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: 5/15/2023
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 05/17/2023 21:34:16 70.67,-147.99 51.18 05/17/2023 21:35:26 70.55,-147.00 51.03 38.97 70
2 05/17/2023 22:24:50 -70.17, 20.13 129.35 05/17/2023 22:25:01 -70.15, 20.07 129.36 2.56 11
3 05/17/2023 23:15:34 70.04,-172.37 50.52 05/17/2023 23:14:28 70.05,-172.43 50.53 2.64 66
4 05/20/2023 13:51:03 70.25, -31.54 50.17 05/20/2023 13:51:58 70.26, -31.53 50.17 1.26 55
5 05/20/2023 14:41:45 -70.17, 135.91 129.93 05/20/2023 14:41:28 -70.15, 135.94 129.95 2.41 17
6 05/20/2023 15:32:15 69.30, -55.50 49.18 05/20/2023 15:31:07 69.38, -57.47 49.30 77.87 68
7 05/23/2023 06:07:57 70.20, 84.31 49.59 05/23/2023 06:08:25 70.22, 84.30 49.60 2.08 28
8 05/23/2023 06:58:39 -70.12,-108.24 130.51 05/23/2023 06:57:55 -70.11,-108.23 130.52 0.87 44
9 05/25/2023 21:34:10 -70.49, 32.33 130.60 05/25/2023 21:35:21 -70.43, 32.84 130.68 20.22 71
10 05/25/2023 22:24:50 70.16,-159.85 49.06 05/25/2023 22:24:51 70.16,-159.91 49.05 2.47 1
11 05/25/2023 23:15:32 -70.08, 7.60 131.04 05/25/2023 23:14:21 -70.05, 7.57 131.07 3.25 71
12 05/28/2023 13:51:00 -70.25, 148.49 131.31 05/28/2023 13:51:50 -70.24, 148.45 131.32 2.08 50
13 05/28/2023 14:41:44 70.13, -44.02 48.57 05/28/2023 14:41:17 70.12, -44.07 48.56 2.37 27

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/15/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230516.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/15/2023 in txt file.

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