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: 12/20/2023
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 12/22/2023 14:41:13 70.13, -44.02 93.49 12/22/2023 14:42:15 70.11, -44.05 93.46 3.23 62
2 12/22/2023 15:31:55 -70.03, 123.45 86.61 12/22/2023 15:31:44 -70.05, 123.50 86.60 2.51 11
3 12/22/2023 16:22:29 69.40, -68.30 92.74 12/22/2023 16:21:19 69.50, -69.60 92.87 52.21 70
4 12/25/2023 06:58:07 70.10, 71.80 93.43 12/25/2023 06:58:44 70.09, 71.81 93.41 1.79 37
5 12/25/2023 07:48:49 -70.00,-120.73 86.68 12/25/2023 07:48:14 -69.98,-120.71 86.70 2.89 35
6 12/27/2023 22:24:27 -70.76, 19.22 85.98 12/27/2023 22:25:36 -70.64, 20.86 86.14 61.57 69
7 12/27/2023 23:14:59 70.03,-172.31 93.27 12/27/2023 23:15:12 70.04,-172.37 93.28 2.59 13
8 12/28/2023 00:05:41 -69.93, -4.84 86.84 12/28/2023 00:04:42 -69.93, -4.89 86.83 2.02 59
9 12/30/2023 14:41:09 -70.12, 136.02 86.78 12/30/2023 14:42:13 -70.13, 135.99 86.78 1.61 64
10 12/30/2023 15:31:53 70.02, -56.52 93.12 12/30/2023 15:31:40 70.02, -56.52 93.11 0.12 13
11 12/30/2023 16:22:27 -69.49, 111.58 87.44 12/30/2023 16:21:16 -69.58, 110.51 87.32 42.69 71
12 01/02/2024 06:58:02 -70.06,-108.12 87.04 01/02/2024 06:58:41 -70.08,-108.19 87.03 3.53 39
13 01/02/2024 07:48:46 69.96, 59.34 92.86 01/02/2024 07:48:08 69.97, 59.29 92.86 1.87 38

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/20/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231220.jpg

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

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