Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/4/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 05/06/2023 15:17:40 70.11, -53.33 53.46 05/06/2023 15:18:35 70.13, -53.32 53.47 2.14 55
2 05/06/2023 16:08:22 -70.03, 114.12 126.64 05/06/2023 16:08:05 -70.02, 114.15 126.66 2.23 17
3 05/06/2023 16:58:52 69.16, -77.31 52.46 05/06/2023 16:57:44 69.25, -79.24 52.59 76.94 68
4 05/09/2023 07:34:35 70.08, 62.49 52.68 05/09/2023 07:35:00 70.06, 62.47 52.67 1.53 25
5 05/09/2023 08:25:16 -69.94,-129.98 127.47 05/09/2023 08:24:30 -69.95,-130.05 127.46 3.06 46
6 05/11/2023 23:00:47 -70.16, 10.81 127.92 05/11/2023 23:01:58 -70.13, 10.82 127.96 3.39 71
7 05/11/2023 23:51:31 70.04, 178.30 51.95 05/11/2023 23:51:25 70.02, 178.31 51.93 2.44 6
8 05/12/2023 00:42:09 -69.74, -13.93 128.37 05/12/2023 00:40:57 -69.80, -14.37 128.30 17.86 72
9 05/14/2023 15:17:42 -70.08, 126.69 128.67 05/14/2023 15:18:23 -70.07, 126.62 128.68 3.19 41
10 05/14/2023 16:08:26 69.97, -65.82 51.21 05/14/2023 16:07:50 69.95, -65.89 51.20 3.02 36
11 05/17/2023 06:44:02 70.47, 74.53 51.13 05/17/2023 06:45:13 70.36, 75.30 50.99 31.53 71
12 05/17/2023 07:34:38 -70.06,-117.51 129.31 05/17/2023 07:34:47 -70.03,-117.53 129.34 3.34 9
13 05/17/2023 08:25:22 69.95, 49.97 50.57 05/17/2023 08:24:13 69.97, 50.03 50.59 3.42 69

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/4/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230504.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/04/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9