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: 5/15/2021
| 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 | 05/19/2021 | 21:36:09 | 76.99,-161.61 | 57.57 | 05/19/2021 | 21:35:00 | 76.97,-163.92 | 57.75 | 57.85 | 69 |
| 2 | 05/19/2021 | 22:26:54 | -76.85, 5.17 | 122.54 | 05/19/2021 | 22:25:42 | -76.86, 3.84 | 122.40 | 33.79 | 72 |
| 3 | 05/19/2021 | 23:17:37 | 76.70, 171.95 | 57.36 | 05/19/2021 | 23:16:23 | 76.67, 171.93 | 57.35 | 3.86 | 74 |
| 4 | 05/20/2021 | 00:08:19 | -76.69, -20.74 | 122.66 | 05/20/2021 | 00:07:08 | -76.69, -20.85 | 122.63 | 2.75 | 71 |
| 5 | 05/20/2021 | 00:58:59 | 76.68, 146.54 | 57.33 | 05/20/2021 | 00:57:53 | 76.67, 146.55 | 57.34 | 1.48 | 66 |
| 6 | 05/20/2021 | 01:49:41 | -76.68, -46.16 | 122.68 | 05/20/2021 | 01:48:38 | -76.69, -46.23 | 122.64 | 2.58 | 63 |
| 7 | 05/20/2021 | 02:40:21 | 76.66, 121.13 | 57.31 | 05/20/2021 | 02:39:23 | 76.67, 121.16 | 57.33 | 1.31 | 58 |
| 8 | 05/20/2021 | 03:31:03 | -76.66, -71.57 | 122.71 | 05/20/2021 | 03:30:07 | -76.65, -71.44 | 122.71 | 3.32 | 56 |
| 9 | 05/20/2021 | 04:21:42 | 76.69, 95.88 | 57.31 | 05/20/2021 | 04:20:53 | 76.67, 95.78 | 57.32 | 3.14 | 49 |
| 10 | 05/20/2021 | 05:12:24 | -76.68, -96.81 | 122.71 | 05/20/2021 | 05:11:37 | -76.65, -96.82 | 122.72 | 3.59 | 47 |
| 11 | 05/20/2021 | 06:03:04 | 76.67, 70.47 | 57.28 | 05/20/2021 | 06:02:23 | 76.67, 70.40 | 57.31 | 1.91 | 41 |
| 12 | 05/20/2021 | 06:53:46 | -76.66,-122.22 | 122.73 | 05/20/2021 | 06:53:07 | -76.65,-122.21 | 122.73 | 1.32 | 39 |
| 13 | 05/20/2021 | 07:44:26 | 76.65, 45.06 | 57.25 | 05/20/2021 | 07:43:53 | 76.68, 45.01 | 57.29 | 3.12 | 33 |
| 14 | 05/20/2021 | 08:35:08 | -76.64,-147.64 | 122.76 | 05/20/2021 | 08:34:37 | -76.65,-147.59 | 122.74 | 1.61 | 31 |
| 15 | 05/20/2021 | 09:25:48 | 76.63, 19.64 | 57.23 | 05/20/2021 | 09:25:22 | 76.63, 19.80 | 57.23 | 4.09 | 26 |
| 16 | 05/20/2021 | 10:16:29 | -76.67,-172.88 | 122.76 | 05/20/2021 | 10:16:07 | -76.66,-172.97 | 122.76 | 2.84 | 22 |
| 17 | 05/20/2021 | 11:07:09 | 76.66, -5.60 | 57.23 | 05/20/2021 | 11:06:52 | 76.64, -5.58 | 57.21 | 2.42 | 17 |
| 18 | 05/20/2021 | 11:57:51 | -76.65, 161.71 | 122.78 | 05/20/2021 | 11:57:37 | -76.66, 161.65 | 122.77 | 1.75 | 14 |
| 19 | 05/20/2021 | 12:48:31 | 76.64, -31.01 | 57.20 | 05/20/2021 | 12:48:22 | 76.64, -30.96 | 57.20 | 1.30 | 9 |
| 20 | 05/20/2021 | 13:39:13 | -76.63, 136.30 | 122.81 | 05/20/2021 | 13:39:07 | -76.66, 136.26 | 122.78 | 3.19 | 6 |
| 21 | 05/20/2021 | 14:29:52 | 76.62, -56.42 | 57.18 | 05/20/2021 | 14:29:51 | 76.64, -56.34 | 57.19 | 3.15 | 1 |
| 22 | 05/20/2021 | 15:20:34 | -76.61, 110.89 | 122.84 | 05/20/2021 | 15:20:35 | -76.62, 111.05 | 122.85 | 4.29 | 1 |
| 23 | 05/20/2021 | 16:11:13 | 76.64, -81.67 | 57.18 | 05/20/2021 | 16:11:21 | 76.64, -81.73 | 57.18 | 1.51 | 8 |
| 24 | 05/20/2021 | 17:01:55 | -76.64, 85.64 | 122.83 | 05/20/2021 | 17:02:05 | -76.62, 85.67 | 122.86 | 2.35 | 10 |
| 25 | 05/20/2021 | 17:52:35 | 76.63,-107.08 | 57.15 | 05/20/2021 | 17:52:51 | 76.64,-107.11 | 57.17 | 2.18 | 16 |
| 26 | 05/20/2021 | 18:43:17 | -76.62, 60.23 | 122.86 | 05/20/2021 | 18:43:35 | -76.62, 60.29 | 122.87 | 1.50 | 18 |
| 27 | 05/20/2021 | 19:33:56 | 76.65,-132.33 | 57.16 | 05/20/2021 | 19:34:21 | 76.65,-132.49 | 57.16 | 4.30 | 25 |
| 28 | 05/20/2021 | 20:24:38 | -76.65, 34.98 | 122.86 | 05/20/2021 | 20:25:05 | -76.62, 34.91 | 122.88 | 3.28 | 27 |
| 29 | 05/20/2021 | 21:15:18 | 76.63,-157.74 | 57.13 | 05/20/2021 | 21:15:50 | 76.60,-157.70 | 57.09 | 3.35 | 32 |
| 30 | 05/20/2021 | 22:06:00 | -76.63, 9.57 | 122.88 | 05/20/2021 | 22:06:35 | -76.63, 9.52 | 122.89 | 1.30 | 35 |
| 31 | 05/20/2021 | 22:56:40 | 76.61, 176.85 | 57.10 | 05/20/2021 | 22:57:20 | 76.61, 176.91 | 57.08 | 1.84 | 40 |
| 32 | 05/20/2021 | 23:47:22 | -76.61, -15.84 | 122.91 | 05/20/2021 | 23:48:05 | -76.63, -15.86 | 122.91 | 2.17 | 43 |
| 33 | 05/21/2021 | 00:38:02 | 76.59, 151.44 | 57.08 | 05/21/2021 | 00:38:50 | 76.61, 151.53 | 57.07 | 2.81 | 48 |
| 34 | 05/21/2021 | 01:28:43 | -76.64, -41.08 | 122.91 | 05/21/2021 | 01:29:35 | -76.63, -41.24 | 122.92 | 4.09 | 52 |
| 35 | 05/21/2021 | 02:19:23 | 76.62, 126.19 | 57.08 | 05/21/2021 | 02:20:20 | 76.61, 126.15 | 57.05 | 1.65 | 57 |
| 36 | 05/21/2021 | 03:10:05 | -76.62, -66.50 | 122.93 | 05/21/2021 | 03:11:04 | -76.59, -66.45 | 122.98 | 3.38 | 59 |
| 37 | 05/21/2021 | 04:00:45 | 76.60, 100.78 | 57.05 | 05/21/2021 | 04:01:50 | 76.61, 100.77 | 57.04 | 1.26 | 65 |
| 38 | 05/21/2021 | 04:51:27 | -76.60, -91.91 | 122.96 | 05/21/2021 | 04:52:34 | -76.59, -91.84 | 123.00 | 1.99 | 67 |
| 39 | 05/21/2021 | 05:42:07 | 76.58, 75.37 | 57.03 | 05/21/2021 | 05:43:20 | 76.61, 75.38 | 57.03 | 3.58 | 73 |
| 40 | 05/21/2021 | 06:32:50 | -76.53,-117.48 | 123.02 | 05/21/2021 | 06:34:04 | -76.59,-117.22 | 123.01 | 9.42 | 74 |
| 41 | 05/21/2021 | 07:23:35 | 76.29, 48.99 | 56.82 | 05/21/2021 | 07:24:44 | 76.35, 51.00 | 56.69 | 53.32 | 69 |
| 42 | 05/21/2021 | 08:14:19 | -76.19,-144.00 | 123.25 | 05/21/2021 | 08:15:26 | -76.23,-141.28 | 123.46 | 72.24 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 5/15/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 05/15/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP