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: 9/13/2023
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 09/14/2023 22:24:48 70.14,-159.83 66.83 09/14/2023 22:25:30 70.13,-159.86 66.81 1.81 42
2 09/14/2023 23:15:29 -70.01, 7.69 113.30 09/14/2023 23:15:00 -70.02, 7.62 113.29 2.86 29
3 09/17/2023 13:51:11 -71.05, 147.17 111.23 09/17/2023 13:52:18 -70.95, 149.61 111.37 89.12 67
4 09/17/2023 14:41:39 70.10, -43.99 67.81 09/17/2023 14:41:59 70.08, -44.04 67.79 2.62 20
5 09/17/2023 15:32:21 -70.02, 123.46 112.27 09/17/2023 15:31:28 -70.03, 123.52 112.25 2.69 53
6 09/20/2023 06:07:48 -70.23, -95.72 111.04 09/20/2023 06:09:00 -70.22, -95.60 111.06 4.63 72
7 09/20/2023 06:58:31 70.06, 71.85 68.81 09/20/2023 06:58:28 70.06, 71.81 68.80 1.59 3
8 09/20/2023 07:49:12 -69.92,-120.63 111.33 09/20/2023 07:47:58 -69.95,-120.71 111.30 4.27 74
9 09/22/2023 22:24:39 -70.15, 20.18 110.09 09/22/2023 22:25:29 -70.16, 20.20 110.08 1.63 50
10 09/22/2023 23:15:23 70.04,-172.33 69.82 09/22/2023 23:14:56 70.05,-172.31 69.83 1.71 27
11 09/23/2023 00:05:48 -69.05, -3.59 111.18 09/23/2023 00:04:41 -69.12, -5.94 111.08 93.84 67
12 09/25/2023 14:41:31 -70.13, 135.99 109.07 09/25/2023 14:41:57 -70.12, 136.04 109.08 1.88 26
13 09/25/2023 15:32:15 70.02, -56.53 70.84 09/25/2023 15:31:24 70.01, -56.48 70.83 2.21 51

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/13/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230913.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/13/2023 in txt file.

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