Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-B and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/9/2025
| Index | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 04/19/2025 | 18:32:50 | -74.70, 72.38 | 116.63 | 04/19/2025 | 18:31:43 | -74.72, 69.48 | 116.44 | 85.14 | 67 |
| 2 | 04/19/2025 | 19:23:34 | 74.50,-120.82 | 63.19 | 04/19/2025 | 19:22:24 | 74.48,-122.57 | 63.28 | 52.31 | 70 |
| 3 | 04/19/2025 | 20:14:18 | -74.39, 46.23 | 116.92 | 04/19/2025 | 20:13:06 | -74.38, 45.01 | 116.85 | 36.63 | 72 |
| 4 | 04/19/2025 | 21:05:02 | 74.19,-146.95 | 62.90 | 04/19/2025 | 21:03:48 | 74.18,-147.19 | 62.92 | 7.23 | 74 |
| 5 | 04/19/2025 | 21:55:45 | -74.13, 20.23 | 117.17 | 04/19/2025 | 21:54:31 | -74.13, 20.26 | 117.15 | 0.88 | 74 |
| 6 | 04/19/2025 | 22:46:25 | 74.12,-172.45 | 62.82 | 04/19/2025 | 22:45:17 | 74.13,-172.44 | 62.84 | 1.49 | 68 |
| 7 | 04/19/2025 | 23:37:07 | -74.11, -5.15 | 117.21 | 04/19/2025 | 23:36:01 | -74.13, -5.11 | 117.18 | 2.44 | 66 |
| 8 | 04/20/2025 | 00:27:47 | 74.10, 162.16 | 62.78 | 04/20/2025 | 00:26:47 | 74.13, 162.19 | 62.82 | 3.40 | 60 |
| 9 | 04/20/2025 | 01:18:28 | -74.14, -30.41 | 117.21 | 04/20/2025 | 01:17:31 | -74.13, -30.49 | 117.20 | 2.63 | 57 |
| 10 | 04/20/2025 | 02:09:08 | 74.14, 136.90 | 62.78 | 04/20/2025 | 02:08:17 | 74.13, 136.82 | 62.79 | 2.45 | 51 |
| 11 | 04/20/2025 | 02:59:50 | -74.13, -55.80 | 117.25 | 04/20/2025 | 02:59:01 | -74.13, -55.86 | 117.23 | 1.86 | 49 |
| 12 | 04/20/2025 | 03:50:30 | 74.12, 111.51 | 62.74 | 04/20/2025 | 03:49:47 | 74.13, 111.45 | 62.77 | 2.60 | 43 |
| 13 | 04/20/2025 | 04:41:12 | -74.11, -81.18 | 117.28 | 04/20/2025 | 04:40:31 | -74.13, -81.23 | 117.25 | 2.68 | 41 |
| 14 | 04/20/2025 | 05:31:52 | 74.10, 86.13 | 62.70 | 04/20/2025 | 05:31:16 | 74.08, 86.20 | 62.69 | 2.84 | 36 |
| 15 | 04/20/2025 | 06:22:34 | -74.09,-106.57 | 117.32 | 04/20/2025 | 06:22:00 | -74.08,-106.48 | 117.33 | 2.91 | 34 |
| 16 | 04/20/2025 | 07:13:14 | 74.08, 60.75 | 62.66 | 04/20/2025 | 07:12:46 | 74.08, 60.82 | 62.66 | 2.34 | 28 |
| 17 | 04/20/2025 | 08:03:56 | -74.07,-131.95 | 117.36 | 04/20/2025 | 08:03:30 | -74.08,-131.85 | 117.36 | 2.96 | 26 |
| 18 | 04/20/2025 | 08:54:36 | 74.07, 35.36 | 62.62 | 04/20/2025 | 08:54:16 | 74.08, 35.45 | 62.64 | 3.22 | 20 |
| 19 | 04/20/2025 | 09:45:17 | -74.11,-157.21 | 117.36 | 04/20/2025 | 09:45:00 | -74.08,-157.23 | 117.38 | 3.13 | 17 |
| 20 | 04/20/2025 | 10:35:57 | 74.10, 10.10 | 62.63 | 04/20/2025 | 10:35:46 | 74.08, 10.08 | 62.61 | 1.94 | 11 |
| 21 | 04/20/2025 | 11:26:39 | -74.09, 177.40 | 117.40 | 04/20/2025 | 11:26:30 | -74.08, 177.40 | 117.41 | 1.24 | 9 |
| 22 | 04/20/2025 | 12:17:19 | 74.08, -15.29 | 62.59 | 04/20/2025 | 12:17:16 | 74.08, -15.30 | 62.59 | 0.35 | 3 |
| 23 | 04/20/2025 | 13:08:01 | -74.07, 152.02 | 117.44 | 04/20/2025 | 13:08:00 | -74.08, 152.03 | 117.43 | 0.68 | 1 |
