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: 4/27/2023
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 04/29/2023 06:07:54 -70.23, -95.77 124.24 04/29/2023 06:08:41 -70.23, -95.69 124.25 3.01 47
2 04/29/2023 06:58:37 70.06, 71.80 55.57 04/29/2023 06:58:09 70.07, 71.73 55.59 3.22 28
3 05/01/2023 21:34:20 70.95,-148.48 55.70 05/01/2023 21:35:28 70.84,-146.54 55.54 71.75 68
4 05/01/2023 22:24:49 -70.18, 20.08 125.12 05/01/2023 22:25:08 -70.18, 20.12 125.12 1.32 19
5 05/01/2023 23:15:33 70.06,-172.43 54.75 05/01/2023 23:14:35 70.07,-172.39 54.77 2.04 58
6 05/04/2023 13:51:02 70.22, -31.53 54.15 05/04/2023 13:52:05 70.21, -31.59 54.13 2.90 63
7 05/04/2023 14:41:44 -70.13, 135.93 125.96 05/04/2023 14:41:34 -70.15, 135.96 125.94 2.37 10
8 05/04/2023 15:32:19 69.54, -55.88 53.43 05/04/2023 15:31:09 69.60, -57.16 53.52 50.15 70
9 05/07/2023 06:07:57 70.19, 84.30 53.35 05/07/2023 06:08:30 70.20, 84.29 53.36 1.26 33
10 05/07/2023 06:58:39 -70.09,-108.24 126.76 05/07/2023 06:58:00 -70.09,-108.23 126.76 0.76 39
11 05/09/2023 21:34:12 -70.53, 32.22 127.01 05/09/2023 21:35:24 -70.43, 32.88 127.13 26.66 72
12 05/09/2023 22:24:51 70.16,-159.88 52.60 05/09/2023 22:24:54 70.15,-159.88 52.59 0.41 3
13 05/09/2023 23:15:33 -70.06, 7.58 127.51 05/09/2023 23:14:24 -70.05, 7.60 127.53 1.98 69

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/27/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230428.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/27/2023 in txt file.

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