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: 4/13/2023
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 04/15/2023 22:24:42 -70.17, 20.09 119.82 04/15/2023 22:25:15 -70.17, 20.13 119.83 1.34 33
2 04/15/2023 23:15:26 70.06,-172.42 60.05 04/15/2023 23:14:42 70.07,-172.38 60.06 2.29 44
3 04/18/2023 13:50:59 70.37, -31.77 59.45 04/18/2023 13:52:10 70.32, -31.40 59.39 14.96 71
4 04/18/2023 14:41:38 -70.12, 135.94 120.83 04/18/2023 14:41:42 -70.10, 135.91 120.85 2.26 4
5 04/18/2023 15:32:22 70.01, -56.58 59.05 04/18/2023 15:31:09 69.99, -56.59 59.04 1.57 73
6 04/21/2023 06:07:52 70.17, 84.31 58.32 04/21/2023 06:08:38 70.16, 84.26 58.31 2.18 46
7 04/21/2023 06:58:33 -70.08,-108.23 121.80 04/21/2023 06:58:07 -70.05,-108.27 121.82 3.04 26
8 04/23/2023 21:34:16 -70.93, 31.55 121.79 04/23/2023 21:35:24 -70.85, 33.52 121.92 72.30 68
9 04/23/2023 22:24:47 70.14,-159.87 57.39 04/23/2023 22:25:02 70.14,-159.89 57.38 0.82 15
10 04/23/2023 23:15:29 -70.04, 7.60 122.73 04/23/2023 23:14:32 -70.03, 7.59 122.74 1.67 57
11 04/26/2023 13:50:59 -70.23, 148.46 123.40 04/26/2023 13:51:59 -70.25, 148.52 123.38 3.50 60
12 04/26/2023 14:41:43 70.12, -44.07 56.49 04/26/2023 14:41:26 70.13, -44.00 56.50 3.05 17
13 04/26/2023 15:32:15 -69.49, 124.19 124.18 04/26/2023 15:31:05 -69.53, 122.80 124.10 54.11 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230414.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/13/2023 in txt file.

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