 12/01/2025 | 12:21:51 | -74.09, 161.78 | 83.90 | 41.63 | 71 |
| 41 | 12/01/2025 | 13:13:44 | 73.90, -29.11 | 95.85 | 12/01/2025 | 13:12:36 | 73.88, -31.39 | 95.94 | 70.38 | 68 |
| 42 | 12/01/2025 | 14:04:26 | -73.79, 138.49 | 84.28 | 12/01/2025 | 14:03:19 | -73.79, 135.72 | 84.15 | 86.16 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 11/30/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 11/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B