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: 3/15/2023
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 03/17/2023 14:41:10 -70.16, 135.94 108.55 03/17/2023 14:42:04 -70.15, 135.97 108.57 1.76 54
2 03/17/2023 15:31:54 70.05, -56.58 71.33 03/17/2023 15:31:31 70.04, -56.54 71.32 2.17 23
3 03/17/2023 16:22:22 -69.22, 111.96 109.57 03/17/2023 16:21:14 -69.22, 109.98 109.48 78.29 68
4 03/20/2023 06:58:04 -70.10,-108.19 109.68 03/20/2023 06:58:32 -70.08,-108.25 109.71 3.34 28
5 03/20/2023 07:48:48 69.99, 59.29 70.20 03/20/2023 07:47:59 69.97, 59.23 70.18 3.38 49
6 03/22/2023 22:24:18 70.20,-159.89 69.38 03/22/2023 22:25:29 70.17,-159.88 69.33 3.77 71
7 03/22/2023 23:14:59 -70.04, 7.67 110.80 03/22/2023 23:14:59 -70.06, 7.61 110.79 3.12 0
8 03/23/2023 00:05:40 69.78, 175.37 68.91 03/23/2023 00:04:28 69.84, 174.94 68.99 17.76 72
9 03/25/2023 14:41:13 70.16, -44.06 68.28 03/25/2023 14:41:55 70.15, -44.01 68.26 2.18 42
10 03/25/2023 15:31:55 -70.05, 123.42 111.85 03/25/2023 15:31:25 -70.05, 123.48 111.86 2.21 30
11 03/28/2023 06:07:36 -70.86, -96.71 112.03 03/28/2023 06:08:44 -70.75, -94.88 112.21 68.29 68
12 03/28/2023 06:58:07 70.08, 71.84 67.14 03/28/2023 06:58:21 70.09, 71.79 67.14 1.68 14
13 03/28/2023 07:48:49 -69.98,-120.68 112.99 03/28/2023 07:47:51 -69.98,-120.72 112.98 1.74 58

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/15/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230315.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/15/2023 in txt file.

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