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: 4/21/2021
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 04/21/2021 21:58:59 -71.08, 25.06 121.12 04/21/2021 22:00:06 -70.96, 27.44 121.31 87.36 67
2 04/21/2021 22:49:27 70.12,-166.08 57.87 04/21/2021 22:49:46 70.14,-166.12 57.89 2.91 19
3 04/21/2021 23:40:09 -70.04, 1.36 122.23 04/21/2021 23:39:16 -70.03, 1.35 122.24 1.18 53
4 04/24/2021 14:15:39 -70.23, 142.22 122.91 04/24/2021 14:16:47 -70.23, 142.23 122.91 0.73 68
5 04/24/2021 15:06:23 70.10, -50.29 56.96 04/24/2021 15:06:14 70.12, -50.27 56.97 2.09 9
6 04/24/2021 15:57:00 -69.75, 117.55 123.42 04/24/2021 15:55:48 -69.79, 116.90 123.36 25.54 72
7 04/27/2021 06:32:35 -70.21,-101.99 123.79 04/27/2021 06:33:15 -70.20,-101.92 123.80 2.57 40
8 04/27/2021 07:23:19 70.09, 65.50 56.07 04/27/2021 07:22:42 70.09, 65.56 56.08 2.50 37
9 04/29/2021 21:58:57 70.70,-154.33 55.90 04/29/2021 22:00:07 70.61,-153.09 55.77 46.97 70
10 04/29/2021 22:49:30 -70.14, 13.88 124.71 04/29/2021 22:49:44 -70.12, 13.83 124.72 2.58 14
11 04/29/2021 23:40:14 70.02,-178.63 55.17 04/29/2021 23:39:11 70.00,-178.68 55.16 2.45 63
12 05/02/2021 14:15:43 70.21, -37.80 54.58 05/02/2021 14:16:40 70.24, -37.75 54.60 3.25 57
13 05/02/2021 15:06:25 -70.12, 129.67 125.53 05/02/2021 15:06:10 -70.14, 129.74 125.51 3.37 15
14 05/02/2021 15:56:57 69.37, -61.92 53.69 05/02/2021 15:55:48 69.41, -63.61 53.78 66.44 69

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/21/2021
SNOs_Map_NOAA-20_LANDSAT-8_20210421.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/21/2021 in txt file.

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