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: 7/24/2023
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 07/26/2023 05:17:43 -71.06, -84.39 128.38 07/26/2023 05:18:50 -70.92, -82.15 128.62 82.65 67
2 07/26/2023 06:08:12 70.17, 84.36 50.68 07/26/2023 06:08:29 70.17, 84.37 50.68 0.28 17
3 07/26/2023 06:58:54 -70.07,-108.17 129.41 07/26/2023 06:57:59 -70.05,-108.16 129.43 2.53 55
4 07/28/2023 21:34:23 -70.26, 32.68 128.63 07/28/2023 21:35:30 -70.23, 32.71 128.67 3.35 67
5 07/28/2023 22:25:06 70.10,-159.76 51.22 07/28/2023 22:24:57 70.13,-159.80 51.24 3.21 9
6 07/28/2023 23:15:43 -69.74, 8.10 129.16 07/28/2023 23:14:31 -69.79, 7.37 129.07 28.87 72
7 07/31/2023 13:51:17 -70.19, 148.55 128.06 07/31/2023 13:51:58 -70.17, 148.51 128.09 3.38 41
8 07/31/2023 14:42:01 70.09, -43.98 51.85 07/31/2023 14:41:24 70.11, -43.92 51.88 3.49 37
9 08/03/2023 05:17:37 70.71, 96.18 53.17 08/03/2023 05:18:47 70.62, 97.45 53.02 47.64 70
10 08/03/2023 06:08:10 -70.13, -95.59 127.44 08/03/2023 06:08:24 -70.13, -95.64 127.44 2.19 14
11 08/03/2023 06:58:54 70.03, 71.87 52.47 08/03/2023 06:57:51 70.02, 71.84 52.46 1.78 63
12 08/05/2023 21:34:23 70.24,-147.30 53.38 08/05/2023 21:35:20 70.23,-147.23 53.36 2.71 57
13 08/05/2023 22:25:05 -70.13, 20.18 126.73 08/05/2023 22:24:50 -70.12, 20.25 126.74 2.47 15
14 08/05/2023 23:15:36 69.34,-171.35 52.46 08/05/2023 23:14:28 69.40,-173.10 52.59 69.13 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/24/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230725.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/24/2023 in txt file.

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