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: 12/13/2011
| Index | Date | Time (METOP-A) | METOP-A Lat,Lon | NPP Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 12/15/2011 | 22:32:44 | 75.96,-157.96 | 75.96,-174.64 | 448.61 | 13 |
| 2 | 12/15/2011 | 23:23:30 | -75.74, 8.62 | -75.74, -6.60 | 415.69 | 20 |
| 3 | 12/16/2011 | 00:14:19 | 75.33, 174.67 | 75.36, 161.91 | 358.47 | 31 |
| 4 | 12/16/2011 | 01:05:03 | -75.20, -18.40 | -75.19, -30.25 | 336.23 | 35 |
| 5 | 12/16/2011 | 01:55:50 | 74.88, 148.01 | 74.89, 137.91 | 292.48 | 42 |
| 6 | 12/16/2011 | 02:46:33 | -74.79, -44.90 | -74.77, -54.42 | 277.44 | 44 |
| 7 | 12/16/2011 | 03:37:19 | 74.52, 121.67 | 74.52, 113.57 | 240.34 | 49 |
| 8 | 12/16/2011 | 04:28:03 | -74.38, -71.35 | -74.39, -78.77 | 222.02 | 52 |
| 9 | 12/16/2011 | 05:18:48 | 74.15, 95.38 | 74.13, 89.19 | 188.17 | 56 |
| 10 | 12/16/2011 | 06:09:31 | -74.07, -97.50 | -74.06,-103.30 | 177.00 | 57 |
| 11 | 12/16/2011 | 07:00:16 | 73.83, 69.25 | 73.80, 64.64 | 142.99 | 61 |
| 12 | 12/16/2011 | 07:50:59 | -73.70,-123.74 | -73.72,-127.86 | 128.47 | 63 |
| 13 | 12/16/2011 | 08:41:43 | 73.51, 43.15 | 73.51, 39.95 | 101.16 | 65 |
| 14 | 12/16/2011 | 09:32:27 | -73.38,-149.82 | -73.43,-152.56 | 87.04 | 67 |
| 15 | 12/16/2011 | 10:23:11 | 73.19, 17.08 | 73.22, 15.23 | 59.45 | 69 |
| 16 | 12/16/2011 | 11:13:54 | -73.11,-175.77 | -73.09,-177.17 | 45.26 | 71 |
| 17 | 12/16/2011 | 12:04:38 | 72.91, -8.86 | 72.87, -9.40 | 18.09 | 73 |
| 18 | 12/16/2011 | 12:55:21 | -72.83, 158.29 | -72.80, 158.08 | 8.02 | 74 |
| 19 | 12/16/2011 | 13:46:03 | 72.74, -34.57 | 72.73, -34.48 | 3.27 | 71 |
| 20 | 12/16/2011 | 14:36:44 | -72.76, 132.80 | -72.76, 132.79 | 0.39 | 68 |
| 21 | 12/16/2011 | 15:27:24 | 72.76, -59.85 | 72.74, -59.87 | 2.69 | 62 |
| 22 | 12/16/2011 | 16:18:06 | -72.73, 107.41 | -72.72, 107.50 | 3.50 | 61 |
| 23 | 12/16/2011 | 17:08:46 | 72.74, -85.24 | 72.75, -85.27 | 1.38 | 54 |
| 24 | 12/16/2011 | 17:59:28 | -72.71, 82.03 | -72.73, 82.10 | 2.99 | 53 |
| 25 | 12/16/2011 | 18:50:08 | 72.72,-110.63 | 72.71,-110.56 | 2.51 | 47 |
| 26 | 12/16/2011 | 19:40:49 | -72.74, 56.75 | -72.74, 56.71 | 1.31 | 44 |
| 27 | 12/16/2011 | 20:31:29 | 72.75,-135.91 | 72.72,-135.95 | 3.23 | 38 |
| 28 | 12/16/2011 | 21:22:11 | -72.72, 31.36 | -72.70, 31.42 | 3.05 | 37 |
| 29 | 12/16/2011 | 22:12:51 | 72.72,-161.30 | 72.73,-161.35 | 1.93 | 30 |
| 30 | 12/16/2011 | 23:03:33 | -72.69, 5.97 | -72.71, 6.02 | 2.10 | 29 |
| 31 | 12/16/2011 | 23:54:13 | 72.70, 173.32 | 72.69, 173.36 | 1.86 | 23 |
| 32 | 12/17/2011 | 00:44:54 | -72.72, -19.31 | -72.72, -19.37 | 2.24 | 20 |
| 33 | 12/17/2011 | 01:35:35 | 72.68, 147.93 | 72.70, 147.97 | 2.81 | 15 |
| 34 | 12/17/2011 | 02:26:16 | -72.70, -44.70 | -72.68, -44.66 | 2.83 | 13 |
| 35 | 12/17/2011 | 03:16:56 | 72.71, 122.65 | 72.71, 122.57 | 2.68 | 6 |
| 36 | 12/17/2011 | 04:07:38 | -72.68, -70.08 | -72.69, -70.06 | 1.29 | 5 |
