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: 4/15/2024
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 04/17/2024 06:44:37 70.43, 74.35 59.71 04/17/2024 06:45:48 70.33, 75.18 59.58 33.05 71
2 04/17/2024 07:35:13 -70.01,-117.69 120.74 04/17/2024 07:35:22 -70.00,-117.66 120.76 2.12 9
3 04/17/2024 08:25:57 69.91, 49.78 59.14 04/17/2024 08:24:49 69.89, 49.83 59.13 2.78 68
4 04/19/2024 23:01:26 70.09,-169.34 58.42 04/19/2024 23:02:18 70.06,-169.31 58.39 2.78 52
5 04/19/2024 23:52:07 -69.93, -1.79 121.75 04/19/2024 23:51:48 -69.96, -1.83 121.73 2.94 19
6 04/20/2024 00:42:36 69.03, 166.82 57.31 04/20/2024 00:41:29 69.07, 164.63 57.41 87.48 67
7 04/22/2024 15:18:20 70.02, -53.47 57.45 04/22/2024 15:18:43 70.04, -53.46 57.46 1.70 23
8 04/22/2024 16:09:02 -69.92, 114.01 122.67 04/22/2024 16:08:13 -69.93, 114.03 122.66 1.51 49
9 04/25/2024 06:44:30 -70.07,-105.07 123.38 04/25/2024 06:45:41 -70.09,-105.14 123.37 3.31 71
10 04/25/2024 07:35:14 69.97, 62.39 56.51 04/25/2024 07:35:08 69.97, 62.34 56.51 1.92 6
11 04/25/2024 08:25:53 -69.70,-129.90 123.78 04/25/2024 08:24:40 -69.75,-130.32 123.71 17.27 73
12 04/27/2024 23:01:24 -70.08, 10.69 124.22 04/27/2024 23:02:03 -70.09, 10.77 124.22 3.23 39
13 04/27/2024 23:52:07 69.93, 178.23 55.61 04/27/2024 23:51:31 69.91, 178.17 55.60 2.79 36

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/15/2024
SNOs_Map_NOAA-21_LANDSAT-9_20240415.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/15/2024 in txt file.

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