Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/21/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 08/21/2023 21:34:29 70.79,-148.19 58.81 08/21/2023 21:35:38 70.69,-146.64 58.66 57.67 69
2 08/21/2023 22:25:00 -70.12, 20.20 121.89 08/21/2023 22:25:16 -70.13, 20.18 121.87 2.08 16
3 08/21/2023 23:15:44 70.00,-172.32 58.01 08/21/2023 23:14:44 69.98,-172.40 58.00 3.57 60
4 08/24/2023 13:51:12 70.20, -31.48 59.10 08/24/2023 13:52:18 70.22, -31.46 59.10 2.07 66
5 08/24/2023 14:41:54 -70.11, 135.98 120.99 08/24/2023 14:41:48 -70.11, 136.01 121.00 1.28 6
6 08/24/2023 15:32:32 69.68, -56.07 58.58 08/24/2023 15:31:20 69.73, -56.87 58.66 31.42 72
7 08/27/2023 06:08:05 70.15, 84.37 59.96 08/27/2023 06:08:50 70.16, 84.33 59.97 2.02 45
8 08/27/2023 06:58:47 -70.05,-108.17 120.13 08/27/2023 06:58:20 -70.06,-108.19 120.13 0.77 27
9 08/29/2023 22:24:59 70.16,-159.87 60.91 08/29/2023 22:25:21 70.13,-159.83 60.88 2.77 22
10 08/29/2023 23:15:40 -70.01, 7.68 119.24 08/29/2023 23:14:51 -70.03, 7.66 119.21 2.84 49
11 09/01/2023 13:51:10 -70.38, 148.25 117.92 09/01/2023 13:52:22 -70.30, 148.65 118.01 16.94 72
12 09/01/2023 14:41:50 70.06, -43.95 61.77 09/01/2023 14:41:51 70.08, -44.03 61.79 3.52 1
13 09/01/2023 15:32:32 -69.96, 123.52 118.32 09/01/2023 15:31:21 -69.98, 123.46 118.30 2.64 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230821.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/21/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9