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: 3/11/2023
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 03/12/2023 06:58:02 70.13, 71.77 73.53 03/12/2023 06:58:32 70.10, 71.79 73.50 3.03 30
2 03/12/2023 07:48:43 -69.98,-120.68 106.65 03/12/2023 07:48:02 -69.99,-120.73 106.62 2.47 41
3 03/14/2023 22:24:20 -70.51, 19.63 107.12 03/14/2023 22:25:31 -70.39, 20.44 107.28 33.03 71
4 03/14/2023 23:14:58 70.09,-172.40 72.43 03/14/2023 23:15:02 70.06,-172.39 72.40 2.74 4
5 03/15/2023 00:05:39 -69.94, -4.85 107.75 03/15/2023 00:04:32 -69.96, -4.90 107.72 3.25 67
6 03/17/2023 14:41:09 -70.12, 136.01 108.60 03/17/2023 14:42:04 -70.14, 135.95 108.58 3.27 55
7 03/17/2023 15:31:53 70.01, -56.52 71.29 03/17/2023 15:31:31 70.02, -56.57 71.30 2.08 22
8 03/17/2023 16:22:21 -69.17, 112.03 109.62 03/17/2023 16:21:13 -69.26, 110.03 109.44 79.53 68
9 03/20/2023 06:58:05 -70.11,-108.20 109.67 03/20/2023 06:58:32 -70.09,-108.23 109.69 1.87 27
10 03/20/2023 07:48:49 70.01, 59.26 70.21 03/20/2023 07:47:59 69.98, 59.25 70.19 3.48 50
11 03/22/2023 22:24:17 70.17,-159.84 69.35 03/22/2023 22:25:27 70.20,-159.82 69.36 3.23 70
12 03/22/2023 23:14:59 -70.06, 7.64 110.78 03/22/2023 23:14:58 -70.04, 7.59 110.80 2.91 1
13 03/23/2023 00:05:39 69.75, 175.42 68.88 03/23/2023 00:04:27 69.81, 174.91 68.97 20.63 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/11/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230311.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/11/2023 in txt file.

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