Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and METOP-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/9/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (METOP-C) | Time (METOP-C) | Lat,Lon (METOP-C) | SZA (METOP-C ) | Distance(km) | Time Diff (sec) |
| 1 | 08/15/2025 | 16:10:24 | 73.23, -72.03 | 59.63 | 08/15/2025 | 16:11:32 | 73.18, -69.78 | 59.45 | 72.60 | 68 |
| 2 | 08/15/2025 | 17:01:07 | -73.18, 95.39 | 120.42 | 08/15/2025 | 17:02:16 | -73.10, 97.36 | 120.62 | 64.35 | 69 |
| 3 | 08/15/2025 | 17:51:48 | 72.93, -96.76 | 59.32 | 08/15/2025 | 17:52:59 | 72.91, -95.70 | 59.23 | 34.71 | 71 |
| 4 | 08/15/2025 | 18:42:31 | -72.89, 70.65 | 120.72 | 08/15/2025 | 18:43:43 | -72.83, 71.45 | 120.84 | 26.86 | 72 |
| 5 | 08/15/2025 | 19:33:12 | 72.63,-121.51 | 59.02 | 08/15/2025 | 19:34:26 | 72.64,-121.61 | 59.01 | 3.20 | 74 |
| 6 | 08/15/2025 | 20:23:56 | -72.64, 45.79 | 120.97 | 08/15/2025 | 20:25:08 | -72.65, 45.75 | 120.97 | 2.20 | 72 |
| 7 | 08/15/2025 | 21:14:42 | 72.64,-146.90 | 59.05 | 08/15/2025 | 21:15:47 | 72.67,-146.88 | 59.06 | 3.21 | 65 |
| 8 | 08/15/2025 | 22:05:26 | -72.64, 20.41 | 120.94 | 08/15/2025 | 22:06:30 | -72.64, 20.38 | 120.96 | 1.40 | 64 |
| 9 | 08/15/2025 | 22:56:12 | 72.65,-172.28 | 59.07 | 08/15/2025 | 22:57:09 | 72.65,-172.26 | 59.06 | 0.91 | 57 |
| 10 | 08/15/2025 | 23:46:56 | -72.65, -4.98 | 120.91 | 08/15/2025 | 23:47:51 | -72.67, -4.90 | 120.91 | 3.33 | 55 |
| 11 | 08/16/2025 | 00:37:42 | 72.65, 162.33 | 59.10 | 08/16/2025 | 00:38:31 | 72.63, 162.36 | 59.07 | 2.50 | 49 |
| 12 | 08/16/2025 | 01:28:26 | -72.66, -30.36 | 120.89 | 08/16/2025 | 01:29:13 | -72.65, -30.28 | 120.91 | 2.98 | 47 |
| 13 | 08/16/2025 | 02:19:11 | 72.61, 137.05 | 59.08 | 08/16/2025 | 02:19:53 | 72.61, 136.98 | 59.08 | 2.24 | 42 |
| 14 | 08/16/2025 | 03:09:55 | -72.61, -55.65 | 120.91 | 08/16/2025 | 03:10:35 | -72.63, -55.65 | 120.90 | 2.29 | 40 |
| 15 | 08/16/2025 | 04:00:41 | 72.61, 111.66 | 59.10 | 08/16/2025 | 04:01:15 | 72.59, 111.60 | 59.08 | 2.78 | 34 |
| 16 | 08/16/2025 | 04:51:24 | -72.62, -81.03 | 120.88 | 08/16/2025 | 04:51:56 | -72.61, -81.03 | 120.90 | 0.42 | 32 |
| 17 | 08/16/2025 | 05:42:10 | 72.62, 86.28 | 59.13 | 08/16/2025 | 05:42:35 | 72.63, 86.33 | 59.13 | 2.04 | 25 |
| 18 | 08/16/2025 | 06:32:54 | -72.62,-106.42 | 120.86 | 08/16/2025 | 06:33:18 | -72.59,-106.41 | 120.89 | 3.13 | 24 |
| 19 | 08/16/2025 | 07:23:40 | 72.62, 60.89 | 59.16 | 08/16/2025 | 07:23:57 | 72.61, 60.95 | 59.14 | 2.79 | 17 |
| 20 | 08/16/2025 | 08:14:23 | -72.58,-131.70 | 120.88 | 08/16/2025 | 08:14:40 | -72.58,-131.79 | 120.88 | 2.94 | 17 |
| 21 | 08/16/2025 | 09:05:09 | 72.58, 35.61 | 59.13 | 08/16/2025 | 09:05:19 | 72.59, 35.57 | 59.14 | 1.54 | 10 |
| 22 | 08/16/2025 | 09:55:53 | -72.58,-157.09 | 120.86 | 08/16/2025 | 09:56:01 | -72.61,-157.06 | 120.83 | 2.87 | 8 |
| 23 | 08/16/2025 | 10:46:39 | 72.58, 10.22 | 59.16 | 08/16/2025 | 10:46:41 | 72.57, 10.20 | 59.15 | 1.82 | 2 |
| 24 | 08/16/2025 | 11:37:23 | -72.59, 177.53 | 120.83 | 08/16/2025 | 11:37:23 | -72.59, 177.56 | 120.83 | 1.02 | 0 |
