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: 11/25/2025
| 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 | -75.08, -1.30 | 83.12 | 11/29/2025 | 23:11:29 | -75.03, 1.79 | 83.30 | 88.90 | 66 |
| 2 | 11/30/2025 | 00:01:05 | 74.92, 166.49 | 96.71 | 11/30/2025 | 00:02:13 | 74.88, 168.70 | 96.57 | 64.26 | 68 |
| 3 | 11/30/2025 | 00:51:47 | -74.80, -25.86 | 83.42 | 11/30/2025 | 00:52:57 | -74.74, -24.36 | 83.55 | 44.34 | 70 |
| 4 | 11/30/2025 | 01:42:29 | 74.63, 141.92 | 96.40 | 11/30/2025 | 01:43:41 | 74.59, 142.56 | 96.32 | 19.64 | 72 |
| 5 | 11/30/2025 | 02:33:11 | -74.51, -50.44 | 83.73 | 11/30/2025 | 02:34:24 | -74.49, -50.35 | 83.76 | 3.07 | 73 |
| 6 | 11/30/2025 | 03:23:56 | 74.48, 116.93 | 96.25 | 11/30/2025 | 03:25:05 | 74.49, 116.96 | 96.24 | 1.08 | 69 |
| 7 | 11/30/2025 | 04:14:41 | -74.50, -75.82 | 83.72 | 11/30/2025 | 04:15:46 | -74.49, -75.69 | 83.75 | 3.78 | 65 |
| 8 | 11/30/2025 | 05:05:26 | 74.48, 91.56 | 96.26 | 11/30/2025 | 05:06:27 | 74.49, 91.62 | 96.25 | 1.75 | 61 |
| 9 | 11/30/2025 | 05:56:10 | -74.45,-101.06 | 83.77 | 11/30/2025 | 05:57:09 | -74.44,-101.17 | 83.78 | 3.42 | 59 |
| 10 | 11/30/2025 | 06:46:56 | 74.48, 66.19 | 96.27 | 11/30/2025 | 06:47:49 | 74.48, 66.27 | 96.27 | 2.49 | 53 |
| 11 | 11/30/2025 | 07:37:40 | -74.45,-126.43 | 83.76 | 11/30/2025 | 07:38:31 | -74.44,-126.51 | 83.77 | 2.68 | 51 |
| 12 | 11/30/2025 | 08:28:26 | 74.48, 40.82 | 96.28 | 11/30/2025 | 08:29:11 | 74.48, 40.93 | 96.28 | 3.25 | 45 |
| 13 | 11/30/2025 | 09:19:10 | -74.45,-151.80 | 83.75 | 11/30/2025 | 09:19:53 | -74.44,-151.85 | 83.76 | 1.96 | 43 |
| 14 | 11/30/2025 | 10:09:55 | 74.43, 15.58 | 96.24 | 11/30/2025 | 10:10:34 | 74.43, 15.45 | 96.24 | 3.80 | 39 |
| 15 | 11/30/2025 | 11:00:40 | -74.45,-177.17 | 83.74 | 11/30/2025 | 11:01:15 | -74.44,-177.20 | 83.75 | 1.33 | 35 |
| 16 | 11/30/2025 | 11:51:24 | 74.42, -9.79 | 96.25 | 11/30/2025 | 11:51:55 | 74.43, -9.89 | 96.25 | 3.04 | 31 |
| 17 | 11/30/2025 | 12:42:09 | -74.45, 157.46 | 83.73 | 11/30/2025 | 12:42:36 | -74.44, 157.46 | 83.74 | 0.95 | 27 |
| 18 | 11/30/2025 | 13:32:54 | 74.42, -35.16 | 96.26 | 11/30/2025 | 13:33:17 | 74.43, -35.24 | 96.26 | 2.30 | 23 |
| 19 | 11/30/2025 | 14:23:39 | -74.45, 132.09 | 83.72 | 11/30/2025 | 14:23:58 | -74.44, 132.11 | 83.73 | 1.13 | 19 |
| 20 | 11/30/2025 | 15:14:24 | 74.42, -60.54 | 96.27 | 11/30/2025 | 15:14:39 | 74.43, -60.58 | 96.27 | 1.62 | 15 |
| 21 | 11/30/2025 | 16:05:09 | -74.44, 106.72 | 83.71 | 11/30/2025 | 16:05:20 | -74.44, 106.77 | 83.72 | 1.70 | 11 |
| 22 | 11/30/2025 | 16:55:54 | 74.42, -85.91 | 96.28 | 11/30/2025 | 16:56:01 | 74.43, -85.93 | 96.28 | 1.09 | 7 |
| 23 | 11/30/2025 | 17:46:39 | -74.44, 81.35 | 83.70 | 11/30/2025 | 17:46:42 | -74.44, 81.42 | 83.71 | 2.39 | 3 |
| 24 | 11/30/2025 | 18:37:24 | 74.42,-111.28 | 96.29 | 11/30/2025 | 18:37:23 | 74.43,-111.27 | 96.29 | 1.00 | 1 |
