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: 10/12/2021
| 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 | 77.63,-171.38 | 88.30 | 10/19/2021 | 22:08:24 | 77.61,-174.87 | 88.51 | 83.09 | 66 |
| 2 | 10/19/2021 | 23:00:15 | -77.49, -4.70 | 91.79 | 10/19/2021 | 22:59:06 | -77.50, -7.05 | 91.62 | 56.56 | 69 |
| 3 | 10/19/2021 | 23:51:00 | 77.26, 161.69 | 88.06 | 10/19/2021 | 23:49:46 | 77.27, 161.28 | 88.12 | 10.02 | 74 |
| 4 | 10/20/2021 | 00:41:43 | -77.20, -31.23 | 91.97 | 10/20/2021 | 00:40:29 | -77.21, -31.11 | 91.96 | 2.85 | 74 |
| 5 | 10/20/2021 | 01:32:23 | 77.20, 136.08 | 88.04 | 10/20/2021 | 01:31:15 | 77.23, 136.08 | 88.10 | 4.11 | 68 |
| 6 | 10/20/2021 | 02:23:04 | -77.23, -56.48 | 91.93 | 10/20/2021 | 02:21:59 | -77.21, -56.51 | 91.93 | 1.96 | 65 |
| 7 | 10/20/2021 | 03:13:44 | 77.22, 110.83 | 88.08 | 10/20/2021 | 03:12:44 | 77.20, 110.87 | 88.07 | 2.95 | 60 |
| 8 | 10/20/2021 | 04:04:26 | -77.21, -81.91 | 91.92 | 10/20/2021 | 04:03:29 | -77.21, -81.90 | 91.90 | 1.00 | 57 |
| 9 | 10/20/2021 | 04:55:06 | 77.20, 85.40 | 88.09 | 10/20/2021 | 04:54:14 | 77.20, 85.48 | 88.10 | 1.94 | 52 |
| 10 | 10/20/2021 | 05:45:47 | -77.23,-107.15 | 91.88 | 10/20/2021 | 05:44:59 | -77.22,-107.29 | 91.87 | 3.47 | 48 |
| 11 | 10/20/2021 | 06:36:27 | 77.22, 60.15 | 88.13 | 10/20/2021 | 06:35:44 | 77.20, 60.09 | 88.13 | 2.57 | 43 |
| 12 | 10/20/2021 | 07:27:09 | -77.21,-132.58 | 91.87 | 10/20/2021 | 07:26:29 | -77.22,-132.68 | 91.84 | 2.93 | 40 |
| 13 | 10/20/2021 | 08:17:49 | 77.20, 34.72 | 88.14 | 10/20/2021 | 08:17:14 | 77.21, 34.70 | 88.16 | 1.06 | 35 |
| 14 | 10/20/2021 | 09:08:31 | -77.19,-158.01 | 91.86 | 10/20/2021 | 09:07:58 | -77.18,-157.89 | 91.86 | 3.08 | 33 |
| 15 | 10/20/2021 | 09:59:11 | 77.18, 9.29 | 88.15 | 10/20/2021 | 09:58:44 | 77.21, 9.30 | 88.19 | 3.66 | 27 |
| 16 | 10/20/2021 | 10:49:52 | -77.21, 176.74 | 91.82 | 10/20/2021 | 10:49:28 | -77.19, 176.72 | 91.83 | 2.38 | 24 |
| 17 | 10/20/2021 | 11:40:32 | 77.20, -15.95 | 88.20 | 10/20/2021 | 11:40:13 | 77.17, -15.90 | 88.17 | 3.47 | 19 |
| 18 | 10/20/2021 | 12:31:13 | -77.19, 151.31 | 91.81 | 10/20/2021 | 12:30:57 | -77.19, 151.33 | 91.80 | 0.66 | 16 |
| 19 | 10/20/2021 | 13:21:53 | 77.18, -41.38 | 88.21 | 10/20/2021 | 13:21:42 | 77.18, -41.29 | 88.20 | 2.21 | 11 |
| 20 | 10/20/2021 | 14:12:34 | -77.21, 126.06 | 91.77 | 10/20/2021 | 14:12:27 | -77.20, 125.94 | 91.77 | 3.46 | 7 |
| 21 | 10/20/2021 | 15:03:14 | 77.20, -66.63 | 88.25 | 10/20/2021 | 15:03:12 | 77.18, -66.69 | 88.23 | 2.82 | 2 |
