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: 7/8/2023
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 07/10/2023 05:17:42 -71.18, -84.54 131.05 07/10/2023 05:18:48 -71.09, -81.93 131.24 94.60 66
2 07/10/2023 06:08:09 70.18, 84.40 47.90 07/10/2023 06:08:30 70.17, 84.34 47.89 2.30 21
3 07/10/2023 06:58:51 -70.08,-108.15 132.20 07/10/2023 06:57:59 -70.11,-108.11 132.16 3.40 52
4 07/12/2023 21:34:21 -70.29, 32.68 131.63 07/12/2023 21:35:33 -70.27, 32.72 131.66 2.25 72
5 07/12/2023 22:25:05 70.18,-159.84 48.26 07/12/2023 22:25:00 70.17,-159.79 48.25 2.34 5
6 07/12/2023 23:15:44 -69.92, 7.86 132.00 07/12/2023 23:14:32 -69.95, 7.53 131.96 12.85 72
7 07/15/2023 13:51:16 -70.24, 148.52 131.28 07/15/2023 13:52:03 -70.25, 148.56 131.28 1.95 47
8 07/15/2023 14:42:00 70.13, -44.01 48.62 07/15/2023 14:41:30 70.14, -43.94 48.63 2.64 30
9 07/18/2023 05:17:43 71.09, 95.59 50.07 07/18/2023 05:18:50 70.96, 97.89 49.84 84.37 67
10 07/18/2023 06:08:10 -70.19, -95.65 130.88 07/18/2023 06:08:32 -70.20, -95.62 130.88 1.06 22
11 07/18/2023 06:58:54 70.09, 71.82 49.03 07/18/2023 06:57:59 70.09, 71.87 49.03 2.01 55
12 07/20/2023 21:34:23 70.26,-147.31 49.69 07/20/2023 21:35:31 70.28,-147.25 49.69 2.99 68
13 07/20/2023 22:25:05 -70.16, 20.17 130.43 07/20/2023 22:25:01 -70.18, 20.24 130.41 3.26 4
14 07/20/2023 23:15:44 69.79,-171.97 49.20 07/20/2023 23:14:32 69.84,-172.59 49.29 24.31 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/8/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230708.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/08/2023 in txt file.

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