| 25 | 08/16/2025 | 12:28:09 | 72.59, -15.17 | 59.19 | 08/16/2025 | 12:28:02 | 72.60, -15.08 | 59.20 | 3.18 | 7 |
| 26 | 08/16/2025 | 13:18:53 | -72.59, 152.14 | 120.80 | 08/16/2025 | 13:18:45 | -72.57, 152.18 | 120.82 | 2.93 | 8 |
| 27 | 08/16/2025 | 14:09:39 | 72.60, -40.55 | 59.22 | 08/16/2025 | 14:09:24 | 72.58, -40.46 | 59.20 | 3.47 | 15 |
| 28 | 08/16/2025 | 15:00:22 | -72.55, 126.86 | 120.83 | 08/16/2025 | 15:00:07 | -72.55, 126.80 | 120.82 | 1.90 | 15 |
| 29 | 08/16/2025 | 15:51:08 | 72.55, -65.83 | 59.19 | 08/16/2025 | 15:50:46 | 72.56, -65.83 | 59.21 | 1.51 | 22 |
| 30 | 08/16/2025 | 16:41:52 | -72.55, 101.47 | 120.80 | 08/16/2025 | 16:41:29 | -72.53, 101.43 | 120.81 | 2.90 | 23 |
| 31 | 08/16/2025 | 17:32:38 | 72.56, -91.22 | 59.22 | 08/16/2025 | 17:32:08 | 72.55, -91.21 | 59.22 | 1.25 | 30 |
| 32 | 08/16/2025 | 18:23:22 | -72.56, 76.09 | 120.77 | 08/16/2025 | 18:22:50 | -72.56, 76.15 | 120.76 | 2.15 | 32 |
| 33 | 08/16/2025 | 19:14:07 | 72.51,-116.50 | 59.19 | 08/16/2025 | 19:13:30 | 72.53,-116.59 | 59.22 | 3.37 | 37 |
| 34 | 08/16/2025 | 20:04:52 | -72.57, 50.70 | 120.74 | 08/16/2025 | 20:04:12 | -72.55, 50.77 | 120.75 | 3.19 | 40 |
| 35 | 08/16/2025 | 20:55:37 | 72.52,-141.89 | 59.22 | 08/16/2025 | 20:54:52 | 72.51,-141.97 | 59.23 | 2.82 | 45 |
| 36 | 08/16/2025 | 21:46:21 | -72.52, 25.42 | 120.77 | 08/16/2025 | 21:45:34 | -72.53, 25.40 | 120.75 | 1.12 | 47 |
| 37 | 08/16/2025 | 22:37:07 | 72.52,-167.27 | 59.25 | 08/16/2025 | 22:36:13 | 72.54,-167.24 | 59.28 | 2.20 | 54 |
| 38 | 08/16/2025 | 23:27:51 | -72.53, 0.03 | 120.74 | 08/16/2025 | 23:26:56 | -72.51, 0.02 | 120.74 | 2.01 | 55 |
| 39 | 08/17/2025 | 00:18:37 | 72.53, 167.34 | 59.28 | 08/17/2025 | 00:17:35 | 72.52, 167.38 | 59.28 | 1.58 | 62 |
| 40 | 08/17/2025 | 01:09:21 | -72.53, -25.35 | 120.71 | 08/17/2025 | 01:08:17 | -72.54, -25.26 | 120.69 | 3.30 | 64 |
| 41 | 08/17/2025 | 02:00:06 | 72.48, 142.06 | 59.25 | 08/17/2025 | 01:58:57 | 72.50, 142.00 | 59.29 | 2.78 | 69 |
| 42 | 08/17/2025 | 02:50:51 | -72.54, -50.74 | 120.68 | 08/17/2025 | 02:49:39 | -72.52, -50.63 | 120.69 | 3.81 | 72 |
| 43 | 08/17/2025 | 03:41:34 | 72.39, 116.87 | 59.17 | 08/17/2025 | 03:40:21 | 72.38, 116.42 | 59.20 | 15.28 | 73 |
| 44 | 08/17/2025 | 04:32:17 | -72.34, -75.72 | 120.88 | 08/17/2025 | 04:31:04 | -72.35, -76.32 | 120.82 | 20.28 | 73 |
| 45 | 08/17/2025 | 05:22:58 | 72.09, 92.09 | 58.86 | 08/17/2025 | 05:21:48 | 72.11, 90.55 | 58.99 | 52.80 | 70 |
| 46 | 08/17/2025 | 06:13:41 | -72.04,-100.51 | 121.18 | 08/17/2025 | 06:12:31 | -72.08,-102.19 | 121.03 | 57.73 | 70 |
| 47 | 08/17/2025 | 07:04:22 | 71.78, 67.28 | 58.56 | 08/17/2025 | 07:03:16 | 71.78, 64.59 | 58.72 | 93.70 | 66 |
| 48 | 08/17/2025 | 07:55:05 | -71.74,-125.32 | 121.48 | 08/17/2025 | 07:53:59 | -71.75,-128.14 | 121.30 | 98.38 | 66 |
Figure of NOAA-20 and METOP-C satellite orbits during SNOs since TLE Epoch: 8/9/2025
Download SNOs between NOAA-20 and METOP-C since TLE EPOCH: 08/09/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and METOP-C