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: 4/16/2024
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 33.06 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 2.38 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 2.85 68
4 04/19/2024 23:01:26 70.09,-169.34 58.42 04/19/2024 23:02:18 70.06,-169.32 58.39 3.25 52
5 04/19/2024 23:52:07 -69.93, -1.79 121.75 04/19/2024 23:51:48 -69.95, -1.84 121.73 2.43 19
6 04/20/2024 00:42:36 69.03, 166.82 57.31 04/20/2024 00:41:29 69.06, 164.62 57.40 87.72 67
7 04/22/2024 15:18:20 70.02, -53.47 57.45 04/22/2024 15:18:43 70.02, -53.47 57.45 0.37 23
8 04/22/2024 16:09:02 -69.92, 114.01 122.67 04/22/2024 16:08:13 -69.92, 114.01 122.67 0.36 49
9 04/25/2024 06:44:31 -70.12,-105.15 123.32 04/25/2024 06:45:40 -70.12,-105.09 123.34 2.39 69
10 04/25/2024 07:35:14 69.97, 62.39 56.51 04/25/2024 07:35:07 70.00, 62.39 56.54 3.43 7
11 04/25/2024 08:25:53 -69.71,-129.90 123.78 04/25/2024 08:24:40 -69.73,-130.35 123.74 17.68 73
12 04/27/2024 23:01:24 -70.08, 10.69 124.22 04/27/2024 23:02:03 -70.05, 10.72 124.25 3.13 39
13 04/27/2024 23:52:07 69.93, 178.23 55.61 04/27/2024 23:51:30 69.93, 178.20 55.62 1.39 37

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/16/2024
SNOs_Map_NOAA-21_LANDSAT-9_20240416.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/16/2024 in txt file.

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