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: 7/3/2023
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 07/04/2023 21:34:19 70.27,-147.28 47.42 07/04/2023 21:35:27 70.30,-147.24 47.43 2.94 68
2 07/04/2023 22:25:01 -70.18, 20.18 132.68 07/04/2023 22:24:57 -70.18, 20.23 132.68 1.96 4
3 07/04/2023 23:15:40 69.80,-171.94 46.93 07/04/2023 23:14:28 69.86,-172.58 47.02 25.62 72
4 07/07/2023 13:51:15 70.26, -31.50 47.67 07/07/2023 13:51:59 70.24, -31.45 47.64 3.24 44
5 07/07/2023 14:41:56 -70.11, 136.04 132.48 07/07/2023 14:41:29 -70.13, 136.03 132.46 1.64 27
6 07/10/2023 05:17:42 -71.20, -84.58 131.03 07/10/2023 05:18:48 -71.08, -81.94 131.25 95.72 66
7 07/10/2023 06:08:09 70.20, 84.36 47.93 07/10/2023 06:08:29 70.21, 84.40 47.93 2.14 20
8 07/10/2023 06:58:51 -70.10,-108.18 132.18 07/10/2023 06:57:59 -70.11,-108.12 132.17 2.04 52
9 07/12/2023 21:34:21 -70.30, 32.65 131.61 07/12/2023 21:35:33 -70.28, 32.73 131.65 3.72 72
10 07/12/2023 22:25:04 70.15,-159.80 48.23 07/12/2023 22:25:00 70.17,-159.78 48.25 2.98 4
11 07/12/2023 23:15:44 -69.94, 7.84 131.99 07/12/2023 23:14:32 -69.96, 7.55 131.95 11.31 72
12 07/15/2023 13:51:16 -70.25, 148.50 131.27 07/15/2023 13:52:04 -70.22, 148.53 131.30 3.02 48
13 07/15/2023 14:41:59 70.10, -43.96 48.58 07/15/2023 14:41:31 70.11, -43.99 48.60 2.11 28

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/3/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230703.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/03/2023 in txt file.

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