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: 10/9/2021
| 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 | 88.31 | 10/19/2021 | 22:08:24 | 77.60,-174.83 | 88.50 | 82.45 | 66 |
| 2 | 10/19/2021 | 23:00:15 | -77.49, -4.68 | 91.79 | 10/19/2021 | 22:59:06 | -77.49, -7.00 | 91.63 | 55.88 | 69 |
| 3 | 10/19/2021 | 23:51:00 | 77.26, 161.69 | 88.06 | 10/19/2021 | 23:49:46 | 77.27, 161.32 | 88.11 | 9.27 | 74 |
| 4 | 10/20/2021 | 00:41:43 | -77.21, -31.21 | 91.97 | 10/20/2021 | 00:40:30 | -77.24, -31.25 | 91.92 | 3.62 | 73 |
| 5 | 10/20/2021 | 01:32:23 | 77.20, 136.08 | 88.04 | 10/20/2021 | 01:31:15 | 77.23, 136.11 | 88.09 | 3.18 | 68 |
| 6 | 10/20/2021 | 02:23:04 | -77.23, -56.46 | 91.93 | 10/20/2021 | 02:21:59 | -77.20, -56.46 | 91.94 | 3.39 | 65 |
| 7 | 10/20/2021 | 03:13:44 | 77.22, 110.84 | 88.08 | 10/20/2021 | 03:12:45 | 77.23, 110.72 | 88.12 | 3.01 | 59 |
| 8 | 10/20/2021 | 04:04:26 | -77.21, -81.89 | 91.92 | 10/20/2021 | 04:03:29 | -77.20, -81.85 | 91.91 | 1.10 | 57 |
| 9 | 10/20/2021 | 04:55:06 | 77.20, 85.41 | 88.09 | 10/20/2021 | 04:54:14 | 77.19, 85.52 | 88.09 | 2.83 | 52 |
| 10 | 10/20/2021 | 05:45:48 | -77.19,-107.32 | 91.91 | 10/20/2021 | 05:44:59 | -77.21,-107.24 | 91.88 | 2.89 | 49 |
| 11 | 10/20/2021 | 06:36:27 | 77.22, 60.16 | 88.14 | 10/20/2021 | 06:35:44 | 77.20, 60.12 | 88.12 | 3.16 | 43 |
| 12 | 10/20/2021 | 07:27:08 | -77.21,-132.57 | 91.87 | 10/20/2021 | 07:26:28 | -77.21,-132.63 | 91.85 | 1.67 | 40 |
| 13 | 10/20/2021 | 08:17:48 | 77.20, 34.73 | 88.15 | 10/20/2021 | 08:17:13 | 77.20, 34.73 | 88.15 | 0.23 | 35 |
| 14 | 10/20/2021 | 09:08:30 | -77.19,-157.99 | 91.86 | 10/20/2021 | 09:07:58 | -77.22,-158.02 | 91.82 | 3.04 | 32 |
| 15 | 10/20/2021 | 09:59:10 | 77.18, 9.30 | 88.15 | 10/20/2021 | 09:58:43 | 77.20, 9.34 | 88.18 | 2.79 | 27 |
| 16 | 10/20/2021 | 10:49:51 | -77.21, 176.76 | 91.82 | 10/20/2021 | 10:49:27 | -77.18, 176.77 | 91.84 | 3.93 | 24 |
| 17 | 10/20/2021 | 11:40:31 | 77.20, -15.95 | 88.20 | 10/20/2021 | 11:40:13 | 77.21, -16.05 | 88.21 | 2.59 | 18 |
| 18 | 10/20/2021 | 12:31:13 | -77.19, 151.33 | 91.81 | 10/20/2021 | 12:30:57 | -77.18, 151.38 | 91.81 | 1.64 | 16 |
| 19 | 10/20/2021 | 13:21:53 | 77.18, -41.38 | 88.21 | 10/20/2021 | 13:21:42 | 77.17, -41.26 | 88.19 | 3.29 | 11 |
| 20 | 10/20/2021 | 14:12:35 | -77.17, 125.90 | 91.80 | 10/20/2021 | 14:12:27 | -77.18, 125.99 | 91.78 | 2.73 | 8 |
| 21 | 10/20/2021 | 15:03:14 | 77.20, -66.63 | 88.25 | 10/20/2021 | 15:03:12 | 77.17, -66.65 | 88.22 | 3.58 | 2 |
