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: 10/18/2021
| 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 | 20:28:08 | 77.64,-146.02 | 88.28 | 10/19/2021 | 20:27:02 | 77.61,-149.54 | 88.49 | 83.98 | 66 |
| 2 | 10/19/2021 | 21:18:53 | -77.49, 20.64 | 91.82 | 10/19/2021 | 21:17:44 | -77.50, 18.27 | 91.63 | 57.22 | 69 |
| 3 | 10/19/2021 | 22:09:38 | 77.27,-172.95 | 88.04 | 10/19/2021 | 22:08:24 | 77.27,-173.37 | 88.09 | 10.37 | 74 |
| 4 | 10/19/2021 | 23:00:21 | -77.21, -5.89 | 92.00 | 10/19/2021 | 22:59:07 | -77.21, -5.78 | 91.98 | 2.66 | 74 |
| 5 | 10/19/2021 | 23:51:01 | 77.20, 161.44 | 88.02 | 10/19/2021 | 23:49:53 | 77.23, 161.44 | 88.06 | 2.59 | 68 |
| 6 | 10/20/2021 | 00:41:42 | -77.23, -31.14 | 91.95 | 10/20/2021 | 00:40:37 | -77.21, -31.15 | 91.96 | 2.38 | 65 |
| 7 | 10/20/2021 | 01:32:22 | 77.23, 136.19 | 88.06 | 10/20/2021 | 01:31:23 | 77.23, 136.07 | 88.09 | 3.05 | 59 |
| 8 | 10/20/2021 | 02:23:04 | -77.21, -56.57 | 91.94 | 10/20/2021 | 02:22:07 | -77.21, -56.53 | 91.93 | 0.94 | 57 |
| 9 | 10/20/2021 | 03:13:44 | 77.21, 110.76 | 88.07 | 10/20/2021 | 03:12:53 | 77.23, 110.69 | 88.11 | 2.90 | 51 |
| 10 | 10/20/2021 | 04:04:26 | -77.19, -81.99 | 91.93 | 10/20/2021 | 04:03:37 | -77.21, -81.90 | 91.91 | 3.26 | 49 |
| 11 | 10/20/2021 | 04:55:06 | 77.18, 85.33 | 88.08 | 10/20/2021 | 04:54:22 | 77.18, 85.51 | 88.08 | 4.27 | 44 |
| 12 | 10/20/2021 | 05:45:47 | -77.21,-107.24 | 91.89 | 10/20/2021 | 05:45:07 | -77.21,-107.27 | 91.88 | 0.80 | 40 |
| 13 | 10/20/2021 | 06:36:27 | 77.21, 60.09 | 88.12 | 10/20/2021 | 06:35:52 | 77.18, 60.13 | 88.11 | 2.90 | 35 |
| 14 | 10/20/2021 | 07:27:09 | -77.19,-132.67 | 91.88 | 10/20/2021 | 07:26:37 | -77.21,-132.65 | 91.86 | 2.16 | 32 |
| 15 | 10/20/2021 | 08:17:49 | 77.19, 34.66 | 88.13 | 10/20/2021 | 08:17:22 | 77.18, 34.76 | 88.13 | 2.58 | 27 |
| 16 | 10/20/2021 | 09:08:30 | -77.21,-157.92 | 91.84 | 10/20/2021 | 09:08:07 | -77.20,-158.02 | 91.83 | 2.51 | 23 |
| 17 | 10/20/2021 | 09:59:10 | 77.21, 9.41 | 88.18 | 10/20/2021 | 09:58:52 | 77.18, 9.39 | 88.16 | 2.91 | 18 |
| 18 | 10/20/2021 | 10:49:52 | -77.19, 176.65 | 91.83 | 10/20/2021 | 10:49:37 | -77.20, 176.61 | 91.81 | 2.15 | 15 |
| 19 | 10/20/2021 | 11:40:32 | 77.19, -16.02 | 88.19 | 10/20/2021 | 11:40:22 | 77.18, -15.99 | 88.18 | 0.99 | 10 |
| 20 | 10/20/2021 | 12:31:14 | -77.17, 151.22 | 91.82 | 10/20/2021 | 12:31:07 | -77.20, 151.23 | 91.78 | 4.19 | 7 |
| 21 | 10/20/2021 | 13:21:54 | 77.17, -41.45 | 88.20 | 10/20/2021 | 13:21:52 | 77.18, -41.36 | 88.21 | 2.89 | 2 |
