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: 5/27/2023
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 05/27/2023 23:00:51 -70.13, 10.81 131.32 05/27/2023 23:02:00 -70.17, 10.81 131.29 3.64 69
2 05/27/2023 23:51:35 70.01, 178.31 48.55 05/27/2023 23:51:28 70.01, 178.24 48.56 2.80 7
3 05/28/2023 00:42:13 -69.72, -13.94 131.76 05/28/2023 00:41:00 -69.79, -14.44 131.67 20.90 73
4 05/30/2023 15:17:45 -70.11, 126.62 131.76 05/30/2023 15:18:29 -70.12, 126.62 131.75 1.32 44
5 05/30/2023 16:08:29 69.98, -65.89 48.11 05/30/2023 16:07:56 70.01, -65.89 48.14 3.22 33
6 06/02/2023 06:44:11 70.86, 73.87 48.66 06/02/2023 06:45:19 70.70, 75.72 48.46 69.55 68
7 06/02/2023 07:34:40 -70.08,-117.58 132.15 06/02/2023 07:34:58 -70.10,-117.53 132.14 2.91 18
8 06/02/2023 08:25:24 69.97, 49.91 47.73 06/02/2023 08:24:26 69.94, 49.88 47.70 3.04 58
9 06/04/2023 23:00:53 70.16,-169.25 47.61 06/04/2023 23:01:57 70.17,-169.19 47.62 2.79 64
10 06/04/2023 23:51:34 -70.02, -1.71 132.54 06/04/2023 23:51:28 -70.01, -1.78 132.54 2.65 6
11 06/05/2023 00:42:11 69.53, 166.32 46.95 06/05/2023 00:41:00 69.63, 165.33 47.08 39.86 71
12 06/07/2023 15:17:47 70.10, -53.39 47.28 06/07/2023 15:18:26 70.12, -53.39 47.29 1.74 39
13 06/07/2023 16:08:29 -70.01, 114.07 132.83 06/07/2023 16:07:56 -70.02, 114.10 132.82 1.52 33

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230527.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/27/2023 in txt file.

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