| 22 | 10/20/2021 | 15:53:56 | -77.19, 100.63 | 91.76 | 10/20/2021 | 15:53:57 | -77.20, 100.55 | 91.74 | 2.47 | 1 |
| 23 | 10/20/2021 | 16:44:36 | 77.18, -92.06 | 88.26 | 10/20/2021 | 16:44:42 | 77.19, -92.08 | 88.26 | 0.57 | 6 |
| 24 | 10/20/2021 | 17:35:18 | -77.17, 75.21 | 91.75 | 10/20/2021 | 17:35:26 | -77.16, 75.34 | 91.76 | 3.38 | 8 |
| 25 | 10/20/2021 | 18:25:58 | 77.16,-117.49 | 88.27 | 10/20/2021 | 18:26:12 | 77.19,-117.47 | 88.29 | 3.23 | 14 |
| 26 | 10/20/2021 | 19:16:39 | -77.19, 49.96 | 91.71 | 10/20/2021 | 19:16:56 | -77.16, 49.95 | 91.73 | 2.84 | 17 |
| 27 | 10/20/2021 | 20:07:19 | 77.18,-142.74 | 88.31 | 10/20/2021 | 20:07:42 | 77.19,-142.86 | 88.32 | 3.26 | 23 |
| 28 | 10/20/2021 | 20:58:01 | -77.17, 24.53 | 91.70 | 10/20/2021 | 20:58:26 | -77.17, 24.56 | 91.70 | 0.67 | 25 |
| 29 | 10/20/2021 | 21:48:41 | 77.16,-168.17 | 88.32 | 10/20/2021 | 21:49:11 | 77.15,-168.07 | 88.30 | 2.55 | 30 |
| 30 | 10/20/2021 | 22:39:23 | -77.15, -0.90 | 91.69 | 10/20/2021 | 22:39:56 | -77.17, -0.83 | 91.67 | 3.22 | 33 |
| 31 | 10/20/2021 | 23:30:02 | 77.18, 166.59 | 88.36 | 10/20/2021 | 23:30:41 | 77.16, 166.54 | 88.33 | 3.14 | 39 |
| 32 | 10/21/2021 | 00:20:44 | -77.17, -26.15 | 91.64 | 10/21/2021 | 00:21:26 | -77.18, -26.23 | 91.64 | 2.07 | 42 |
| 33 | 10/21/2021 | 01:11:24 | 77.16, 141.16 | 88.37 | 10/21/2021 | 01:12:11 | 77.16, 141.15 | 88.36 | 0.24 | 47 |
| 34 | 10/21/2021 | 02:02:06 | -77.15, -51.58 | 91.63 | 10/21/2021 | 02:02:56 | -77.18, -51.62 | 91.61 | 3.70 | 50 |
| 35 | 10/21/2021 | 02:52:46 | 77.14, 115.73 | 88.38 | 10/21/2021 | 02:53:41 | 77.17, 115.76 | 88.39 | 2.84 | 55 |
| 36 | 10/21/2021 | 03:43:27 | -77.17, -76.82 | 91.59 | 10/21/2021 | 03:44:25 | -77.14, -76.83 | 91.64 | 3.32 | 58 |
| 37 | 10/21/2021 | 04:34:07 | 77.16, 90.48 | 88.42 | 10/21/2021 | 04:35:11 | 77.17, 90.36 | 88.42 | 2.93 | 64 |
| 38 | 10/21/2021 | 05:24:49 | -77.15,-102.25 | 91.58 | 10/21/2021 | 05:25:55 | -77.15,-102.22 | 91.61 | 1.00 | 66 |
| 39 | 10/21/2021 | 06:15:29 | 77.14, 65.05 | 88.43 | 10/21/2021 | 06:16:40 | 77.13, 65.16 | 88.39 | 2.91 | 71 |
| 40 | 10/21/2021 | 07:06:11 | -77.13,-127.68 | 91.57 | 10/21/2021 | 07:07:25 | -77.15,-127.61 | 91.58 | 2.93 | 74 |
| 41 | 10/21/2021 | 07:56:56 | 76.90, 38.75 | 88.28 | 10/21/2021 | 07:58:06 | 76.96, 40.49 | 88.21 | 44.41 | 70 |
| 42 | 10/21/2021 | 08:47:40 | -76.79,-154.32 | 91.78 | 10/21/2021 | 08:48:48 | -76.85,-151.74 | 91.92 | 65.56 | 68 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 10/12/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 10/12/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP