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: 4/16/2025
| 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, 72.37 | 116.63 | 04/19/2025 | 18:31:43 | -74.71, 69.50 | 116.45 | 84.22 | 67 |
| 2 | 04/19/2025 | 19:23:35 | 74.46,-120.93 | 63.15 | 04/19/2025 | 19:22:24 | 74.46,-122.53 | 63.26 | 47.62 | 71 |
| 3 | 04/19/2025 | 20:14:18 | -74.39, 46.22 | 116.92 | 04/19/2025 | 20:13:06 | -74.37, 45.03 | 116.86 | 35.76 | 72 |
| 4 | 04/19/2025 | 21:05:02 | 74.19,-146.94 | 62.90 | 04/19/2025 | 21:03:48 | 74.17,-147.15 | 62.90 | 6.95 | 74 |
| 5 | 04/19/2025 | 21:55:45 | -74.13, 20.22 | 117.17 | 04/19/2025 | 21:54:31 | -74.12, 20.28 | 117.16 | 1.85 | 74 |
| 6 | 04/19/2025 | 22:46:25 | 74.13,-172.45 | 62.82 | 04/19/2025 | 22:45:17 | 74.12,-172.40 | 62.82 | 1.88 | 68 |
| 7 | 04/19/2025 | 23:37:07 | -74.11, -5.16 | 117.21 | 04/19/2025 | 23:36:01 | -74.12, -5.09 | 117.19 | 2.47 | 66 |
| 8 | 04/20/2025 | 00:27:47 | 74.11, 162.17 | 62.78 | 04/20/2025 | 00:26:47 | 74.12, 162.23 | 62.80 | 2.05 | 60 |
| 9 | 04/20/2025 | 01:18:28 | -74.14, -30.42 | 117.21 | 04/20/2025 | 01:17:31 | -74.12, -30.46 | 117.21 | 2.66 | 57 |
| 10 | 04/20/2025 | 02:09:08 | 74.14, 136.91 | 62.78 | 04/20/2025 | 02:08:17 | 74.12, 136.86 | 62.77 | 3.18 | 51 |
| 11 | 04/20/2025 | 02:59:50 | -74.12, -55.81 | 117.25 | 04/20/2025 | 02:59:01 | -74.12, -55.84 | 117.24 | 1.01 | 49 |
| 12 | 04/20/2025 | 03:50:30 | 74.12, 111.52 | 62.74 | 04/20/2025 | 03:49:47 | 74.12, 111.49 | 62.75 | 1.45 | 43 |
| 13 | 04/20/2025 | 04:41:12 | -74.11, -81.19 | 117.29 | 04/20/2025 | 04:40:31 | -74.12, -81.21 | 117.26 | 1.43 | 41 |
| 14 | 04/20/2025 | 05:31:52 | 74.11, 86.14 | 62.71 | 04/20/2025 | 05:31:17 | 74.11, 86.11 | 62.72 | 1.21 | 35 |
| 15 | 04/20/2025 | 06:22:34 | -74.09,-106.57 | 117.32 | 04/20/2025 | 06:22:01 | -74.12,-106.58 | 117.29 | 3.18 | 33 |
| 16 | 04/20/2025 | 07:13:14 | 74.09, 60.75 | 62.67 | 04/20/2025 | 07:12:47 | 74.11, 60.74 | 62.70 | 2.87 | 27 |
| 17 | 04/20/2025 | 08:03:55 | -74.12,-131.84 | 117.32 | 04/20/2025 | 08:03:31 | -74.12,-131.95 | 117.31 | 3.53 | 24 |
| 18 | 04/20/2025 | 08:54:36 | 74.07, 35.37 | 62.63 | 04/20/2025 | 08:54:16 | 74.06, 35.49 | 62.62 | 3.76 | 20 |
| 19 | 04/20/2025 | 09:45:17 | -74.10,-157.22 | 117.36 | 04/20/2025 | 09:45:01 | -74.12,-157.33 | 117.34 | 3.45 | 16 |
| 20 | 04/20/2025 | 10:35:57 | 74.10, 10.11 | 62.63 | 04/20/2025 | 10:35:47 | 74.11, 9.99 | 62.65 | 3.57 | 10 |
| 21 | 04/20/2025 | 11:26:39 | -74.09, 177.39 | 117.40 | 04/20/2025 | 11:26:30 | -74.07, 177.42 | 117.42 | 2.38 | 9 |
| 22 | 04/20/2025 | 12:17:19 | 74.08, -15.28 | 62.59 | 04/20/2025 | 12:17:16 | 74.06, -15.26 | 62.57 | 2.56 | 3 |
| 23 | 04/20/2025 | 13:08:01 | -74.07, 152.01 | 117.44 | 04/20/2025 | 13:08:00 | -74.07, 152.05 | 117.44 | 1.31 | 1 |
