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: 5/11/2023
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 05/13/2023 07:09:15 -70.15,-111.28 128.27 05/13/2023 07:10:02 -70.13,-111.30 128.29 1.47 47
2 05/13/2023 07:59:59 70.02, 56.22 51.59 05/13/2023 07:59:29 70.03, 56.20 51.60 1.23 30
3 05/15/2023 22:35:39 70.80,-163.88 51.77 05/15/2023 22:36:48 70.67,-162.26 51.60 60.98 69
4 05/15/2023 23:26:10 -70.14, 4.50 128.93 05/15/2023 23:26:26 -70.11, 4.56 128.95 3.42 16
5 05/16/2023 00:16:54 70.01, 171.99 50.94 05/16/2023 00:15:53 70.01, 172.05 50.94 2.55 61
6 05/18/2023 14:52:23 70.17, -47.12 50.52 05/18/2023 14:53:21 70.17, -47.10 50.51 0.70 58
7 05/18/2023 15:43:05 -70.08, 120.34 129.59 05/18/2023 15:42:51 -70.06, 120.38 129.61 3.02 14
8 05/18/2023 16:33:37 69.33, -71.24 49.63 05/18/2023 16:32:28 69.40, -72.88 49.74 64.84 69
9 05/21/2023 07:09:18 70.14, 68.70 49.92 05/21/2023 07:09:45 70.14, 68.75 49.91 1.75 27
10 05/21/2023 08:00:00 -70.05,-123.84 130.19 05/21/2023 07:59:15 -70.03,-123.77 130.20 3.18 45
11 05/23/2023 22:35:30 -70.28, 16.94 130.46 05/23/2023 22:36:41 -70.24, 17.15 130.51 8.69 71
12 05/23/2023 23:26:12 70.06,-175.41 49.31 05/23/2023 23:26:09 70.07,-175.45 49.32 1.78 3
13 05/24/2023 00:16:53 -69.91, -7.88 130.85 05/24/2023 00:15:40 -69.91, -8.04 130.84 6.30 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/11/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230511.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/11/2023 in txt file.

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