| 22 | 10/20/2021 | 14:12:35 | -77.19, 125.97 | 91.78 | 10/20/2021 | 14:12:37 | -77.20, 125.86 | 91.76 | 3.24 | 2 |
| 23 | 10/20/2021 | 15:03:15 | 77.19, -66.70 | 88.24 | 10/20/2021 | 15:03:22 | 77.18, -66.73 | 88.23 | 1.12 | 7 |
| 24 | 10/20/2021 | 15:53:57 | -77.17, 100.55 | 91.77 | 10/20/2021 | 15:54:06 | -77.16, 100.67 | 91.79 | 3.20 | 9 |
| 25 | 10/20/2021 | 16:44:37 | 77.17, -92.13 | 88.25 | 10/20/2021 | 16:44:52 | 77.18, -92.11 | 88.26 | 1.71 | 15 |
| 26 | 10/20/2021 | 17:35:18 | -77.19, 75.30 | 91.73 | 10/20/2021 | 17:35:36 | -77.16, 75.30 | 91.76 | 3.40 | 18 |
| 27 | 10/20/2021 | 18:25:58 | 77.19,-117.38 | 88.29 | 10/20/2021 | 18:26:22 | 77.18,-117.48 | 88.28 | 2.73 | 24 |
| 28 | 10/20/2021 | 19:16:40 | -77.17, 49.87 | 91.72 | 10/20/2021 | 19:17:06 | -77.16, 49.93 | 91.74 | 1.75 | 26 |
| 29 | 10/20/2021 | 20:07:20 | 77.17,-142.80 | 88.30 | 10/20/2021 | 20:07:52 | 77.18,-142.85 | 88.30 | 1.85 | 32 |
| 30 | 10/20/2021 | 20:58:02 | -77.15, 24.44 | 91.71 | 10/20/2021 | 20:58:36 | -77.16, 24.55 | 91.72 | 3.03 | 34 |
| 31 | 10/20/2021 | 21:48:42 | 77.15,-168.23 | 88.31 | 10/20/2021 | 21:49:22 | 77.18,-168.23 | 88.33 | 3.78 | 40 |
| 32 | 10/20/2021 | 22:39:23 | -77.17, -0.81 | 91.67 | 10/20/2021 | 22:40:06 | -77.16, -0.82 | 91.69 | 1.33 | 43 |
| 33 | 10/20/2021 | 23:30:03 | 77.17, 166.52 | 88.35 | 10/20/2021 | 23:30:52 | 77.18, 166.40 | 88.35 | 3.14 | 49 |
| 34 | 10/21/2021 | 00:20:45 | -77.15, -26.24 | 91.66 | 10/21/2021 | 00:21:36 | -77.16, -26.19 | 91.67 | 1.48 | 51 |
| 35 | 10/21/2021 | 01:11:25 | 77.15, 141.09 | 88.36 | 10/21/2021 | 01:12:21 | 77.14, 141.21 | 88.32 | 3.26 | 56 |
| 36 | 10/21/2021 | 02:02:06 | -77.17, -51.49 | 91.62 | 10/21/2021 | 02:03:06 | -77.16, -51.57 | 91.64 | 2.53 | 60 |
| 37 | 10/21/2021 | 02:52:46 | 77.17, 115.84 | 88.40 | 10/21/2021 | 02:53:51 | 77.14, 115.84 | 88.35 | 3.81 | 65 |
| 38 | 10/21/2021 | 03:43:28 | -77.15, -76.91 | 91.61 | 10/21/2021 | 03:44:36 | -77.16, -76.94 | 91.62 | 1.07 | 68 |
| 39 | 10/21/2021 | 04:34:08 | 77.15, 90.41 | 88.41 | 10/21/2021 | 04:35:21 | 77.14, 90.46 | 88.37 | 1.95 | 73 |
| 40 | 10/21/2021 | 05:24:51 | -77.08,-102.52 | 91.63 | 10/21/2021 | 05:26:05 | -77.11,-102.13 | 91.65 | 10.17 | 74 |
| 41 | 10/21/2021 | 06:15:37 | 76.81, 63.77 | 88.20 | 10/21/2021 | 06:16:45 | 76.87, 66.17 | 88.08 | 61.33 | 68 |
| 42 | 10/21/2021 | 07:06:21 | -76.70,-129.31 | 91.87 | 10/21/2021 | 07:07:27 | -76.77,-126.08 | 92.04 | 82.80 | 66 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 10/18/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 10/18/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP