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: 3/13/2023
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 03/14/2023 22:24:20 -70.51, 19.63 107.12 03/14/2023 22:25:31 -70.40, 20.45 107.27 32.82 71
2 03/14/2023 23:14:58 70.08,-172.40 72.42 03/14/2023 23:15:02 70.07,-172.37 72.41 1.36 4
3 03/15/2023 00:05:40 -69.98, -4.93 107.70 03/15/2023 00:04:32 -69.97, -4.89 107.71 2.61 68
4 03/17/2023 14:41:10 -70.16, 135.94 108.55 03/17/2023 14:42:04 -70.16, 135.98 108.56 1.56 54
5 03/17/2023 15:31:54 70.06, -56.59 71.33 03/17/2023 15:31:31 70.05, -56.53 71.32 2.33 23
6 03/17/2023 16:22:22 -69.22, 111.96 109.57 03/17/2023 16:21:14 -69.23, 109.99 109.47 78.07 68
7 03/20/2023 06:58:05 -70.10,-108.18 109.68 03/20/2023 06:58:33 -70.08,-108.25 109.70 2.83 28
8 03/20/2023 07:48:48 69.99, 59.28 70.20 03/20/2023 07:47:59 69.97, 59.24 70.18 3.28 49
9 03/22/2023 22:24:18 70.20,-159.89 69.38 03/22/2023 22:25:29 70.17,-159.88 69.33 4.03 71
10 03/22/2023 23:14:59 -70.04, 7.67 110.80 03/22/2023 23:14:59 -70.06, 7.61 110.78 3.27 0
11 03/23/2023 00:05:40 69.78, 175.37 68.92 03/23/2023 00:04:28 69.84, 174.94 68.99 17.60 72
12 03/25/2023 14:41:13 70.16, -44.06 68.28 03/25/2023 14:41:55 70.15, -44.01 68.25 2.58 42
13 03/25/2023 15:31:55 -70.06, 123.42 111.85 03/25/2023 15:31:25 -70.05, 123.47 111.86 2.20 30

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230313.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/13/2023 in txt file.

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