| 24 | 04/20/2025 | 13:58:41 | 74.07, -40.66 | 62.55 | 04/20/2025 | 13:58:46 | 74.06, -40.63 | 62.54 | 1.19 | 5 |
| 25 | 04/20/2025 | 14:49:23 | -74.05, 126.63 | 117.48 | 04/20/2025 | 14:49:30 | -74.07, 126.68 | 117.47 | 2.21 | 7 |
| 26 | 04/20/2025 | 15:40:03 | 74.05, -66.05 | 62.51 | 04/20/2025 | 15:40:16 | 74.06, -66.00 | 62.52 | 1.93 | 13 |
| 27 | 04/20/2025 | 16:30:44 | -74.08, 101.36 | 117.48 | 04/20/2025 | 16:31:00 | -74.06, 101.31 | 117.49 | 2.72 | 16 |
| 28 | 04/20/2025 | 17:21:24 | 74.08, -91.31 | 62.52 | 04/20/2025 | 17:21:46 | 74.06, -91.37 | 62.49 | 3.00 | 22 |
| 29 | 04/20/2025 | 18:12:06 | -74.07, 75.98 | 117.51 | 04/20/2025 | 18:12:30 | -74.06, 75.93 | 117.52 | 1.40 | 24 |
| 30 | 04/20/2025 | 19:02:46 | 74.06,-116.70 | 62.48 | 04/20/2025 | 19:03:16 | 74.06,-116.75 | 62.47 | 1.64 | 30 |
| 31 | 04/20/2025 | 19:53:28 | -74.05, 50.60 | 117.55 | 04/20/2025 | 19:54:00 | -74.06, 50.56 | 117.54 | 1.93 | 32 |
| 32 | 04/20/2025 | 20:44:08 | 74.04,-142.08 | 62.44 | 04/20/2025 | 20:44:46 | 74.06,-142.12 | 62.44 | 1.99 | 38 |
| 33 | 04/20/2025 | 21:34:50 | -74.03, 25.21 | 117.59 | 04/20/2025 | 21:35:30 | -74.06, 25.19 | 117.57 | 3.56 | 40 |
| 34 | 04/20/2025 | 22:25:30 | 74.03,-167.46 | 62.40 | 04/20/2025 | 22:26:15 | 74.01,-167.37 | 62.36 | 3.47 | 45 |
| 35 | 04/20/2025 | 23:16:12 | -74.01, -0.17 | 117.63 | 04/20/2025 | 23:16:59 | -74.01, -0.06 | 117.65 | 3.36 | 47 |
| 36 | 04/21/2025 | 00:06:52 | 74.01, 167.15 | 62.36 | 04/21/2025 | 00:07:45 | 74.01, 167.26 | 62.34 | 3.16 | 53 |
| 37 | 04/21/2025 | 00:57:33 | -74.04, -25.44 | 117.63 | 04/21/2025 | 00:58:29 | -74.01, -25.44 | 117.67 | 3.71 | 56 |
| 38 | 04/21/2025 | 01:48:13 | 74.04, 141.89 | 62.36 | 04/21/2025 | 01:49:15 | 74.01, 141.88 | 62.31 | 3.73 | 62 |
| 39 | 04/21/2025 | 02:38:55 | -74.03, -50.82 | 117.67 | 04/21/2025 | 02:39:59 | -74.01, -50.81 | 117.70 | 1.87 | 64 |
| 40 | 04/21/2025 | 03:29:35 | 74.02, 116.50 | 62.32 | 04/21/2025 | 03:30:45 | 74.01, 116.51 | 62.29 | 1.82 | 70 |
| 41 | 04/21/2025 | 04:20:17 | -74.01, -76.20 | 117.71 | 04/21/2025 | 04:21:29 | -74.01, -76.18 | 117.72 | 0.71 | 72 |
| 42 | 04/21/2025 | 05:11:00 | 73.86, 90.76 | 62.16 | 04/21/2025 | 05:12:13 | 73.91, 91.38 | 62.15 | 19.82 | 73 |
| 43 | 04/21/2025 | 06:01:43 | -73.79,-102.06 | 117.91 | 04/21/2025 | 06:02:55 | -73.81,-101.07 | 117.97 | 30.58 | 72 |
| 44 | 04/21/2025 | 06:52:27 | 73.54, 64.69 | 61.86 | 04/21/2025 | 06:53:35 | 73.56, 66.83 | 61.74 | 67.49 | 68 |
| 45 | 04/21/2025 | 07:43:11 | -73.43,-128.23 | 118.25 | 04/21/2025 | 07:44:18 | -73.51,-125.75 | 118.32 | 79.31 | 67 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/16/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 04/16/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP