Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/15/2017
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 09/16/2017 14:42:03 -70.11, 136.00 112.40 09/16/2017 14:41:18 -70.12, 136.02 112.38 1.19 45
2 09/16/2017 15:31:30 70.01, -56.49 67.52 09/16/2017 15:32:02 70.00, -56.48 67.51 1.60 32
3 09/19/2017 06:08:53 70.80, 85.27 69.31 09/19/2017 06:07:45 70.84, 83.32 69.38 71.35 68
4 09/19/2017 06:58:34 -70.09,-108.15 111.39 09/19/2017 06:58:14 -70.07,-108.14 111.40 1.94 20
5 09/19/2017 07:48:01 69.99, 59.35 68.53 09/19/2017 07:48:59 70.00, 59.28 68.55 3.40 58
6 09/21/2017 22:25:34 70.17,-159.80 69.72 09/21/2017 22:24:28 70.17,-159.83 69.73 1.36 66
7 09/21/2017 23:15:04 -70.06, 7.68 110.38 09/21/2017 23:15:10 -70.08, 7.62 110.36 3.13 6
8 09/22/2017 00:04:37 69.62, 174.72 69.21 09/22/2017 00:05:47 69.59, 175.66 69.16 36.69 70
9 09/24/2017 14:42:05 70.13, -43.97 70.72 09/24/2017 14:41:24 70.13, -44.00 70.72 1.19 41
10 09/24/2017 15:31:35 -70.03, 123.51 109.37 09/24/2017 15:32:06 -70.04, 123.45 109.36 2.40 31
11 09/27/2017 06:08:57 -70.86, -94.67 107.53 09/27/2017 06:07:49 -70.88, -96.75 107.48 76.19 68
12 09/27/2017 06:58:36 70.09, 71.84 71.72 09/27/2017 06:58:20 70.09, 71.83 71.72 0.78 16
13 09/27/2017 07:48:06 -69.99,-120.67 108.37 09/27/2017 07:49:02 -70.00,-120.72 108.36 2.06 56

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 9/15/2017
SNOs_Map_LANDSAT-8_NPP_20170916.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 09/15/2017 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service