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: 4/19/2023
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 70.20, 84.27 58.35 04/21/2023 06:08:46 70.21, 84.28 58.35 1.11 54
2 04/21/2023 06:58:34 -70.11,-108.28 121.76 04/21/2023 06:58:16 -70.09,-108.25 121.78 1.96 18
3 04/21/2023 07:49:03 69.19, 60.38 57.29 04/21/2023 07:47:56 69.27, 58.28 57.42 83.19 67
4 04/23/2023 22:24:48 70.18,-159.92 57.42 04/23/2023 22:25:14 70.20,-159.86 57.44 3.41 26
5 04/23/2023 23:15:29 -70.03, 7.62 122.75 04/23/2023 23:14:45 -70.03, 7.54 122.74 2.93 44
6 04/26/2023 13:51:01 -70.38, 148.22 123.24 04/26/2023 13:52:13 -70.30, 148.53 123.33 14.43 72
7 04/26/2023 14:41:42 70.11, -44.05 56.47 04/26/2023 14:41:41 70.14, -44.06 56.50 3.28 1
8 04/26/2023 15:32:24 -70.02, 123.41 123.64 04/26/2023 15:31:11 -70.03, 123.42 123.62 1.56 73
9 04/29/2023 06:07:54 -70.22, -95.75 124.26 04/29/2023 06:08:41 -70.20, -95.73 124.28 1.87 47
10 04/29/2023 06:58:38 70.11, 71.73 55.62 04/29/2023 06:58:08 70.09, 71.76 55.60 2.13 30
11 05/01/2023 21:34:19 70.90,-148.39 55.64 05/01/2023 21:35:27 70.82,-146.56 55.52 67.41 68
12 05/01/2023 22:24:49 -70.17, 20.10 125.13 05/01/2023 22:25:07 -70.16, 20.11 125.14 0.71 18
13 05/01/2023 23:15:33 70.06,-172.43 54.75 05/01/2023 23:14:34 70.05,-172.41 54.74 1.41 59

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230420.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/19/2023 in txt file.

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