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: 9/16/2023
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 09/17/2023 13:51:12 -71.07, 147.14 111.21 09/17/2023 13:52:18 -70.99, 149.67 111.33 92.06 66
2 09/17/2023 14:41:40 70.11, -44.01 67.82 09/17/2023 14:41:59 70.13, -43.97 67.84 2.40 19
3 09/17/2023 15:32:22 -70.03, 123.43 112.25 09/17/2023 15:31:29 -70.02, 123.50 112.27 3.04 53
4 09/20/2023 06:07:49 -70.24, -95.74 111.03 09/20/2023 06:09:01 -70.22, -95.60 111.06 5.61 72
5 09/20/2023 06:58:32 70.07, 71.83 68.81 09/20/2023 06:58:29 70.06, 71.81 68.80 1.30 3
6 09/20/2023 07:49:12 -69.88,-120.56 111.37 09/20/2023 07:48:00 -69.90,-120.79 111.35 8.63 72
7 09/22/2023 22:24:39 -70.15, 20.18 110.08 09/22/2023 22:25:30 -70.13, 20.15 110.11 3.23 51
8 09/22/2023 23:15:23 70.03,-172.33 69.81 09/22/2023 23:14:57 70.02,-172.37 69.80 2.45 26
9 09/23/2023 00:05:48 -69.05, -3.59 111.17 09/23/2023 00:04:42 -69.08, -5.99 111.11 95.52 66
10 09/25/2023 14:41:31 -70.12, 136.00 109.07 09/25/2023 14:41:58 -70.11, 136.01 109.09 1.63 27
11 09/25/2023 15:32:15 70.01, -56.51 70.83 09/25/2023 15:31:25 69.99, -56.51 70.81 1.46 50
12 09/28/2023 06:07:43 70.29, 84.20 72.13 09/28/2023 06:08:54 70.27, 84.50 72.10 11.62 71
13 09/28/2023 06:58:22 -70.05,-108.10 108.11 09/28/2023 06:58:26 -70.06,-108.17 108.10 2.89 4
14 09/28/2023 07:49:06 69.93, 59.38 71.79 09/28/2023 07:47:53 69.94, 59.31 71.80 2.71 73

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/16/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230916.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/16/2023 in txt file.

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