| 37 | 12/17/2011 | 04:58:18 | 72.68, 97.26 | 72.67, 97.28 | 1.51 | 1 |
| 38 | 12/17/2011 | 05:48:59 | -72.71, -95.36 | -72.70, -95.46 | 3.17 | 4 |
| 39 | 12/17/2011 | 06:39:40 | 72.66, 71.88 | 72.68, 71.88 | 2.33 | 9 |
| 40 | 12/17/2011 | 07:30:21 | -72.68,-120.75 | -72.66,-120.75 | 2.90 | 11 |
| 41 | 12/17/2011 | 08:21:02 | 72.64, 46.49 | 72.64, 46.59 | 3.50 | 16 |
| 42 | 12/17/2011 | 09:11:43 | -72.66,-146.14 | -72.67,-146.14 | 0.80 | 19 |
| 43 | 12/17/2011 | 10:02:23 | 72.67, 21.21 | 72.65, 21.20 | 1.65 | 25 |
| 44 | 12/17/2011 | 10:53:05 | -72.64,-171.52 | -72.63,-171.43 | 3.25 | 26 |
| 45 | 12/17/2011 | 11:43:45 | 72.64, -4.18 | 72.66, -4.20 | 2.16 | 33 |
| 46 | 12/17/2011 | 12:34:26 | -72.66, 163.19 | -72.64, 163.17 | 3.24 | 35 |
| 47 | 12/17/2011 | 13:25:07 | 72.62, -29.57 | 72.62, -29.49 | 2.60 | 40 |
| 48 | 12/17/2011 | 14:15:48 | -72.64, 137.81 | -72.65, 137.78 | 1.17 | 43 |
| 49 | 12/17/2011 | 15:06:28 | 72.65, -54.85 | 72.63, -54.88 | 2.20 | 49 |
| 50 | 12/17/2011 | 15:57:10 | -72.62, 112.42 | -72.61, 112.49 | 2.56 | 50 |
| 51 | 12/17/2011 | 16:47:50 | 72.62, -80.23 | 72.64, -80.28 | 2.38 | 57 |
| 52 | 12/17/2011 | 17:38:32 | -72.60, 87.04 | -72.62, 87.09 | 2.90 | 58 |
| 53 | 12/17/2011 | 18:29:12 | 72.60,-105.62 | 72.60,-105.57 | 1.70 | 64 |
| 54 | 12/17/2011 | 19:19:53 | -72.62, 61.75 | -72.63, 61.69 | 1.97 | 67 |
| 55 | 12/17/2011 | 20:10:33 | 72.63,-130.90 | 72.61,-130.97 | 2.94 | 73 |
| 56 | 12/17/2011 | 21:01:16 | -72.55, 36.26 | -72.59, 36.40 | 6.14 | 73 |
| 57 | 12/17/2011 | 21:52:00 | 72.35,-156.81 | 72.37,-155.85 | 32.48 | 71 |
| 58 | 12/17/2011 | 22:42:43 | -72.27, 10.37 | -72.34, 11.52 | 39.81 | 71 |
| 59 | 12/17/2011 | 23:33:28 | 72.02, 177.21 | 72.07, 179.36 | 74.14 | 67 |
| 60 | 12/18/2011 | 00:24:11 | -71.94, -15.61 | -71.99, -13.18 | 84.05 | 66 |
| 61 | 12/18/2011 | 01:14:56 | 71.68, 151.24 | 71.77, 154.55 | 115.82 | 63 |
| 62 | 12/18/2011 | 02:05:38 | -71.66, -41.48 | -71.69, -38.00 | 121.78 | 63 |
| 63 | 12/18/2011 | 02:56:24 | 71.35, 125.30 | 71.41, 129.82 | 160.64 | 58 |
| 64 | 12/18/2011 | 03:47:06 | -71.33, -67.42 | -71.34, -62.74 | 166.57 | 58 |
| 65 | 12/18/2011 | 04:37:52 | 71.01, 99.37 | 71.06, 105.06 | 205.58 | 53 |
| 66 | 12/18/2011 | 05:28:35 | -70.94, -93.43 | -70.99, -87.50 | 214.97 | 52 |
| 67 | 12/18/2011 | 06:19:21 | 70.62, 73.38 | 70.65, 80.37 | 257.60 | 46 |
| 68 | 12/18/2011 | 07:10:04 | -70.55,-119.41 | -70.58,-112.20 | 266.77 | 45 |
| 69 | 12/18/2011 | 08:00:51 | 70.17, 47.33 | 70.24, 55.65 | 313.25 | 38 |
| 70 | 12/18/2011 | 08:51:34 | -70.10,-145.46 | -70.12,-136.84 | 325.61 | 36 |
| 71 | 12/18/2011 | 09:42:23 | 69.62, 21.15 | 69.66, 31.14 | 386.36 | 25 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 12/13/2011
Download SNOs between METOP-A and NPP since TLE EPOCH: 12/13/2011 in txt file.
Historical Predictions of SNOs between METOP-A and NPP
NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service