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: 7/20/2019
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 07/21/2019 22:49:01 70.12,-166.02 49.74 07/21/2019 22:50:06 70.14,-165.99 49.74 2.22 65
2 07/21/2019 23:39:43 -70.04, 1.42 130.34 07/21/2019 23:39:36 -70.02, 1.48 130.36 2.90 7
3 07/22/2019 00:30:20 69.54, 169.46 49.15 07/22/2019 00:29:09 69.59, 168.52 49.24 36.77 71
4 07/24/2019 15:05:54 70.09, -50.20 50.25 07/24/2019 15:06:36 70.11, -50.15 50.26 2.96 42
5 07/24/2019 15:56:35 -69.95, 117.33 129.89 07/24/2019 15:56:07 -69.94, 117.25 129.89 3.02 28
6 07/27/2019 06:32:18 -71.01,-103.21 128.20 07/27/2019 06:33:25 -70.90,-100.74 128.41 90.58 67
7 07/27/2019 07:22:46 70.05, 65.63 50.80 07/27/2019 07:23:06 70.02, 65.61 50.77 3.39 20
8 07/27/2019 08:13:27 -69.92,-126.85 129.34 07/27/2019 08:12:36 -69.92,-126.90 129.33 2.16 51
9 07/29/2019 22:48:56 -70.19, 13.88 128.44 07/29/2019 22:50:08 -70.16, 14.04 128.49 7.01 72
10 07/29/2019 23:39:39 70.02,-178.55 51.39 07/29/2019 23:39:36 70.00,-178.55 51.36 3.12 3
11 07/30/2019 00:30:19 -69.83, -10.94 128.81 07/30/2019 00:29:07 -69.84, -11.13 128.78 7.32 72
12 08/01/2019 15:05:48 -70.11, 129.79 127.88 08/01/2019 15:06:39 -70.08, 129.81 127.91 3.07 51
13 08/01/2019 15:56:32 70.00, -62.73 52.02 08/01/2019 15:56:06 69.97, -62.70 51.99 3.20 26

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/20/2019
SNOs_Map_NOAA-20_LANDSAT-8_20190720.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/20/2019 in txt file.

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

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service