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: 12/28/2022
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 -70.30,-108.46 86.59 12/30/2022 06:58:49 -70.24,-107.97 86.67 19.65 71
2 12/30/2022 07:48:18 69.97, 59.37 93.07 12/30/2022 07:48:19 69.97, 59.29 93.07 3.05 1
3 12/30/2022 08:39:00 -69.89,-133.19 87.02 12/30/2022 08:37:49 -69.86,-133.23 87.04 2.93 71
4 01/01/2023 23:14:29 -70.06, 7.69 87.04 01/01/2023 23:15:21 -70.06, 7.65 87.04 1.62 52
5 01/02/2023 00:05:13 69.93, 175.19 92.83 01/02/2023 00:04:48 69.95, 175.14 92.86 2.97 25
6 01/02/2023 00:55:39 -69.00, -16.16 88.13 01/02/2023 00:54:32 -69.08, -18.40 87.99 89.88 67
7 01/04/2023 14:41:01 71.06, -45.47 93.77 01/04/2023 14:42:06 70.95, -42.79 93.58 97.82 65
8 01/04/2023 15:31:25 -70.03, 123.50 87.32 01/04/2023 15:31:51 -70.03, 123.48 87.32 1.04 26
9 01/04/2023 16:22:09 69.90, -69.00 92.55 01/04/2023 16:21:18 69.91, -69.04 92.57 1.78 51
10 01/07/2023 06:57:40 70.14, 71.78 92.51 01/07/2023 06:58:50 70.12, 71.86 92.47 3.67 70
11 01/07/2023 07:48:21 -70.00,-120.69 87.65 01/07/2023 07:48:20 -70.02,-120.65 87.63 2.78 1
12 01/07/2023 08:39:02 69.72, 47.04 92.06 01/07/2023 08:37:49 69.79, 46.68 92.15 16.09 73
13 01/09/2023 23:14:35 70.07,-172.35 92.08 01/09/2023 23:15:19 70.09,-172.30 92.09 2.84 44
14 01/10/2023 00:05:16 -69.93, -4.81 88.08 01/10/2023 00:04:50 -69.94, -4.89 88.07 2.98 26

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/28/2022
SNOs_Map_NOAA-20_LANDSAT-9_20221228.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/28/2022 in txt file.

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