Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/11/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 01/12/2023 14:41:00 -70.92, 134.75 87.43 01/12/2023 14:42:07 -70.84, 137.04 87.59 83.78 67
2 01/12/2023 15:31:29 70.01, -56.48 91.60 01/12/2023 15:31:47 70.03, -56.52 91.62 2.61 18
3 01/12/2023 16:22:11 -69.93, 110.95 88.49 01/12/2023 16:21:17 -69.92, 110.96 88.50 1.64 54
4 01/15/2023 06:57:40 -70.08,-108.14 88.77 01/15/2023 06:58:48 -70.09,-108.19 88.78 2.07 68
5 01/15/2023 07:48:24 69.96, 59.36 91.10 01/15/2023 07:48:15 69.98, 59.30 91.12 3.29 9
6 01/15/2023 08:39:01 -69.61,-132.81 89.27 01/15/2023 08:37:49 -69.65,-133.52 89.21 27.91 72
7 01/17/2023 23:14:35 -70.04, 7.70 89.32 01/17/2023 23:15:15 -70.06, 7.66 89.30 2.79 40
8 01/18/2023 00:05:20 69.97, 175.12 90.60 01/18/2023 00:04:42 69.95, 175.15 90.59 2.62 38
9 01/20/2023 14:40:56 70.51, -44.59 90.64 01/20/2023 14:42:06 70.44, -43.53 90.52 39.98 70
10 01/20/2023 15:31:30 -70.01, 123.52 89.91 01/20/2023 15:31:42 -70.01, 123.48 89.91 1.82 12
11 01/20/2023 16:22:14 69.89, -68.98 89.96 01/20/2023 16:21:09 69.89, -69.04 89.98 2.24 65
12 01/23/2023 06:57:42 70.07, 71.88 89.57 01/23/2023 06:58:37 70.08, 71.83 89.57 1.98 55
13 01/23/2023 07:48:24 -69.98,-120.66 90.53 01/23/2023 07:48:07 -69.97,-120.68 90.54 0.83 17
14 01/23/2023 08:38:54 69.12, 47.90 88.56 01/23/2023 08:37:46 69.19, 45.91 88.72 79.03 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/11/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230111.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/11/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9