| 22 | 10/20/2021 | 15:53:56 | -77.19, 100.65 | 91.75 | 10/20/2021 | 15:53:57 | -77.19, 100.60 | 91.75 | 1.43 | 1 |
| 23 | 10/20/2021 | 16:44:36 | 77.18, -92.05 | 88.26 | 10/20/2021 | 16:44:42 | 77.18, -92.04 | 88.25 | 0.79 | 6 |
| 24 | 10/20/2021 | 17:35:18 | -77.17, 75.22 | 91.74 | 10/20/2021 | 17:35:27 | -77.19, 75.20 | 91.72 | 2.47 | 9 |
| 25 | 10/20/2021 | 18:25:58 | 77.16,-117.48 | 88.27 | 10/20/2021 | 18:26:12 | 77.18,-117.43 | 88.28 | 2.48 | 14 |
| 26 | 10/20/2021 | 19:16:39 | -77.19, 49.97 | 91.70 | 10/20/2021 | 19:16:57 | -77.20, 49.81 | 91.69 | 3.98 | 18 |
| 27 | 10/20/2021 | 20:07:19 | 77.18,-142.73 | 88.31 | 10/20/2021 | 20:07:42 | 77.18,-142.82 | 88.31 | 2.25 | 23 |
| 28 | 10/20/2021 | 20:58:01 | -77.17, 24.55 | 91.69 | 10/20/2021 | 20:58:26 | -77.16, 24.61 | 91.72 | 2.20 | 25 |
| 29 | 10/20/2021 | 21:48:41 | 77.16,-168.16 | 88.32 | 10/20/2021 | 21:49:12 | 77.19,-168.21 | 88.34 | 3.17 | 31 |
| 30 | 10/20/2021 | 22:39:23 | -77.15, -0.88 | 91.68 | 10/20/2021 | 22:39:56 | -77.16, -0.78 | 91.69 | 2.68 | 33 |
| 31 | 10/20/2021 | 23:30:02 | 77.19, 166.59 | 88.36 | 10/20/2021 | 23:30:41 | 77.15, 166.58 | 88.31 | 4.03 | 39 |
| 32 | 10/21/2021 | 00:20:44 | -77.17, -26.13 | 91.64 | 10/21/2021 | 00:21:26 | -77.17, -26.18 | 91.66 | 1.42 | 42 |
| 33 | 10/21/2021 | 01:11:24 | 77.16, 141.16 | 88.37 | 10/21/2021 | 01:12:11 | 77.15, 141.19 | 88.34 | 1.34 | 47 |
| 34 | 10/21/2021 | 02:02:06 | -77.15, -51.56 | 91.63 | 10/21/2021 | 02:02:56 | -77.17, -51.57 | 91.63 | 1.94 | 50 |
| 35 | 10/21/2021 | 02:52:46 | 77.14, 115.73 | 88.38 | 10/21/2021 | 02:53:41 | 77.16, 115.80 | 88.37 | 2.26 | 55 |
| 36 | 10/21/2021 | 03:43:27 | -77.17, -76.81 | 91.59 | 10/21/2021 | 03:44:26 | -77.17, -76.96 | 91.60 | 3.70 | 59 |
| 37 | 10/21/2021 | 04:34:07 | 77.17, 90.49 | 88.42 | 10/21/2021 | 04:35:11 | 77.16, 90.41 | 88.40 | 2.02 | 64 |
| 38 | 10/21/2021 | 05:24:49 | -77.15,-102.24 | 91.58 | 10/21/2021 | 05:25:55 | -77.13,-102.17 | 91.62 | 2.75 | 66 |
| 39 | 10/21/2021 | 06:15:29 | 77.14, 65.06 | 88.43 | 10/21/2021 | 06:16:41 | 77.17, 65.01 | 88.43 | 2.63 | 72 |
| 40 | 10/21/2021 | 07:06:11 | -77.13,-127.66 | 91.57 | 10/21/2021 | 07:07:25 | -77.14,-127.56 | 91.59 | 2.75 | 74 |
| 41 | 10/21/2021 | 07:56:56 | 76.90, 38.75 | 88.28 | 10/21/2021 | 07:58:06 | 76.95, 40.53 | 88.20 | 45.14 | 70 |
| 42 | 10/21/2021 | 08:47:41 | -76.75,-154.47 | 91.81 | 10/21/2021 | 08:48:48 | -76.84,-151.69 | 91.93 | 71.20 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 10/9/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 10/09/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP