Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-A and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/11/2021
| Index | Date (METOP-A) | Time (METOP-A) | Lat,Lon (METOP-A) | SZA (METOP-A ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 10/19/2021 | 22:09:30 | 77.62,-171.42 | 88.30 | 10/19/2021 | 22:08:24 | 77.61,-174.90 | 88.52 | 82.84 | 66 |
| 2 | 10/19/2021 | 23:00:15 | -77.48, -4.73 | 91.80 | 10/19/2021 | 22:59:05 | -77.46, -6.88 | 91.66 | 51.82 | 70 |
| 3 | 10/19/2021 | 23:51:00 | 77.25, 161.65 | 88.06 | 10/19/2021 | 23:49:46 | 77.28, 161.25 | 88.13 | 10.16 | 74 |
| 4 | 10/20/2021 | 00:41:42 | -77.24, -31.08 | 91.95 | 10/20/2021 | 00:40:29 | -77.21, -31.14 | 91.95 | 3.41 | 73 |
| 5 | 10/20/2021 | 01:32:22 | 77.23, 136.22 | 88.07 | 10/20/2021 | 01:31:14 | 77.20, 136.23 | 88.05 | 3.88 | 68 |
| 6 | 10/20/2021 | 02:23:04 | -77.22, -56.51 | 91.94 | 10/20/2021 | 02:21:59 | -77.22, -56.53 | 91.92 | 0.56 | 65 |
| 7 | 10/20/2021 | 03:13:44 | 77.21, 110.79 | 88.08 | 10/20/2021 | 03:12:44 | 77.20, 110.84 | 88.08 | 1.62 | 60 |
| 8 | 10/20/2021 | 04:04:26 | -77.20, -81.94 | 91.93 | 10/20/2021 | 04:03:29 | -77.22, -81.92 | 91.89 | 2.54 | 57 |
| 9 | 10/20/2021 | 04:55:06 | 77.19, 85.36 | 88.09 | 10/20/2021 | 04:54:14 | 77.21, 85.45 | 88.11 | 2.81 | 52 |
| 10 | 10/20/2021 | 05:45:47 | -77.22,-107.19 | 91.88 | 10/20/2021 | 05:44:59 | -77.22,-107.31 | 91.86 | 3.10 | 48 |
| 11 | 10/20/2021 | 06:36:27 | 77.21, 60.11 | 88.13 | 10/20/2021 | 06:35:44 | 77.21, 60.06 | 88.14 | 1.39 | 43 |
| 12 | 10/20/2021 | 07:27:09 | -77.20,-132.62 | 91.87 | 10/20/2021 | 07:26:28 | -77.19,-132.52 | 91.88 | 2.84 | 41 |
| 13 | 10/20/2021 | 08:17:49 | 77.19, 34.69 | 88.14 | 10/20/2021 | 08:17:14 | 77.21, 34.67 | 88.17 | 2.58 | 35 |
| 14 | 10/20/2021 | 09:08:31 | -77.18,-158.04 | 91.86 | 10/20/2021 | 09:07:58 | -77.19,-157.91 | 91.85 | 3.54 | 33 |
| 15 | 10/20/2021 | 09:59:10 | 77.21, 9.44 | 88.18 | 10/20/2021 | 09:58:44 | 77.22, 9.28 | 88.20 | 4.00 | 26 |
| 16 | 10/20/2021 | 10:49:52 | -77.20, 176.71 | 91.82 | 10/20/2021 | 10:49:28 | -77.19, 176.70 | 91.82 | 0.84 | 24 |
| 17 | 10/20/2021 | 11:40:32 | 77.19, -15.99 | 88.19 | 10/20/2021 | 11:40:13 | 77.18, -15.93 | 88.18 | 2.14 | 19 |
| 18 | 10/20/2021 | 12:31:14 | -77.18, 151.28 | 91.81 | 10/20/2021 | 12:30:58 | -77.20, 151.31 | 91.79 | 2.12 | 16 |
| 19 | 10/20/2021 | 13:21:54 | 77.17, -41.42 | 88.20 | 10/20/2021 | 13:21:43 | 77.18, -41.32 | 88.21 | 2.77 | 11 |
| 20 | 10/20/2021 | 14:12:35 | -77.20, 126.03 | 91.77 | 10/20/2021 | 14:12:28 | -77.20, 125.92 | 91.76 | 2.82 | 7 |
| 21 | 10/20/2021 | 15:03:15 | 77.19, -66.67 | 88.24 | 10/20/2021 | 15:03:13 | 77.19, -66.71 | 88.24 | 1.34 | 2 |
