Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/23/2019
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/24/2019 21:58:56 70.21,-153.54 57.14 04/24/2019 22:00:04 70.23,-153.62 57.16 3.64 68
2 04/24/2019 22:49:38 -70.13, 13.91 122.96 04/24/2019 22:49:34 -70.12, 13.86 122.97 2.09 4
3 04/24/2019 23:40:17 69.74,-178.20 56.64 04/24/2019 23:39:05 69.79,-178.96 56.71 29.60 72
4 04/27/2019 14:15:50 70.24, -37.81 56.30 04/27/2019 14:16:31 70.21, -37.77 56.27 3.08 41
5 04/27/2019 15:06:31 -70.09, 129.73 123.86 04/27/2019 15:06:01 -70.11, 129.72 123.84 1.64 30
6 04/30/2019 05:42:13 -71.00, -90.58 123.74 04/30/2019 05:43:21 -70.91, -88.50 123.88 76.35 68
7 04/30/2019 06:32:44 70.21, 78.00 55.44 04/30/2019 06:32:59 70.19, 78.08 55.41 3.70 15
8 04/30/2019 07:23:25 -70.06,-114.45 124.73 04/30/2019 07:22:29 -70.09,-114.43 124.70 3.23 56
9 05/02/2019 21:58:53 -70.24, 26.42 125.34 05/02/2019 22:00:01 -70.23, 26.38 125.35 1.84 68
10 05/02/2019 22:49:37 70.13,-166.11 54.55 05/02/2019 22:49:28 70.11,-166.15 54.52 2.90 9
11 05/02/2019 23:40:14 -69.77, 1.75 125.84 05/02/2019 23:39:02 -69.80, 1.04 125.80 27.51 72
12 05/05/2019 14:15:47 -70.22, 142.23 126.14 05/05/2019 14:16:29 -70.21, 142.22 126.16 1.08 42
13 05/05/2019 15:06:31 70.11, -50.31 53.75 05/05/2019 15:05:56 70.08, -50.31 53.72 3.30 35

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/23/2019
SNOs_Map_NOAA-20_LANDSAT-8_20190423.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/23/2019 in txt file.

Historical Predictions of SNOs between NOAA-20 and LANDSAT-8

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service