Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/12/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 07/13/2023 15:42:51 69.99, -59.55 48.19 07/13/2023 15:43:27 69.99, -59.61 48.18 2.43 36
2 07/13/2023 16:33:33 -69.90, 107.91 131.91 07/13/2023 16:32:57 -69.88, 107.86 131.92 2.97 36
3 07/16/2023 07:09:11 -70.67,-112.14 130.68 07/16/2023 07:10:20 -70.60,-110.48 130.83 61.60 69
4 07/16/2023 07:59:44 69.99, 56.24 48.60 07/16/2023 07:59:56 70.00, 56.29 48.61 2.92 12
5 07/16/2023 08:50:26 -69.89,-136.30 131.50 07/16/2023 08:49:26 -69.89,-136.23 131.49 2.75 60
6 07/18/2023 23:25:51 -70.04, 4.63 130.90 07/18/2023 23:26:58 -70.05, 4.60 130.89 2.01 67
7 07/19/2023 00:16:35 69.93, 172.09 49.01 07/19/2023 00:16:25 69.94, 172.09 49.01 1.00 10
8 07/19/2023 01:07:11 -69.52, -19.98 131.43 07/19/2023 01:05:59 -69.61, -20.73 131.29 31.24 72
9 07/21/2023 15:42:44 -70.04, 120.40 130.39 07/21/2023 15:43:27 -70.03, 120.45 130.41 2.33 43
10 07/21/2023 16:33:27 69.89, -72.06 49.46 07/21/2023 16:32:54 69.91, -72.06 49.49 3.16 33
11 07/24/2023 07:09:07 70.78, 67.68 50.94 07/24/2023 07:10:15 70.69, 69.68 50.75 73.99 68
12 07/24/2023 07:59:36 -69.99,-123.76 129.90 07/24/2023 07:59:56 -69.98,-123.72 129.92 1.86 20
13 07/24/2023 08:50:19 69.84, 43.78 49.96 07/24/2023 08:49:23 69.87, 43.76 49.99 2.52 56

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/12/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230712.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/12/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8