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: 12/29/2022
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 12/30/2022 06:57:38 -70.31,-108.47 86.58 12/30/2022 06:58:49 -70.24,-107.97 86.67 20.12 71
2 12/30/2022 07:48:18 69.97, 59.36 93.07 12/30/2022 07:48:19 69.97, 59.29 93.07 2.76 1
3 12/30/2022 08:39:00 -69.89,-133.20 87.02 12/30/2022 08:37:49 -69.86,-133.23 87.04 3.39 71
4 01/01/2023 23:14:30 -70.06, 7.68 87.03 01/01/2023 23:15:22 -70.07, 7.66 87.03 1.14 52
5 01/02/2023 00:05:14 69.93, 175.18 92.84 01/02/2023 00:04:49 69.96, 175.15 92.86 2.99 25
6 01/02/2023 00:55:40 -69.01, -16.16 88.13 01/02/2023 00:54:33 -69.08, -18.40 87.99 89.31 67
7 01/04/2023 14:41:01 71.06, -45.48 93.77 01/04/2023 14:42:06 70.96, -42.77 93.60 98.66 65
8 01/04/2023 15:31:25 -70.03, 123.50 87.31 01/04/2023 15:31:51 -70.04, 123.49 87.31 1.04 26
9 01/04/2023 16:22:09 69.91, -69.01 92.56 01/04/2023 16:21:18 69.93, -69.02 92.58 2.45 51
10 01/07/2023 06:57:39 70.09, 71.85 92.45 01/07/2023 06:58:51 70.09, 71.81 92.45 1.51 72
11 01/07/2023 07:48:21 -70.01,-120.70 87.64 01/07/2023 07:48:21 -69.99,-120.70 87.66 1.51 0
12 01/07/2023 08:39:02 69.72, 47.03 92.06 01/07/2023 08:37:50 69.77, 46.64 92.12 15.93 72
13 01/09/2023 23:14:35 70.07,-172.35 92.08 01/09/2023 23:15:20 70.08,-172.33 92.08 0.93 45
14 01/10/2023 00:05:17 -69.99, -4.90 88.02 01/10/2023 00:04:50 -69.98, -4.83 88.03 2.67 27

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/29/2022
SNOs_Map_NOAA-20_LANDSAT-9_20221229.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/29/2022 in txt file.

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