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: 9/22/2023
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 09/22/2023 22:24:39 -70.14, 20.20 110.10 09/22/2023 22:25:30 -70.13, 20.15 110.11 2.44 51
2 09/22/2023 23:15:23 70.01,-172.30 69.79 09/22/2023 23:14:57 70.02,-172.36 69.80 2.34 26
3 09/23/2023 00:05:48 -69.04, -3.57 111.19 09/23/2023 00:04:42 -69.08, -5.99 111.11 96.44 66
4 09/25/2023 14:41:31 -70.11, 136.02 109.08 09/25/2023 14:41:58 -70.09, 135.98 109.11 2.86 27
5 09/25/2023 15:32:15 69.99, -56.49 70.81 09/25/2023 15:31:25 69.98, -56.52 70.80 1.55 50
6 09/28/2023 06:07:42 70.29, 84.21 72.13 09/28/2023 06:08:53 70.24, 84.45 72.07 10.72 71
7 09/28/2023 06:58:22 -70.10,-108.18 108.06 09/28/2023 06:58:24 -70.07,-108.15 108.08 3.11 2
8 09/28/2023 07:49:04 69.87, 59.47 71.73 09/28/2023 07:47:52 69.91, 59.26 71.77 8.63 72
9 09/30/2023 22:24:31 70.12,-159.76 73.00 09/30/2023 22:25:21 70.12,-159.81 73.00 1.96 50
10 09/30/2023 23:15:13 -70.04, 7.69 107.08 09/30/2023 23:14:51 -70.02, 7.67 107.10 2.23 22
11 10/03/2023 14:41:22 70.08, -43.90 73.99 10/03/2023 14:41:47 70.09, -43.96 74.00 2.60 25
12 10/03/2023 15:32:04 -69.99, 123.55 106.09 10/03/2023 15:31:17 -69.99, 123.52 106.10 0.94 47

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/22/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230922.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/22/2023 in txt file.

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