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: 6/12/2023
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 06/12/2023 23:00:50 -70.13, 10.79 133.10 06/12/2023 23:01:53 -70.12, 10.74 133.12 2.36 63
2 06/12/2023 23:51:34 70.01, 178.28 46.78 06/12/2023 23:51:20 70.02, 178.24 46.79 1.75 14
3 06/13/2023 00:42:07 -69.45, -13.58 133.81 06/13/2023 00:40:57 -69.52, -14.82 133.70 48.92 70
4 06/15/2023 15:17:44 -70.10, 126.61 133.26 06/15/2023 15:18:20 -70.08, 126.56 133.29 2.58 36
5 06/15/2023 16:08:28 69.98, -65.90 46.62 06/15/2023 16:07:47 69.98, -65.94 46.61 1.73 41
6 06/18/2023 06:44:02 70.48, 74.47 47.06 06/18/2023 06:45:13 70.34, 75.19 46.89 30.80 71
7 06/18/2023 07:34:38 -70.07,-117.57 133.38 06/18/2023 07:34:46 -70.07,-117.57 133.38 0.25 8
8 06/18/2023 08:25:22 69.96, 49.90 46.51 06/18/2023 08:24:13 69.96, 49.92 46.52 0.66 69
9 06/20/2023 23:00:49 70.15,-169.24 46.68 06/20/2023 23:01:41 70.14,-169.22 46.66 1.16 52
10 06/20/2023 23:51:31 -70.05, -1.77 133.43 06/20/2023 23:51:11 -70.03, -1.74 133.45 2.36 20
11 06/21/2023 00:41:59 69.09, 166.93 45.58 06/21/2023 00:40:52 69.14, 164.71 45.71 88.15 67
12 06/23/2023 15:17:42 70.08, -53.37 46.63 06/23/2023 15:18:07 70.07, -53.42 46.61 2.49 25
13 06/23/2023 16:08:24 -69.98, 114.10 133.48 06/23/2023 16:07:37 -69.97, 114.06 133.49 2.24 47

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/12/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230612.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/12/2023 in txt file.

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