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: 5/14/2023
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 05/15/2023 06:07:56 -70.22, -95.73 128.68 05/15/2023 06:08:33 -70.20, -95.74 128.70 1.88 37
2 05/15/2023 06:58:40 70.09, 71.77 51.18 05/15/2023 06:58:00 70.10, 71.76 51.20 1.24 40
3 05/17/2023 21:34:16 70.66,-147.97 51.17 05/17/2023 21:35:26 70.55,-146.99 51.03 38.39 70
4 05/17/2023 22:24:50 -70.16, 20.14 129.36 05/17/2023 22:25:01 -70.16, 20.07 129.36 2.55 11
5 05/17/2023 23:15:34 70.03,-172.36 50.51 05/17/2023 23:14:28 70.05,-172.43 50.53 3.35 66
6 05/20/2023 13:51:03 70.24, -31.53 50.17 05/20/2023 13:51:58 70.25, -31.55 50.16 0.86 55
7 05/20/2023 14:41:45 -70.16, 135.92 129.93 05/20/2023 14:41:28 -70.14, 135.93 129.95 2.38 17
8 05/20/2023 15:32:15 69.29, -55.49 49.18 05/20/2023 15:31:07 69.37, -57.48 49.29 78.55 68
9 05/23/2023 06:07:57 70.20, 84.31 49.59 05/23/2023 06:08:25 70.19, 84.26 49.58 2.10 28
10 05/23/2023 06:58:39 -70.11,-108.23 130.51 05/23/2023 06:57:55 -70.09,-108.26 130.54 3.29 44
11 05/25/2023 21:34:09 -70.44, 32.41 130.66 05/25/2023 21:35:21 -70.39, 32.78 130.72 15.03 72
12 05/25/2023 22:24:50 70.17,-159.85 49.06 05/25/2023 22:24:50 70.16,-159.89 49.06 1.54 0
13 05/25/2023 23:15:32 -70.08, 7.60 131.04 05/25/2023 23:14:20 -70.06, 7.59 131.06 2.23 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230514.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/14/2023 in txt file.

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