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: 5/9/2023
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 05/09/2023 21:34:19 -70.87, 31.67 126.66 05/09/2023 21:35:28 -70.75, 33.32 126.82 61.76 69
2 05/09/2023 22:24:52 70.17,-159.90 52.61 05/09/2023 22:25:04 70.16,-159.91 52.60 0.85 12
3 05/09/2023 23:15:33 -70.04, 7.62 127.54 05/09/2023 23:14:34 -70.05, 7.56 127.53 2.52 59
4 05/12/2023 13:51:01 -70.22, 148.49 128.02 05/12/2023 13:52:05 -70.23, 148.42 128.02 2.69 64
5 05/12/2023 14:41:46 70.15, -44.10 51.90 05/12/2023 14:41:32 70.13, -44.08 51.87 2.93 14
6 05/12/2023 15:32:19 -69.60, 124.06 128.68 05/12/2023 15:31:08 -69.68, 122.93 128.57 44.64 71
7 05/15/2023 06:07:56 -70.21, -95.72 128.69 05/15/2023 06:08:33 -70.22, -95.72 128.68 0.97 37
8 05/15/2023 06:58:40 70.09, 71.77 51.19 05/15/2023 06:58:00 70.11, 71.77 51.21 2.35 40
9 05/17/2023 21:34:16 70.67,-147.98 51.18 05/17/2023 21:35:26 70.56,-146.97 51.05 39.17 70
10 05/17/2023 22:24:50 -70.16, 20.14 129.36 05/17/2023 22:25:01 -70.18, 20.10 129.34 2.62 11
11 05/17/2023 23:15:34 70.04,-172.37 50.52 05/17/2023 23:14:28 70.07,-172.41 50.55 3.28 66
12 05/20/2023 13:51:03 70.26, -31.55 50.18 05/20/2023 13:51:58 70.26, -31.53 50.18 1.19 55
13 05/20/2023 14:41:45 -70.17, 135.91 129.92 05/20/2023 14:41:28 -70.16, 135.96 129.93 2.20 17
14 05/20/2023 15:32:15 69.31, -55.51 49.19 05/20/2023 15:31:07 69.38, -57.47 49.31 76.95 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/9/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230509.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/09/2023 in txt file.

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