| 25 | 11/30/2025 | 19:28:09 | -74.44, 55.98 | 83.69 | 11/30/2025 | 19:28:04 | -74.43, 56.08 | 83.70 | 3.13 | 5 |
| 26 | 11/30/2025 | 20:18:54 | 74.42,-136.65 | 96.30 | 11/30/2025 | 20:18:45 | 74.43,-136.61 | 96.30 | 1.44 | 9 |
| 27 | 11/30/2025 | 21:09:38 | -74.39, 30.73 | 83.73 | 11/30/2025 | 21:09:27 | -74.38, 30.61 | 83.73 | 3.83 | 11 |
| 28 | 11/30/2025 | 22:00:24 | 74.42,-162.02 | 96.31 | 11/30/2025 | 22:00:07 | 74.43,-161.96 | 96.31 | 2.10 | 17 |
| 29 | 11/30/2025 | 22:51:08 | -74.39, 5.36 | 83.72 | 11/30/2025 | 22:50:49 | -74.38, 5.26 | 83.72 | 3.05 | 19 |
| 30 | 11/30/2025 | 23:41:54 | 74.41, 172.61 | 96.31 | 11/30/2025 | 23:41:29 | 74.42, 172.70 | 96.32 | 2.82 | 25 |
| 31 | 12/01/2025 | 00:32:38 | -74.39, -20.01 | 83.71 | 12/01/2025 | 00:32:11 | -74.38, -20.08 | 83.71 | 2.28 | 27 |
| 32 | 12/01/2025 | 01:23:24 | 74.41, 147.24 | 96.32 | 12/01/2025 | 01:22:51 | 74.42, 147.35 | 96.33 | 3.58 | 33 |
| 33 | 12/01/2025 | 02:14:08 | -74.39, -45.38 | 83.70 | 12/01/2025 | 02:13:33 | -74.38, -45.43 | 83.70 | 1.53 | 35 |
| 34 | 12/01/2025 | 03:04:53 | 74.36, 121.99 | 96.28 | 12/01/2025 | 03:04:14 | 74.37, 121.88 | 96.30 | 3.54 | 39 |
| 35 | 12/01/2025 | 03:55:38 | -74.39, -70.75 | 83.69 | 12/01/2025 | 03:54:55 | -74.38, -70.77 | 83.69 | 0.84 | 43 |
| 36 | 12/01/2025 | 04:46:23 | 74.36, 96.62 | 96.29 | 12/01/2025 | 04:45:36 | 74.37, 96.53 | 96.31 | 2.79 | 47 |
| 37 | 12/01/2025 | 05:37:08 | -74.38, -96.12 | 83.69 | 12/01/2025 | 05:36:17 | -74.38, -96.12 | 83.68 | 0.57 | 51 |
| 38 | 12/01/2025 | 06:27:53 | 74.36, 71.25 | 96.30 | 12/01/2025 | 06:26:58 | 74.37, 71.19 | 96.32 | 2.09 | 55 |
| 39 | 12/01/2025 | 07:18:38 | -74.38,-121.49 | 83.68 | 12/01/2025 | 07:17:39 | -74.38,-121.46 | 83.67 | 1.09 | 59 |
| 40 | 12/01/2025 | 08:09:23 | 74.36, 45.88 | 96.31 | 12/01/2025 | 08:08:20 | 74.37, 45.85 | 96.33 | 1.47 | 63 |
| 41 | 12/01/2025 | 09:00:08 | -74.38,-146.86 | 83.67 | 12/01/2025 | 08:59:01 | -74.38,-146.81 | 83.66 | 1.81 | 67 |
| 42 | 12/01/2025 | 09:50:53 | 74.36, 20.51 | 96.32 | 12/01/2025 | 09:49:42 | 74.37, 20.50 | 96.34 | 1.10 | 71 |
| 43 | 12/01/2025 | 10:41:38 | -74.38,-172.23 | 83.66 | 12/01/2025 | 10:40:23 | -74.38,-172.15 | 83.65 | 2.57 | 75 |
| 44 | 12/01/2025 | 11:32:20 | 74.21, -4.49 | 96.17 | 12/01/2025 | 11:31:07 | 74.22, -5.22 | 96.22 | 22.19 | 73 |
| 45 | 12/01/2025 | 12:23:02 | -74.09, 163.14 | 83.97 | 12/01/2025 | 12:21:51 | -74.08, 161.76 | 83.90 | 41.99 | 71 |
| 46 | 12/01/2025 | 13:13:44 | 73.91, -29.12 | 95.86 | 12/01/2025 | 13:12:35 | 73.92, -31.30 | 95.97 | 66.90 | 69 |
| 47 | 12/01/2025 | 14:04:26 | -73.79, 138.49 | 84.28 | 12/01/2025 | 14:03:19 | -73.78, 135.70 | 84.15 | 86.52 | 67 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 11/25/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 11/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B