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: 10/13/2023
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 10/14/2023 06:57:59 -70.10,-108.11 101.94 10/14/2023 06:58:38 -70.09,-108.17 101.95 2.51 39
2 10/14/2023 07:48:43 69.98, 59.38 77.96 10/14/2023 07:48:05 69.99, 59.33 77.97 2.49 38
3 10/16/2023 22:24:20 70.83,-160.81 79.79 10/16/2023 22:25:28 70.76,-158.94 79.71 68.98 68
4 10/16/2023 23:14:49 -70.07, 7.72 100.98 10/16/2023 23:15:09 -70.05, 7.65 101.00 3.35 20
5 10/17/2023 00:05:33 69.95, 175.21 78.92 10/17/2023 00:04:36 69.95, 175.15 78.91 2.55 57
6 10/19/2023 14:40:58 70.19, -43.99 80.11 10/19/2023 14:42:08 70.18, -43.92 80.10 2.78 70
7 10/19/2023 15:31:39 -70.05, 123.54 100.02 10/19/2023 15:31:38 -70.07, 123.56 100.00 2.40 1
8 10/19/2023 16:22:20 69.78, -68.74 79.72 10/19/2023 16:21:07 69.85, -69.10 79.79 16.23 73
9 10/22/2023 06:57:46 70.13, 71.89 81.01 10/22/2023 06:58:36 70.15, 71.92 81.02 1.83 50
10 10/22/2023 07:48:28 -70.05,-120.66 99.07 10/22/2023 07:48:06 -70.04,-120.60 99.08 2.57 22
11 10/22/2023 08:38:55 69.03, 48.12 79.94 10/22/2023 08:37:49 69.04, 45.70 79.94 96.13 66
12 10/24/2023 23:14:35 70.09,-172.26 81.91 10/24/2023 23:15:04 70.12,-172.23 81.93 3.04 29
13 10/25/2023 00:05:17 -70.00, -4.80 98.18 10/25/2023 00:04:34 -70.01, -4.75 98.17 2.60 43

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231013.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/13/2023 in txt file.

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