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: 1/31/2023
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 01/31/2023 22:36:50 -71.07, 15.66 91.59 01/31/2023 22:37:56 -70.98, 18.23 91.79 93.42 66
2 01/31/2023 23:27:17 70.06,-175.42 87.34 01/31/2023 23:27:38 70.06,-175.50 87.33 3.02 21
3 02/01/2023 00:17:59 -69.98, -7.97 92.77 02/01/2023 00:17:07 -70.00, -7.94 92.74 3.07 52
4 02/03/2023 14:53:26 -70.24, 132.78 93.24 02/03/2023 14:54:38 -70.22, 132.96 93.28 7.25 72
5 02/03/2023 15:44:09 70.07, -59.66 86.58 02/03/2023 15:44:06 70.06, -59.63 86.56 2.24 3
6 02/03/2023 16:34:50 -69.93, 107.87 93.59 02/03/2023 16:33:36 -69.95, 107.86 93.56 1.91 74
7 02/06/2023 07:10:17 -70.15,-111.31 94.14 02/06/2023 07:11:08 -70.14,-111.27 94.16 1.39 51
8 02/06/2023 08:01:01 70.04, 56.17 85.73 02/06/2023 08:00:35 70.03, 56.22 85.73 1.84 26
9 02/06/2023 08:51:27 -69.10,-135.15 95.27 02/06/2023 08:50:20 -69.10,-137.41 95.16 89.48 67
10 02/08/2023 23:27:09 -70.11, 4.52 95.02 02/08/2023 23:27:37 -70.10, 4.55 95.03 1.53 28
11 02/09/2023 00:17:53 70.00, 171.99 84.86 02/09/2023 00:17:04 69.99, 172.04 84.86 2.27 49
12 02/11/2023 14:53:22 70.34, -47.37 84.37 02/11/2023 14:54:34 70.26, -46.98 84.26 17.41 72
13 02/11/2023 15:44:00 -70.03, 120.42 95.97 02/11/2023 15:44:06 -70.05, 120.35 95.96 2.99 6
14 02/11/2023 16:34:44 69.93, -72.11 83.91 02/11/2023 16:33:33 69.93, -72.16 83.93 2.00 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/31/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230131.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/31/2023 in txt file.

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