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: 4/18/2023
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 04/21/2023 06:07:52 70.22, 84.24 58.37 04/21/2023 06:08:46 70.19, 84.26 58.33 3.16 54
2 04/21/2023 06:58:33 -70.07,-108.22 121.80 04/21/2023 06:58:16 -70.08,-108.27 121.79 1.98 17
3 04/21/2023 07:49:03 69.21, 60.35 57.31 04/21/2023 07:47:56 69.25, 58.25 57.40 82.77 67
4 04/23/2023 22:24:48 70.19,-159.95 57.44 04/23/2023 22:25:14 70.18,-159.88 57.42 3.08 26
5 04/23/2023 23:15:29 -70.05, 7.59 122.73 04/23/2023 23:14:44 -70.07, 7.60 122.70 2.60 45
6 04/26/2023 13:51:02 -70.40, 148.19 123.22 04/26/2023 13:52:13 -70.35, 148.60 123.29 15.99 71
7 04/26/2023 14:41:43 70.13, -44.08 56.49 04/26/2023 14:41:42 70.13, -44.07 56.49 0.13 1
8 04/26/2023 15:32:25 -70.03, 123.39 123.62 04/26/2023 15:31:12 -70.02, 123.41 123.63 1.63 73
9 04/29/2023 06:07:53 -70.18, -95.70 124.29 04/29/2023 06:08:41 -70.20, -95.73 124.28 2.29 48
10 04/29/2023 06:58:37 70.07, 71.78 55.59 04/29/2023 06:58:08 70.08, 71.75 55.60 1.84 29
11 05/01/2023 21:34:19 70.92,-148.42 55.66 05/01/2023 21:35:27 70.82,-146.56 55.52 68.88 68
12 05/01/2023 22:24:49 -70.19, 20.07 125.11 05/01/2023 22:25:07 -70.17, 20.11 125.13 2.76 18
13 05/01/2023 23:15:32 70.03,-172.38 54.72 05/01/2023 23:14:34 70.05,-172.41 54.75 2.99 58

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230419.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/18/2023 in txt file.

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