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: 8/20/2023
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 70.78,-148.17 58.80 08/21/2023 21:35:38 70.69,-146.63 58.66 57.37 69
2 08/21/2023 22:25:01 -70.16, 20.13 121.84 08/21/2023 22:25:16 -70.14, 20.19 121.86 3.21 15
3 08/21/2023 23:15:44 70.00,-172.31 58.01 08/21/2023 23:14:44 69.99,-172.39 58.00 2.93 60
4 08/24/2023 13:51:12 70.20, -31.47 59.09 08/24/2023 13:52:18 70.22, -31.46 59.11 2.87 66
5 08/24/2023 14:41:54 -70.10, 135.99 121.00 08/24/2023 14:41:48 -70.11, 136.02 120.99 1.50 6
6 08/24/2023 15:32:32 69.67, -56.06 58.57 08/24/2023 15:31:20 69.73, -56.87 58.66 31.78 72
7 08/27/2023 06:08:05 70.15, 84.38 59.96 08/27/2023 06:08:50 70.16, 84.33 59.97 2.40 45
8 08/27/2023 06:58:47 -70.05,-108.16 120.13 08/27/2023 06:58:20 -70.05,-108.19 120.13 1.23 27
9 08/29/2023 22:24:58 70.15,-159.86 60.91 08/29/2023 22:25:20 70.12,-159.84 60.87 3.34 22
10 08/29/2023 23:15:39 -70.00, 7.68 119.24 08/29/2023 23:14:50 -70.02, 7.64 119.22 2.55 49
11 09/01/2023 13:51:10 -70.37, 148.25 117.92 09/01/2023 13:52:22 -70.28, 148.62 118.03 17.19 72
12 09/01/2023 14:41:51 70.11, -44.03 61.82 09/01/2023 14:41:50 70.11, -43.97 61.82 2.13 1
13 09/01/2023 15:32:33 -70.01, 123.44 118.27 09/01/2023 15:31:20 -70.01, 123.52 118.27 2.96 73

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/20/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230820.jpg

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

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