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: 6/20/2023
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 06/21/2023 13:51:07 70.27, -31.45 46.79 06/21/2023 13:51:44 70.28, -31.37 46.79 3.13 37
2 06/21/2023 14:41:48 -70.13, 136.08 133.36 06/21/2023 14:41:15 -70.11, 136.02 133.37 2.96 33
3 06/24/2023 05:17:29 -70.87, -83.96 132.56 06/24/2023 05:18:38 -70.81, -82.34 132.68 59.53 69
4 06/24/2023 06:08:03 70.22, 84.38 46.77 06/24/2023 06:08:14 70.21, 84.42 46.75 2.28 11
5 06/24/2023 06:58:44 -70.08,-108.09 133.38 06/24/2023 06:57:44 -70.10,-108.10 133.36 2.03 60
6 06/26/2023 21:34:15 -70.30, 32.71 133.08 06/26/2023 21:35:16 -70.28, 32.76 133.11 3.26 61
7 06/26/2023 22:24:59 70.19,-159.81 46.81 06/26/2023 22:24:43 70.17,-159.75 46.79 2.96 16
8 06/26/2023 23:15:31 -69.57, 8.44 133.84 06/26/2023 23:14:21 -69.62, 7.12 133.73 51.60 70
9 06/29/2023 13:51:09 -70.21, 148.60 133.04 06/29/2023 13:51:44 -70.22, 148.56 133.05 1.58 35
10 06/29/2023 14:41:53 70.10, -43.92 46.85 06/29/2023 14:41:11 70.10, -43.96 46.85 1.57 42
11 07/02/2023 05:17:28 70.55, 96.52 47.49 07/02/2023 05:18:39 70.45, 97.16 47.35 26.44 71
12 07/02/2023 06:08:05 -70.19, -95.59 132.90 07/02/2023 06:08:12 -70.18, -95.59 132.90 0.35 7
13 07/02/2023 06:58:49 70.08, 71.88 47.00 07/02/2023 06:57:39 70.06, 71.88 46.99 1.72 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/20/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230620.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/20/2023 in txt file.

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