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: 7/7/2023
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 07/09/2023 15:17:32 70.05, -53.31 47.71 07/09/2023 15:18:34 70.05, -53.34 47.70 1.41 62
2 07/09/2023 16:08:14 -69.96, 114.15 132.38 07/09/2023 16:08:04 -69.94, 114.13 132.40 2.23 10
3 07/09/2023 16:58:49 69.37, -77.68 47.01 07/09/2023 16:57:39 69.40, -78.97 47.09 50.63 70
4 07/12/2023 07:34:25 70.04, 62.49 48.05 07/12/2023 07:35:04 70.06, 62.54 48.06 2.67 39
5 07/12/2023 08:25:07 -69.94,-130.05 132.05 07/12/2023 08:24:34 -69.95,-129.98 132.05 2.56 33
6 07/14/2023 23:00:48 -70.87, 9.63 130.68 07/14/2023 23:01:55 -70.79, 11.87 130.86 82.15 67
7 07/14/2023 23:51:17 69.99, 178.35 48.39 07/14/2023 23:51:35 69.98, 178.32 48.38 1.45 18
8 07/15/2023 00:41:59 -69.88, -14.18 131.72 07/15/2023 00:41:05 -69.87, -14.20 131.72 1.70 54
9 07/17/2023 15:17:26 -70.09, 126.66 131.08 07/17/2023 15:18:37 -70.10, 126.72 131.08 2.45 71
10 07/17/2023 16:08:09 69.94, -65.80 48.78 07/17/2023 16:08:05 69.93, -65.87 48.77 2.55 4
11 07/17/2023 16:58:49 -69.73, 101.83 131.44 07/17/2023 16:57:36 -69.77, 101.54 131.38 11.99 73
12 07/20/2023 07:34:17 -70.04,-117.49 130.64 07/20/2023 07:35:06 -70.03,-117.49 130.67 1.89 49
13 07/20/2023 08:25:00 69.90, 50.04 49.21 07/20/2023 08:24:33 69.91, 50.00 49.24 2.64 27

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230708.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/07/2023 in txt file.

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