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: 7/21/2023
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 07/23/2023 13:51:18 70.22, -31.48 50.17 07/23/2023 13:52:01 70.21, -31.46 50.15 1.88 43
2 07/23/2023 14:41:59 -70.08, 136.06 129.98 07/23/2023 14:41:31 -70.09, 136.00 129.96 2.96 28
3 07/26/2023 05:17:43 -71.04, -84.35 128.41 07/26/2023 05:18:50 -70.94, -82.11 128.60 81.57 67
4 07/26/2023 06:08:13 70.20, 84.31 50.72 07/26/2023 06:08:29 70.19, 84.40 50.69 3.60 16
5 07/26/2023 06:58:54 -70.05,-108.13 129.44 07/26/2023 06:57:59 -70.07,-108.13 129.41 2.57 55
6 07/28/2023 21:34:22 -70.24, 32.72 128.65 07/28/2023 21:35:29 -70.24, 32.72 128.66 0.55 67
7 07/28/2023 22:25:06 70.14,-159.82 51.25 07/28/2023 22:24:56 70.13,-159.78 51.25 1.23 10
8 07/28/2023 23:15:42 -69.72, 8.13 129.18 07/28/2023 23:14:30 -69.80, 7.38 129.06 30.43 72
9 07/31/2023 13:51:16 -70.17, 148.58 128.07 07/31/2023 13:51:57 -70.16, 148.51 128.09 2.93 41
10 07/31/2023 14:42:00 70.08, -43.96 51.83 07/31/2023 14:41:24 70.05, -44.00 51.82 3.00 36
11 08/03/2023 05:17:37 70.70, 96.20 53.16 08/03/2023 05:18:47 70.60, 97.42 53.00 46.40 70
12 08/03/2023 06:08:11 -70.17, -95.65 127.40 08/03/2023 06:08:23 -70.17, -95.59 127.41 2.25 12
13 08/03/2023 06:58:54 70.02, 71.89 52.46 08/03/2023 06:57:50 70.05, 71.89 52.50 3.46 64

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230721.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/21/2023 in txt file.

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