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: 12/15/2023
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 12/17/2023 06:58:07 -70.09,-108.18 86.66 12/17/2023 06:58:45 -70.08,-108.21 86.67 1.80 38
2 12/17/2023 07:48:51 69.98, 59.29 93.24 12/17/2023 07:48:12 69.97, 59.29 93.23 1.11 39
3 12/19/2023 22:24:29 70.67,-160.63 94.02 12/19/2023 22:25:38 70.58,-159.24 93.90 52.38 69
4 12/19/2023 23:15:01 -70.04, 7.67 86.63 12/19/2023 23:15:16 -70.03, 7.60 86.64 2.86 15
5 12/20/2023 00:05:45 69.93, 175.14 93.27 12/20/2023 00:04:43 69.92, 175.09 93.26 2.04 62
6 12/22/2023 14:41:13 70.15, -44.04 93.51 12/22/2023 14:42:15 70.12, -44.03 93.48 2.73 62
7 12/22/2023 15:31:55 -70.04, 123.44 86.60 12/22/2023 15:31:45 -70.02, 123.46 86.63 2.87 10
8 12/22/2023 16:22:30 69.46, -68.40 92.81 12/22/2023 16:21:19 69.52, -69.58 92.89 46.72 71
9 12/25/2023 06:58:07 70.10, 71.80 93.43 12/25/2023 06:58:45 70.08, 71.80 93.41 2.37 38
10 12/25/2023 07:48:49 -70.00,-120.72 86.68 12/25/2023 07:48:15 -69.98,-120.71 86.70 1.97 34
11 12/27/2023 22:24:29 -70.79, 19.17 85.94 12/27/2023 22:25:38 -70.68, 20.91 86.10 65.25 69
12 12/27/2023 23:15:01 70.07,-172.37 93.31 12/27/2023 23:15:14 70.08,-172.33 93.32 2.03 13
13 12/28/2023 00:05:43 -69.96, -4.89 86.81 12/28/2023 00:04:44 -69.98, -4.84 86.79 2.87 59

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/15/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231215.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/15/2023 in txt file.

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