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: 4/25/2020
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 04/26/2020 21:59:08 70.27,-153.64 56.32 04/26/2020 22:00:10 70.29,-153.57 56.32 3.05 62
2 04/26/2020 22:49:49 -70.14, 13.89 123.84 04/26/2020 22:49:41 -70.13, 13.84 123.85 2.43 8
3 04/26/2020 23:40:25 69.59,-177.99 55.59 04/26/2020 23:39:15 69.63,-179.21 55.66 47.51 70
4 04/29/2020 14:16:01 70.24, -37.81 55.44 04/29/2020 14:16:38 70.21, -37.79 55.41 2.79 37
5 04/29/2020 15:06:42 -70.10, 129.72 124.72 04/29/2020 15:06:08 -70.11, 129.69 124.71 1.52 34
6 05/02/2020 05:42:22 -70.89, -90.41 124.68 05/02/2020 05:43:31 -70.75, -88.77 124.87 61.80 69
7 05/02/2020 06:32:55 70.20, 78.01 54.59 05/02/2020 06:33:06 70.19, 78.05 54.58 1.94 11
8 05/02/2020 07:23:36 -70.06,-114.45 125.57 05/02/2020 07:22:36 -70.09,-114.45 125.53 3.55 60
9 05/04/2020 21:59:05 -70.28, 26.35 126.10 05/04/2020 22:00:07 -70.29, 26.42 126.10 2.89 62
10 05/04/2020 22:49:49 70.17,-166.17 53.78 05/04/2020 22:49:34 70.17,-166.10 53.78 2.44 15
11 05/04/2020 23:40:22 -69.60, 2.00 126.82 05/04/2020 23:39:11 -69.69, 0.86 126.71 45.09 71
12 05/07/2020 14:15:58 -70.19, 142.25 126.94 05/07/2020 14:16:36 -70.21, 142.19 126.92 2.96 38
13 05/07/2020 15:06:42 70.08, -50.27 52.95 05/07/2020 15:06:03 70.08, -50.34 52.95 2.74 39

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/25/2020
SNOs_Map_NOAA-20_LANDSAT-8_20200425.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/25/2020 in txt file.

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

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service