| 22 | 10/20/2021 | 15:53:57 | -77.18, 100.60 | 91.76 | 10/20/2021 | 15:53:57 | -77.16, 100.71 | 91.79 | 3.33 | 0 |
| 23 | 10/20/2021 | 16:44:37 | 77.17, -92.10 | 88.25 | 10/20/2021 | 16:44:43 | 77.19, -92.10 | 88.27 | 2.08 | 6 |
| 24 | 10/20/2021 | 17:35:19 | -77.16, 75.17 | 91.75 | 10/20/2021 | 17:35:27 | -77.17, 75.32 | 91.76 | 3.62 | 8 |
| 25 | 10/20/2021 | 18:25:58 | 77.20,-117.35 | 88.29 | 10/20/2021 | 18:26:13 | 77.20,-117.50 | 88.30 | 3.71 | 15 |
| 26 | 10/20/2021 | 19:16:40 | -77.18, 49.92 | 91.71 | 10/20/2021 | 19:16:57 | -77.17, 49.93 | 91.73 | 1.31 | 17 |
| 27 | 10/20/2021 | 20:07:20 | 77.17,-142.77 | 88.30 | 10/20/2021 | 20:07:42 | 77.16,-142.70 | 88.27 | 2.65 | 22 |
| 28 | 10/20/2021 | 20:58:02 | -77.16, 24.50 | 91.70 | 10/20/2021 | 20:58:27 | -77.17, 24.53 | 91.70 | 1.77 | 25 |
| 29 | 10/20/2021 | 21:48:41 | 77.15,-168.20 | 88.31 | 10/20/2021 | 21:49:11 | 77.16,-168.09 | 88.30 | 2.81 | 30 |
| 30 | 10/20/2021 | 22:39:22 | -77.18, -0.75 | 91.66 | 10/20/2021 | 22:39:56 | -77.18, -0.86 | 91.67 | 2.64 | 34 |
| 31 | 10/20/2021 | 23:30:02 | 77.18, 166.55 | 88.35 | 10/20/2021 | 23:30:41 | 77.16, 166.51 | 88.33 | 1.49 | 39 |
| 32 | 10/21/2021 | 00:20:44 | -77.16, -26.18 | 91.65 | 10/21/2021 | 00:21:26 | -77.18, -26.25 | 91.64 | 2.80 | 42 |
| 33 | 10/21/2021 | 01:11:24 | 77.15, 141.12 | 88.36 | 10/21/2021 | 01:12:11 | 77.17, 141.12 | 88.36 | 1.62 | 47 |
| 34 | 10/21/2021 | 02:02:06 | -77.14, -51.61 | 91.64 | 10/21/2021 | 02:02:55 | -77.14, -51.46 | 91.66 | 3.78 | 49 |
| 35 | 10/21/2021 | 02:52:45 | 77.18, 115.87 | 88.40 | 10/21/2021 | 02:53:41 | 77.17, 115.73 | 88.39 | 3.50 | 56 |
| 36 | 10/21/2021 | 03:43:27 | -77.16, -76.86 | 91.60 | 10/21/2021 | 03:44:25 | -77.15, -76.85 | 91.63 | 1.82 | 58 |
| 37 | 10/21/2021 | 04:34:07 | 77.16, 90.44 | 88.41 | 10/21/2021 | 04:35:10 | 77.13, 90.52 | 88.37 | 3.15 | 63 |
| 38 | 10/21/2021 | 05:24:49 | -77.14,-102.29 | 91.59 | 10/21/2021 | 05:25:55 | -77.15,-102.24 | 91.60 | 1.55 | 66 |
| 39 | 10/21/2021 | 06:15:29 | 77.13, 65.01 | 88.42 | 10/21/2021 | 06:16:40 | 77.14, 65.13 | 88.40 | 2.93 | 71 |
| 40 | 10/21/2021 | 07:06:11 | -77.12,-127.71 | 91.58 | 10/21/2021 | 07:07:25 | -77.15,-127.63 | 91.57 | 4.37 | 74 |
| 41 | 10/21/2021 | 07:56:56 | 76.89, 38.71 | 88.27 | 10/21/2021 | 07:58:05 | 76.92, 40.65 | 88.16 | 48.87 | 69 |
| 42 | 10/21/2021 | 08:47:40 | -76.79,-154.35 | 91.79 | 10/21/2021 | 08:48:47 | -76.81,-151.59 | 91.97 | 70.16 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 10/11/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 10/11/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP