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: 9/24/2017
| 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 | 09/28/2017 | 04:09:20 | -73.70, -69.22 | 104.26 | 09/28/2017 | 04:08:13 | -73.72, -72.25 | 104.14 | 94.66 | 67 |
| 2 | 09/28/2017 | 05:00:04 | 73.50, 97.65 | 75.57 | 09/28/2017 | 04:58:55 | 73.52, 95.53 | 75.66 | 66.83 | 69 |
| 3 | 09/28/2017 | 05:50:47 | -73.43, -95.18 | 104.49 | 09/28/2017 | 05:49:37 | -73.42, -96.94 | 104.43 | 55.80 | 70 |
| 4 | 09/28/2017 | 06:41:31 | 73.22, 71.69 | 75.34 | 09/28/2017 | 06:40:19 | 73.22, 70.83 | 75.37 | 27.79 | 72 |
| 5 | 09/28/2017 | 07:32:15 | -73.10,-121.24 | 104.77 | 09/28/2017 | 07:31:01 | -73.13,-121.65 | 104.72 | 13.68 | 74 |
| 6 | 09/28/2017 | 08:22:57 | 73.00, 45.87 | 75.15 | 09/28/2017 | 08:21:45 | 73.02, 45.89 | 75.18 | 2.63 | 72 |
| 7 | 09/28/2017 | 09:13:38 | -73.03,-146.74 | 104.81 | 09/28/2017 | 09:12:29 | -73.03,-146.82 | 104.80 | 2.58 | 69 |
| 8 | 09/28/2017 | 10:04:18 | 73.02, 20.58 | 75.20 | 09/28/2017 | 10:03:15 | 73.02, 20.51 | 75.21 | 2.46 | 63 |
| 9 | 09/28/2017 | 10:55:00 | -73.01,-172.13 | 104.81 | 09/28/2017 | 10:53:58 | -72.98,-172.09 | 104.82 | 2.84 | 62 |
| 10 | 09/28/2017 | 11:45:40 | 73.00, -4.81 | 75.21 | 09/28/2017 | 11:44:44 | 72.98, -4.77 | 75.19 | 2.94 | 56 |
| 11 | 09/28/2017 | 12:36:22 | -72.98, 162.48 | 104.80 | 09/28/2017 | 12:35:28 | -72.99, 162.53 | 104.79 | 1.70 | 54 |
| 12 | 09/28/2017 | 13:27:02 | 72.97, -30.20 | 75.21 | 09/28/2017 | 13:26:14 | 72.98, -30.15 | 75.22 | 1.82 | 48 |
| 13 | 09/28/2017 | 14:17:43 | -73.01, 137.19 | 104.75 | 09/28/2017 | 14:16:58 | -72.99, 137.15 | 104.76 | 2.56 | 45 |
| 14 | 09/28/2017 | 15:08:23 | 73.00, -55.49 | 75.26 | 09/28/2017 | 15:07:44 | 72.98, -55.53 | 75.25 | 2.50 | 39 |
| 15 | 09/28/2017 | 15:59:05 | -72.98, 111.80 | 104.74 | 09/28/2017 | 15:58:28 | -72.99, 111.77 | 104.73 | 1.54 | 37 |
| 16 | 09/28/2017 | 16:49:45 | 72.98, -80.88 | 75.27 | 09/28/2017 | 16:49:14 | 72.99, -80.91 | 75.28 | 1.44 | 31 |
| 17 | 09/28/2017 | 17:40:27 | -72.96, 86.41 | 104.74 | 09/28/2017 | 17:39:57 | -72.94, 86.49 | 104.75 | 3.09 | 30 |
| 18 | 09/28/2017 | 18:31:07 | 72.95,-106.27 | 75.27 | 09/28/2017 | 18:30:43 | 72.94,-106.18 | 75.26 | 3.22 | 24 |
| 19 | 09/28/2017 | 19:21:49 | -72.93, 61.02 | 104.74 | 09/28/2017 | 19:21:27 | -72.95, 61.11 | 104.72 | 3.36 | 22 |
| 20 | 09/28/2017 | 20:12:29 | 72.93,-131.66 | 75.28 | 09/28/2017 | 20:12:13 | 72.94,-131.56 | 75.29 | 3.50 | 16 |
| 21 | 09/28/2017 | 21:03:10 | -72.96, 35.74 | 104.68 | 09/28/2017 | 21:02:57 | -72.95, 35.73 | 104.69 | 1.08 | 13 |
| 22 | 09/28/2017 | 21:53:50 | 72.95,-156.95 | 75.33 | 09/28/2017 | 21:53:43 | 72.94,-156.95 | 75.32 | 1.06 | 7 |
| 23 | 09/28/2017 | 22:44:32 | -72.94, 10.34 | 104.68 | 09/28/2017 | 22:44:27 | -72.95, 10.35 | 104.66 | 1.99 | 5 |
| 24 | 09/28/2017 | 23:35:12 | 72.93, 177.66 | 75.33 | 09/28/2017 | 23:35:13 | 72.95, 177.67 | 75.35 | 2.04 | 1 |
| 25 | 09/29/2017 | 00:25:53 | -72.96, -14.94 | 104.63 | 09/29/2017 | 00:25:57 | -72.96, -15.03 | 104.63 | 3.00 | 4 |
| 26 | 09/29/2017 | 01:16:33 | 72.96, 152.38 | 75.38 | 09/29/2017 | 01:16:43 | 72.95, 152.29 | 75.38 | 2.86 | 10 |
| 27 | 09/29/2017 | 02:07:15 | -72.94, -40.33 | 104.62 | 09/29/2017 | 02:07:26 | -72.91, -40.30 | 104.65 | 3.26 | 11 |
| 28 | 09/29/2017 | 02:57:55 | 72.93, 126.99 | 75.39 | 09/29/2017 | 02:58:12 | 72.90, 127.02 | 75.36 | 3.27 | 17 |
| 29 | 09/29/2017 | 03:48:37 | -72.91, -65.72 | 104.62 | 09/29/2017 | 03:48:56 | -72.91, -65.69 | 104.62 | 1.23 | 19 |
| 30 | 09/29/2017 | 04:39:17 | 72.91, 101.60 | 75.39 | 09/29/2017 | 04:39:42 | 72.91, 101.64 | 75.39 | 1.38 | 25 |
| 31 | 09/29/2017 | 05:29:58 | -72.94, -91.01 | 104.57 | 09/29/2017 | 05:30:26 | -72.92, -91.07 | 104.59 | 3.27 | 28 |
| 32 | 09/29/2017 | 06:20:38 | 72.93, 76.31 | 75.44 | 09/29/2017 | 06:21:12 | 72.91, 76.26 | 75.42 | 3.14 | 34 |
| 33 | 09/29/2017 | 07:11:20 | -72.92,-116.40 | 104.56 | 09/29/2017 | 07:11:56 | -72.92,-116.45 | 104.56 | 1.64 | 36 |
| 34 | 09/29/2017 | 08:02:00 | 72.91, 50.92 | 75.45 | 09/29/2017 | 08:02:42 | 72.91, 50.88 | 75.45 | 1.51 | 42 |
| 35 | 09/29/2017 | 08:52:42 | -72.89,-141.79 | 104.56 | 09/29/2017 | 08:53:25 | -72.87,-141.72 | 104.59 | 3.09 | 43 |
| 36 | 09/29/2017 | 09:43:22 | 72.88, 25.53 | 75.45 | 09/29/2017 | 09:44:11 | 72.86, 25.60 | 75.42 | 3.17 | 49 |
| 37 | 09/29/2017 | 10:34:04 | -72.87,-167.18 | 104.56 | 09/29/2017 | 10:34:55 | -72.87,-167.10 | 104.56 | 2.73 | 51 |
| 38 | 09/29/2017 | 11:24:44 | 72.86, 0.14 | 75.46 | 09/29/2017 | 11:25:41 | 72.87, 0.22 | 75.46 | 2.91 | 57 |
| 39 | 09/29/2017 | 12:15:25 | -72.89, 167.53 | 104.50 | 09/29/2017 | 12:16:25 | -72.88, 167.52 | 104.53 | 1.74 | 60 |
| 40 | 09/29/2017 | 13:06:05 | 72.88, -25.15 | 75.51 | 09/29/2017 | 13:07:11 | 72.87, -25.16 | 75.49 | 1.61 | 66 |
| 41 | 09/29/2017 | 13:56:47 | -72.87, 142.14 | 104.50 | 09/29/2017 | 13:57:55 | -72.88, 142.14 | 104.50 | 1.43 | 68 |
| 42 | 09/29/2017 | 14:47:27 | 72.86, -50.54 | 75.51 | 09/29/2017 | 14:48:41 | 72.87, -50.54 | 75.52 | 1.52 | 74 |
| 43 | 09/29/2017 | 15:38:10 | -72.79, 116.65 | 104.54 | 09/29/2017 | 15:39:24 | -72.83, 116.86 | 104.52 | 8.34 | 74 |
| 44 | 09/29/2017 | 16:28:55 | 72.53, -76.55 | 75.23 | 09/29/2017 | 16:30:05 | 72.57, -75.29 | 75.22 | 42.38 | 70 |
| 45 | 09/29/2017 | 17:19:38 | -72.46, 90.64 | 104.82 | 09/29/2017 | 17:20:48 | -72.53, 92.11 | 104.81 | 49.66 | 70 |
| 46 | 09/29/2017 | 18:10:22 | 72.25,-102.45 | 75.00 | 09/29/2017 | 18:11:29 | 72.27,-100.06 | 74.93 | 80.89 | 67 |
| 47 | 09/29/2017 | 19:01:05 | -72.18, 64.75 | 105.05 | 09/29/2017 | 19:02:12 | -72.23, 67.33 | 105.10 | 87.80 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 9/24/2017
Download SNOs between METOP-A and NPP since TLE EPOCH: 09/24/2017 in txt file.
Historical Predictions of SNOs between METOP-A and NPP
NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service