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 15:42:52 70.03, -59.61 48.23 07/13/2023 15:43:27 70.00, -59.59 48.20 2.95 35
2 07/13/2023 16:33:33 -69.88, 107.93 131.92 07/13/2023 16:32:57 -69.89, 107.88 131.91 2.00 36
3 07/16/2023 07:09:11 -70.71,-112.20 130.64 07/16/2023 07:10:19 -70.61,-110.47 130.82 64.90 68
4 07/16/2023 07:59:43 69.97, 56.26 48.59 07/16/2023 07:59:56 69.96, 56.23 48.57 1.60 13
5 07/16/2023 08:50:25 -69.87,-136.28 131.51 07/16/2023 08:49:26 -69.85,-136.29 131.53 2.86 59
6 07/18/2023 23:25:52 -70.07, 4.57 130.85 07/18/2023 23:26:58 -70.06, 4.61 130.88 2.39 66
7 07/19/2023 00:16:35 69.92, 172.11 48.99 07/19/2023 00:16:25 69.95, 172.10 49.02 3.50 10
8 07/19/2023 01:07:12 -69.55, -20.03 131.39 07/19/2023 01:06:00 -69.57, -20.79 131.33 29.49 72
9 07/21/2023 15:42:44 -70.02, 120.42 130.41 07/21/2023 15:43:27 -70.03, 120.46 130.41 1.53 43
10 07/21/2023 16:33:28 69.93, -72.12 49.50 07/21/2023 16:32:54 69.92, -72.05 49.49 2.60 34
11 07/24/2023 07:09:07 70.77, 67.70 50.92 07/24/2023 07:10:15 70.69, 69.68 50.75 73.04 68
12 07/24/2023 07:59:36 -69.98,-123.74 129.91 07/24/2023 07:59:56 -69.98,-123.72 129.92 0.47 20
13 07/24/2023 08:50:20 69.88, 43.72 50.00 07/24/2023 08:49:23 69.87, 43.76 49.99 2.57 57

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/12/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230713.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