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: 4/25/2023
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 04/26/2023 13:51:01 -70.38, 148.21 123.23 04/26/2023 13:52:13 -70.33, 148.56 123.31 14.59 72
2 04/26/2023 14:41:42 70.11, -44.05 56.47 04/26/2023 14:41:42 70.11, -44.10 56.48 2.00 0
3 04/26/2023 15:32:24 -70.02, 123.40 123.63 04/26/2023 15:31:12 -70.00, 123.37 123.65 2.66 72
4 04/29/2023 06:07:54 -70.22, -95.76 124.25 04/29/2023 06:08:42 -70.19, -95.74 124.29 3.01 48
5 04/29/2023 06:58:38 70.10, 71.73 55.62 04/29/2023 06:58:09 70.09, 71.75 55.60 1.95 29
6 05/01/2023 21:34:20 70.95,-148.48 55.70 05/01/2023 21:35:28 70.85,-146.52 55.55 71.94 68
7 05/01/2023 22:24:49 -70.17, 20.09 125.12 05/01/2023 22:25:08 -70.19, 20.13 125.11 2.32 19
8 05/01/2023 23:15:33 70.06,-172.43 54.75 05/01/2023 23:14:35 70.08,-172.38 54.77 2.81 58
9 05/04/2023 13:51:02 70.23, -31.54 54.16 05/04/2023 13:52:04 70.25, -31.52 54.17 2.46 62
10 05/04/2023 14:41:44 -70.14, 135.92 125.95 05/04/2023 14:41:34 -70.14, 135.96 125.95 1.52 10
11 05/04/2023 15:32:19 69.55, -55.89 53.43 05/04/2023 15:31:09 69.59, -57.17 53.51 49.92 70
12 05/07/2023 06:07:56 70.21, 84.27 53.37 05/07/2023 06:08:28 70.22, 84.33 53.38 2.48 32
13 05/07/2023 06:58:38 -70.11,-108.26 126.74 05/07/2023 06:57:58 -70.11,-108.19 126.74 2.64 40

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230425.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/25/2023 in txt file.

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