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: 4/9/2020
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 04/10/2020 21:59:09 70.24,-153.56 61.81 04/10/2020 22:00:18 70.27,-153.58 61.83 3.31 69
2 04/10/2020 22:49:51 -70.16, 13.89 118.29 04/10/2020 22:49:48 -70.16, 13.90 118.30 0.56 3
3 04/10/2020 23:40:31 69.82,-178.30 61.35 04/10/2020 23:39:19 69.83,-178.92 61.38 23.82 72
4 04/13/2020 14:16:04 70.24, -37.79 60.83 04/13/2020 14:16:48 70.21, -37.78 60.80 2.86 44
5 04/13/2020 15:06:45 -70.10, 129.73 119.33 04/13/2020 15:06:18 -70.11, 129.70 119.32 1.36 27
6 04/16/2020 05:42:30 -71.20, -90.90 119.12 04/16/2020 05:43:36 -71.06, -88.29 119.33 95.29 66
7 04/16/2020 06:32:57 70.19, 78.05 59.82 04/16/2020 06:33:17 70.18, 78.05 59.81 0.93 20
8 04/16/2020 07:23:39 -70.11,-114.50 120.29 04/16/2020 07:22:47 -70.08,-114.46 120.30 2.82 52
9 04/18/2020 21:59:08 -70.31, 26.32 120.98 04/18/2020 22:00:20 -70.29, 26.42 121.02 4.75 72
10 04/18/2020 22:49:51 70.15,-166.11 58.83 04/18/2020 22:49:47 70.17,-166.10 58.86 3.08 4
11 04/18/2020 23:40:31 -69.95, 1.50 121.38 04/18/2020 23:39:19 -69.97, 1.24 121.36 10.00 72
12 04/21/2020 14:16:02 -70.27, 142.16 121.95 04/21/2020 14:16:51 -70.25, 142.23 121.98 3.42 49
13 04/21/2020 15:06:45 70.10, -50.28 57.87 04/21/2020 15:06:18 70.13, -50.30 57.90 3.03 27

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/9/2020
SNOs_Map_NOAA-20_LANDSAT-8_20200409.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/09/2020 in txt file.

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

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service