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: 9/14/2023
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 09/14/2023 22:24:48 70.16,-159.86 66.85 09/14/2023 22:25:29 70.17,-159.80 66.84 2.25 41
2 09/14/2023 23:15:29 -70.03, 7.66 113.28 09/14/2023 23:14:59 -70.05, 7.67 113.26 2.38 30
3 09/17/2023 13:51:12 -71.07, 147.14 111.21 09/17/2023 13:52:18 -70.99, 149.67 111.33 91.96 66
4 09/17/2023 14:41:40 70.12, -44.01 67.83 09/17/2023 14:41:59 70.12, -43.99 67.83 1.21 19
5 09/17/2023 15:32:21 -69.98, 123.51 112.30 09/17/2023 15:31:29 -70.01, 123.49 112.27 3.27 52
6 09/20/2023 06:07:49 -70.25, -95.75 111.02 09/20/2023 06:09:01 -70.20, -95.63 111.07 6.81 72
7 09/20/2023 06:58:32 70.08, 71.82 68.82 09/20/2023 06:58:28 70.10, 71.86 68.84 2.52 4
8 09/20/2023 07:49:12 -69.89,-120.57 111.36 09/20/2023 07:47:59 -69.93,-120.73 111.31 7.78 73
9 09/22/2023 22:24:39 -70.17, 20.16 110.07 09/22/2023 22:25:29 -70.15, 20.18 110.09 2.19 50
10 09/22/2023 23:15:23 70.05,-172.36 69.83 09/22/2023 23:14:56 70.04,-172.33 69.82 1.93 27
11 09/23/2023 00:05:48 -69.06, -3.61 111.16 09/23/2023 00:04:41 -69.11, -5.96 111.09 93.43 67
12 09/25/2023 13:51:06 71.13, -32.94 71.95 09/25/2023 13:52:12 71.03, -30.23 71.82 98.22 66
13 09/25/2023 14:41:30 -70.09, 136.05 109.10 09/25/2023 14:41:57 -70.11, 136.02 109.09 2.42 27
14 09/25/2023 15:32:14 69.98, -56.47 70.80 09/25/2023 15:31:24 70.00, -56.50 70.82 2.12 50

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230914.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/14/2023 in txt file.

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