| 24 | 04/20/2025 | 13:58:41 | 74.06, -40.67 | 62.55 | 04/20/2025 | 13:58:46 | 74.08, -40.67 | 62.56 | 2.01 | 5 |
| 25 | 04/20/2025 | 14:49:23 | -74.05, 126.64 | 117.48 | 04/20/2025 | 14:49:30 | -74.08, 126.65 | 117.46 | 2.58 | 7 |
| 26 | 04/20/2025 | 15:40:02 | 74.09, -65.93 | 62.55 | 04/20/2025 | 15:40:16 | 74.08, -66.04 | 62.54 | 3.71 | 14 |
| 27 | 04/20/2025 | 16:30:44 | -74.09, 101.37 | 117.47 | 04/20/2025 | 16:31:00 | -74.08, 101.28 | 117.48 | 2.97 | 16 |
| 28 | 04/20/2025 | 17:21:24 | 74.08, -91.32 | 62.51 | 04/20/2025 | 17:21:46 | 74.08, -91.42 | 62.51 | 3.03 | 22 |
| 29 | 04/20/2025 | 18:12:06 | -74.07, 75.99 | 117.51 | 04/20/2025 | 18:12:30 | -74.07, 75.91 | 117.51 | 2.54 | 24 |
| 30 | 04/20/2025 | 19:02:46 | 74.06,-116.70 | 62.47 | 04/20/2025 | 19:03:15 | 74.03,-116.67 | 62.43 | 3.40 | 29 |
| 31 | 04/20/2025 | 19:53:28 | -74.05, 50.60 | 117.55 | 04/20/2025 | 19:53:59 | -74.02, 50.66 | 117.59 | 3.23 | 31 |
| 32 | 04/20/2025 | 20:44:08 | 74.04,-142.09 | 62.43 | 04/20/2025 | 20:44:45 | 74.03,-142.04 | 62.41 | 1.91 | 37 |
| 33 | 04/20/2025 | 21:34:50 | -74.03, 25.22 | 117.59 | 04/20/2025 | 21:35:29 | -74.02, 25.28 | 117.61 | 2.15 | 39 |
| 34 | 04/20/2025 | 22:25:30 | 74.02,-167.47 | 62.39 | 04/20/2025 | 22:26:15 | 74.03,-167.41 | 62.38 | 1.82 | 45 |
| 35 | 04/20/2025 | 23:16:12 | -74.01, -0.16 | 117.63 | 04/20/2025 | 23:16:59 | -74.02, -0.09 | 117.64 | 2.48 | 47 |
| 36 | 04/21/2025 | 00:06:52 | 74.00, 167.15 | 62.35 | 04/21/2025 | 00:07:45 | 74.03, 167.21 | 62.36 | 3.26 | 53 |
| 37 | 04/21/2025 | 00:57:33 | -74.05, -25.43 | 117.63 | 04/21/2025 | 00:58:29 | -74.02, -25.46 | 117.66 | 2.83 | 56 |
| 38 | 04/21/2025 | 01:48:13 | 74.04, 141.88 | 62.36 | 04/21/2025 | 01:49:15 | 74.03, 141.84 | 62.33 | 1.67 | 62 |
| 39 | 04/21/2025 | 02:38:55 | -74.03, -50.81 | 117.67 | 04/21/2025 | 02:39:59 | -74.02, -50.83 | 117.69 | 1.03 | 64 |
| 40 | 04/21/2025 | 03:29:35 | 74.02, 116.50 | 62.32 | 04/21/2025 | 03:30:45 | 74.03, 116.47 | 62.31 | 1.31 | 70 |
| 41 | 04/21/2025 | 04:20:17 | -74.01, -76.19 | 117.71 | 04/21/2025 | 04:21:29 | -74.02, -76.21 | 117.71 | 1.23 | 72 |
| 42 | 04/21/2025 | 05:11:00 | 73.85, 90.76 | 62.15 | 04/21/2025 | 05:12:12 | 73.88, 91.45 | 62.12 | 21.75 | 72 |
| 43 | 04/21/2025 | 06:01:43 | -73.79,-102.05 | 117.91 | 04/21/2025 | 06:02:55 | -73.82,-101.10 | 117.96 | 29.57 | 72 |
| 44 | 04/21/2025 | 06:52:28 | 73.53, 64.68 | 61.86 | 04/21/2025 | 06:53:36 | 73.58, 66.79 | 61.77 | 66.49 | 68 |
| 45 | 04/21/2025 | 07:43:11 | -73.48,-128.11 | 118.20 | 04/21/2025 | 07:44:19 | -73.53,-125.77 | 118.31 | 74.12 | 68 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/9/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 04/09/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP