Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-B and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/15/2021
| Index | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 03/17/2021 | 04:20:53 | 73.44, 108.09 | 74.82 | 03/17/2021 | 04:19:46 | 73.43, 105.33 | 74.97 | 87.51 | 67 |
| 2 | 03/17/2021 | 05:11:37 | -73.33, -84.82 | 105.29 | 03/17/2021 | 05:10:28 | -73.34, -87.15 | 105.15 | 74.34 | 69 |
| 3 | 03/17/2021 | 06:02:21 | 73.11, 82.03 | 74.50 | 03/17/2021 | 06:01:10 | 73.13, 80.61 | 74.61 | 45.86 | 71 |
| 4 | 03/17/2021 | 06:53:04 | -73.06,-110.76 | 105.57 | 03/17/2021 | 06:51:52 | -73.04,-111.88 | 105.51 | 36.33 | 72 |
| 5 | 03/17/2021 | 07:43:48 | 72.84, 56.10 | 74.23 | 03/17/2021 | 07:42:34 | 72.83, 55.87 | 74.26 | 7.63 | 74 |
| 6 | 03/17/2021 | 08:34:31 | -72.79,-136.68 | 105.84 | 03/17/2021 | 08:33:17 | -72.80,-136.73 | 105.80 | 2.13 | 74 |
| 7 | 03/17/2021 | 09:25:11 | 72.77, 30.61 | 74.14 | 03/17/2021 | 09:24:03 | 72.79, 30.59 | 74.18 | 2.78 | 68 |
| 8 | 03/17/2021 | 10:15:53 | -72.76,-162.07 | 105.88 | 03/17/2021 | 10:14:46 | -72.75,-162.01 | 105.88 | 2.11 | 67 |
| 9 | 03/17/2021 | 11:06:33 | 72.74, 5.22 | 74.09 | 03/17/2021 | 11:05:32 | 72.74, 5.31 | 74.10 | 2.83 | 61 |
| 10 | 03/17/2021 | 11:57:15 | -72.74, 172.54 | 105.93 | 03/17/2021 | 11:56:16 | -72.76, 172.60 | 105.90 | 2.76 | 59 |
| 11 | 03/17/2021 | 12:47:54 | 72.77, -20.06 | 74.09 | 03/17/2021 | 12:47:02 | 72.75, -20.08 | 74.08 | 2.27 | 52 |
| 12 | 03/17/2021 | 13:38:36 | -72.77, 147.26 | 105.94 | 03/17/2021 | 13:37:46 | -72.76, 147.21 | 105.92 | 1.69 | 50 |
| 13 | 03/17/2021 | 14:29:16 | 72.75, -45.44 | 74.04 | 03/17/2021 | 14:28:32 | 72.76, -45.46 | 74.06 | 1.21 | 44 |
| 14 | 03/17/2021 | 15:19:58 | -72.74, 121.88 | 105.98 | 03/17/2021 | 15:19:16 | -72.77, 121.83 | 105.95 | 3.29 | 42 |
| 15 | 03/17/2021 | 16:10:38 | 72.72, -70.83 | 73.99 | 03/17/2021 | 16:10:01 | 72.71, -70.75 | 73.98 | 3.16 | 37 |
| 16 | 03/17/2021 | 17:01:20 | -72.72, 96.49 | 106.03 | 03/17/2021 | 17:00:45 | -72.73, 96.54 | 106.02 | 1.86 | 35 |
| 17 | 03/17/2021 | 17:52:00 | 72.70, -96.22 | 73.94 | 03/17/2021 | 17:51:31 | 72.72, -96.13 | 73.96 | 3.35 | 29 |
| 18 | 03/17/2021 | 18:42:41 | -72.75, 71.21 | 106.04 | 03/17/2021 | 18:42:15 | -72.73, 71.16 | 106.04 | 2.61 | 26 |
| 19 | 03/17/2021 | 19:33:21 | 72.73,-121.50 | 73.94 | 03/17/2021 | 19:33:01 | 72.72,-121.52 | 73.94 | 0.91 | 20 |
| 20 | 03/17/2021 | 20:24:03 | -72.73, 45.82 | 106.08 | 03/17/2021 | 20:23:45 | -72.74, 45.77 | 106.07 | 2.02 | 18 |
| 21 | 03/17/2021 | 21:14:43 | 72.71,-146.89 | 73.89 | 03/17/2021 | 21:14:31 | 72.73,-146.91 | 73.92 | 2.64 | 12 |
| 22 | 03/17/2021 | 22:05:25 | -72.70, 20.43 | 106.13 | 03/17/2021 | 22:05:14 | -72.69, 20.49 | 106.14 | 2.20 | 11 |
| 23 | 03/17/2021 | 22:56:05 | 72.68,-172.27 | 73.84 | 03/17/2021 | 22:56:00 | 72.69,-172.19 | 73.84 | 2.81 | 5 |
| 24 | 03/17/2021 | 23:46:47 | -72.68, -4.95 | 106.18 | 03/17/2021 | 23:46:44 | -72.70, -4.90 | 106.16 | 2.64 | 3 |
| 25 | 03/18/2021 | 00:37:26 | 72.71, 162.44 | 73.84 | 03/18/2021 | 00:37:30 | 72.69, 162.42 | 73.82 | 2.41 | 4 |
| 26 | 03/18/2021 | 01:28:08 | -72.71, -30.24 | 106.18 | 03/18/2021 | 01:28:14 | -72.71, -30.29 | 106.19 | 1.73 | 6 |
| 27 | 03/18/2021 | 02:18:48 | 72.69, 137.06 | 73.79 | 03/18/2021 | 02:19:00 | 72.70, 137.04 | 73.80 | 1.11 | 12 |
| 28 | 03/18/2021 | 03:09:30 | -72.69, -55.62 | 106.23 | 03/18/2021 | 03:09:44 | -72.71, -55.67 | 106.21 | 3.16 | 14 |
| 29 | 03/18/2021 | 04:00:10 | 72.67, 111.67 | 73.74 | 03/18/2021 | 04:00:29 | 72.65, 111.76 | 73.72 | 3.19 | 19 |
| 30 | 03/18/2021 | 04:50:52 | -72.66, -81.01 | 106.28 | 03/18/2021 | 04:51:13 | -72.67, -80.95 | 106.29 | 1.80 | 21 |
| 31 | 03/18/2021 | 05:41:32 | 72.64, 86.29 | 73.69 | 03/18/2021 | 05:41:59 | 72.66, 86.37 | 73.70 | 3.25 | 27 |
| 32 | 03/18/2021 | 06:32:13 | -72.69,-106.29 | 106.28 | 03/18/2021 | 06:32:43 | -72.67,-106.34 | 106.31 | 2.74 | 30 |
| 33 | 03/18/2021 | 07:22:53 | 72.67, 61.00 | 73.69 | 03/18/2021 | 07:23:29 | 72.66, 60.98 | 73.68 | 1.03 | 36 |
| 34 | 03/18/2021 | 08:13:35 | -72.67,-131.68 | 106.33 | 03/18/2021 | 08:14:13 | -72.68,-131.73 | 106.33 | 1.96 | 38 |
| 35 | 03/18/2021 | 09:04:15 | 72.65, 35.62 | 73.64 | 03/18/2021 | 09:04:59 | 72.67, 35.60 | 73.65 | 2.53 | 44 |
| 36 | 03/18/2021 | 09:54:57 | -72.65,-157.06 | 106.38 | 03/18/2021 | 09:55:42 | -72.63,-157.01 | 106.41 | 2.25 | 45 |
| 37 | 03/18/2021 | 10:45:37 | 72.63, 10.23 | 73.59 | 03/18/2021 | 10:46:28 | 72.63, 10.31 | 73.58 | 2.75 | 51 |
| 38 | 03/18/2021 | 11:36:19 | -72.62, 177.55 | 106.43 | 03/18/2021 | 11:37:12 | -72.64, 177.60 | 106.43 | 2.50 | 53 |
| 39 | 03/18/2021 | 12:26:58 | 72.65, -15.05 | 73.59 | 03/18/2021 | 12:27:58 | 72.63, -15.07 | 73.56 | 2.55 | 60 |
| 40 | 03/18/2021 | 13:17:40 | -72.65, 152.27 | 106.43 | 03/18/2021 | 13:18:42 | -72.65, 152.22 | 106.45 | 1.82 | 62 |
| 41 | 03/18/2021 | 14:08:20 | 72.63, -40.44 | 73.54 | 03/18/2021 | 14:09:28 | 72.64, -40.46 | 73.53 | 1.06 | 68 |
| 42 | 03/18/2021 | 14:59:02 | -72.63, 126.88 | 106.48 | 03/18/2021 | 15:00:12 | -72.65, 126.83 | 106.47 | 3.07 | 70 |
| 43 | 03/18/2021 | 15:49:43 | 72.56, -65.93 | 73.45 | 03/18/2021 | 15:50:57 | 72.59, -65.74 | 73.46 | 7.34 | 74 |
| 44 | 03/18/2021 | 16:40:26 | -72.50, 101.29 | 106.62 | 03/18/2021 | 16:41:39 | -72.51, 101.75 | 106.66 | 15.45 | 73 |
| 45 | 03/18/2021 | 17:31:10 | 72.23, -91.92 | 73.13 | 03/18/2021 | 17:32:20 | 72.29, -90.52 | 73.10 | 48.07 | 70 |
| 46 | 03/18/2021 | 18:21:53 | -72.17, 75.30 | 106.93 | 03/18/2021 | 18:23:02 | -72.21, 76.97 | 107.01 | 56.76 | 69 |
| 47 | 03/18/2021 | 19:12:37 | 71.95,-117.79 | 72.86 | 03/18/2021 | 19:13:44 | 71.99,-115.31 | 72.75 | 85.59 | 67 |
| 48 | 03/18/2021 | 20:03:20 | -71.90, 49.44 | 107.20 | 03/18/2021 | 20:04:26 | -71.91, 52.17 | 107.37 | 94.45 | 66 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 3/15/2021
Download SNOs between METOP-B and NPP since TLE EPOCH: 03/15/2021 in txt file.
Historial Predications of SNOs between METOP-B and NPP