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: 5/12/2023
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 05/13/2023 07:09:15 -70.16,-111.30 128.26 05/13/2023 07:10:03 -70.17,-111.26 128.26 1.73 48
2 05/13/2023 07:59:59 70.03, 56.20 51.60 05/13/2023 07:59:31 70.01, 56.16 51.58 2.89 28
3 05/15/2023 22:35:43 70.96,-164.15 51.94 05/15/2023 22:36:50 70.86,-161.98 51.79 79.45 67
4 05/15/2023 23:26:10 -70.09, 4.57 128.98 05/15/2023 23:26:32 -70.10, 4.52 128.97 2.03 22
5 05/16/2023 00:16:54 69.97, 172.06 50.89 05/16/2023 00:15:59 69.99, 172.01 50.92 3.28 55
6 05/18/2023 14:52:23 70.17, -47.12 50.52 05/18/2023 14:53:29 70.16, -47.15 50.49 2.21 66
7 05/18/2023 15:43:05 -70.09, 120.33 129.58 05/18/2023 15:42:58 -70.10, 120.41 129.57 3.30 7
8 05/18/2023 16:33:42 69.59, -71.63 49.91 05/18/2023 16:32:31 69.66, -72.56 50.00 37.04 71
9 05/21/2023 07:09:18 70.13, 68.71 49.91 05/21/2023 07:09:56 70.13, 68.69 49.90 0.88 38
10 05/21/2023 08:00:00 -70.04,-123.83 130.20 05/21/2023 07:59:26 -70.02,-123.83 130.21 2.05 34
11 05/23/2023 22:35:39 -70.74, 16.21 129.98 05/23/2023 22:36:48 -70.62, 17.65 130.14 54.39 69
12 05/23/2023 23:26:13 70.10,-175.47 49.35 05/23/2023 23:26:22 70.12,-175.44 49.37 3.04 9
13 05/24/2023 00:16:55 -70.01, -8.02 130.75 05/24/2023 00:15:52 -70.02, -7.95 130.74 2.90 63

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/12/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230512.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/12/2023 in txt file.

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