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: 4/12/2023
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 04/13/2023 06:07:46 -70.21, -95.73 118.82 04/13/2023 06:08:49 -70.18, -95.74 118.85 2.83 63
2 04/13/2023 06:58:30 70.09, 71.75 61.05 04/13/2023 06:58:16 70.08, 71.76 61.04 1.40 14
3 04/13/2023 07:49:03 -69.52,-120.08 119.55 04/13/2023 07:47:53 -69.58,-121.30 119.46 47.86 70
4 04/15/2023 22:24:42 -70.15, 20.13 119.85 04/15/2023 22:25:16 -70.14, 20.09 119.86 1.63 34
5 04/15/2023 23:15:26 70.03,-172.39 60.02 04/15/2023 23:14:43 70.04,-172.42 60.03 1.28 43
6 04/18/2023 13:50:58 70.35, -31.73 59.43 04/18/2023 13:52:10 70.30, -31.44 59.36 12.41 72
7 04/18/2023 14:41:38 -70.15, 135.90 120.80 04/18/2023 14:41:41 -70.13, 135.96 120.82 2.59 3
8 04/18/2023 15:32:21 69.98, -56.54 59.02 04/18/2023 15:31:09 69.97, -56.63 59.02 3.69 72
9 04/21/2023 06:07:52 70.20, 84.27 58.35 04/21/2023 06:08:37 70.20, 84.31 58.34 1.54 45
10 04/21/2023 06:58:34 -70.10,-108.26 121.77 04/21/2023 06:58:07 -70.09,-108.22 121.78 2.22 27
11 04/23/2023 21:34:17 -70.95, 31.51 121.76 04/23/2023 21:35:25 -70.84, 33.50 121.93 73.40 68
12 04/23/2023 22:24:48 70.17,-159.91 57.41 04/23/2023 22:25:02 70.18,-159.83 57.42 3.21 14
13 04/23/2023 23:15:29 -70.01, 7.64 122.76 04/23/2023 23:14:33 -70.02, 7.57 122.76 2.72 56

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/12/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230412.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/12/2023 in txt file.

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