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: 2/19/2020
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 02/21/2020 14:41:46 70.62, -43.31 81.23 02/21/2020 14:40:36 70.68, -44.79 81.37 54.97 70
2 02/21/2020 15:31:24 -70.07, 123.52 99.30 02/21/2020 15:31:08 -70.07, 123.49 99.30 1.08 16
3 02/21/2020 16:20:51 69.96, -68.98 80.59 02/21/2020 16:21:52 69.95, -69.02 80.56 2.42 61
4 02/24/2020 06:58:22 70.15, 71.87 79.81 02/24/2020 06:57:21 70.15, 71.81 79.82 2.17 61
5 02/24/2020 07:47:52 -70.04,-120.65 100.31 02/24/2020 07:48:02 -70.01,-120.65 100.34 3.37 10
6 02/24/2020 08:37:28 69.43, 46.17 79.11 02/24/2020 08:38:37 69.41, 47.54 79.02 53.60 69
7 02/26/2020 23:14:51 70.11,-172.31 78.77 02/26/2020 23:14:16 70.09,-172.33 78.77 1.91 35
8 02/27/2020 00:04:21 -70.00, -4.82 101.35 02/27/2020 00:04:58 -70.00, -4.88 101.35 2.10 37
9 02/29/2020 14:41:46 -70.56, 136.59 101.81 02/29/2020 14:40:36 -70.62, 135.29 101.68 48.51 70
10 02/29/2020 15:31:20 70.06, -56.49 77.72 02/29/2020 15:31:11 70.04, -56.48 77.69 2.97 9
11 02/29/2020 16:20:50 -69.96, 111.00 102.40 02/29/2020 16:21:53 -69.94, 110.98 102.42 2.06 63
12 03/03/2020 06:58:22 -70.13,-108.15 103.24 03/03/2020 06:57:23 -70.15,-108.20 103.21 2.32 59
13 03/03/2020 07:47:49 70.02, 59.33 76.65 03/03/2020 07:48:07 70.04, 59.28 76.67 2.70 18
14 03/03/2020 08:37:29 -69.37,-133.93 103.98 03/03/2020 08:38:38 -69.36,-132.40 104.06 59.79 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/19/2020
SNOs_Map_LANDSAT-8_NPP_20200219.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/19/2020 in txt file.

Historical Predictions of SNOs between LANDSAT-8 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service