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: 9/25/2023
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 09/25/2023 14:41:30 -70.09, 136.05 109.10 09/25/2023 14:41:57 -70.11, 136.01 109.09 2.03 27
2 09/25/2023 15:32:15 70.02, -56.54 70.84 09/25/2023 15:31:24 70.00, -56.50 70.82 2.58 51
3 09/28/2023 06:07:42 70.27, 84.24 72.11 09/28/2023 06:08:53 70.23, 84.45 72.07 8.89 71
4 09/28/2023 06:58:22 -70.08,-108.16 108.07 09/28/2023 06:58:24 -70.07,-108.15 108.09 1.98 2
5 09/28/2023 07:49:05 69.91, 59.41 71.77 09/28/2023 07:47:52 69.90, 59.26 71.76 5.94 73
6 09/30/2023 22:24:32 70.17,-159.83 73.04 09/30/2023 22:25:20 70.15,-159.78 73.02 3.11 48
7 09/30/2023 23:15:13 -70.03, 7.70 107.08 09/30/2023 23:14:50 -70.04, 7.70 107.08 0.30 23
8 10/03/2023 14:41:22 70.13, -43.99 74.04 10/03/2023 14:41:44 70.12, -43.91 74.03 3.20 22
9 10/03/2023 15:32:03 -70.00, 123.54 106.09 10/03/2023 15:31:14 -70.01, 123.57 106.07 2.54 49
10 10/06/2023 06:07:30 -70.27, -95.73 104.80 10/06/2023 06:08:41 -70.22, -95.50 104.85 10.26 71
11 10/06/2023 06:58:12 70.06, 71.91 75.00 10/06/2023 06:58:09 70.05, 71.90 74.99 0.79 3
12 10/06/2023 07:48:53 -69.92,-120.56 105.14 10/06/2023 07:47:39 -69.95,-120.62 105.11 4.13 74
13 10/08/2023 22:24:18 -70.10, 20.32 103.95 10/08/2023 22:25:06 -70.11, 20.25 103.94 3.03 48
14 10/08/2023 23:15:02 69.99,-172.21 75.95 10/08/2023 23:14:33 69.99,-172.28 75.95 2.92 29

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/25/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230925.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/25/2023 in txt file.

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