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: 7/18/2021
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 07/18/2021 21:59:18 71.05,-155.06 50.25 07/18/2021 22:00:23 70.95,-152.42 50.04 96.16 65
2 07/18/2021 22:49:43 -70.07, 13.84 130.79 07/18/2021 22:50:07 -70.07, 13.91 130.79 2.68 24
3 07/18/2021 23:40:26 69.89,-178.60 49.04 07/18/2021 23:39:35 69.91,-178.67 49.07 3.56 51
4 07/21/2021 14:15:57 70.20, -37.91 49.85 07/21/2021 14:17:08 70.17, -37.71 49.81 8.09 71
5 07/21/2021 15:06:37 -70.00, 129.71 130.35 07/21/2021 15:06:39 -70.01, 129.69 130.35 1.11 2
6 07/21/2021 15:57:20 69.83, -62.73 49.48 07/21/2021 15:56:07 69.85, -62.89 49.51 6.29 73
7 07/24/2021 06:32:50 70.08, 78.04 50.28 07/24/2021 06:33:40 70.10, 78.07 50.29 2.59 50
8 07/24/2021 07:23:32 -69.99,-114.50 129.82 07/24/2021 07:23:10 -70.00,-114.45 129.81 2.53 22
9 07/24/2021 08:13:59 68.97, 54.27 49.13 07/24/2021 08:12:53 69.00, 51.86 49.27 96.14 66
10 07/26/2021 22:49:44 70.02,-166.10 50.80 07/26/2021 22:50:12 70.03,-166.15 50.81 2.51 28
11 07/26/2021 23:40:25 -69.92, 1.36 129.30 07/26/2021 23:39:41 -69.93, 1.34 129.28 1.39 44
12 07/29/2021 14:16:00 -70.43, 141.72 128.15 07/29/2021 14:17:11 -70.35, 142.54 128.28 32.06 71
13 07/29/2021 15:06:38 70.01, -50.32 51.41 07/29/2021 15:06:42 70.02, -50.30 51.42 1.31 4
14 07/29/2021 15:57:20 -69.91, 117.14 128.69 07/29/2021 15:56:12 -69.92, 117.20 128.67 2.47 68

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/18/2021
SNOs_Map_NOAA-20_LANDSAT-8_20210718.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 07/18/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8