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: 7/4/2023
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 07/04/2023 23:15:40 69.79,-171.91 46.91 07/04/2023 23:14:28 69.88,-172.56 47.04 26.81 72
2 07/07/2023 13:51:14 70.25, -31.48 47.66 07/07/2023 13:51:58 70.25, -31.43 47.65 1.74 44
3 07/07/2023 14:41:56 -70.16, 135.98 132.44 07/07/2023 14:41:28 -70.14, 136.04 132.45 2.94 28
4 07/10/2023 05:17:42 -71.19, -84.56 131.04 07/10/2023 05:18:48 -71.09, -81.93 131.24 95.22 66
5 07/10/2023 06:08:09 70.19, 84.38 47.91 07/10/2023 06:08:30 70.17, 84.33 47.89 2.82 21
6 07/10/2023 06:58:51 -70.09,-108.16 132.19 07/10/2023 06:57:59 -70.11,-108.11 132.16 2.90 52
7 07/12/2023 21:34:21 -70.29, 32.67 131.62 07/12/2023 21:35:33 -70.28, 32.73 131.65 2.82 72
8 07/12/2023 22:25:04 70.14,-159.78 48.22 07/12/2023 22:25:01 70.12,-159.86 48.21 3.25 3
9 07/12/2023 23:15:44 -69.93, 7.85 132.00 07/12/2023 23:14:32 -69.96, 7.55 131.95 11.91 72
10 07/15/2023 13:51:16 -70.24, 148.51 131.27 07/15/2023 13:52:04 -70.22, 148.52 131.31 2.79 48
11 07/15/2023 14:41:59 70.09, -43.95 48.57 07/15/2023 14:41:31 70.11, -43.99 48.60 2.84 28
12 07/18/2023 05:17:43 71.09, 95.57 50.08 07/18/2023 05:18:50 71.00, 97.95 49.89 86.62 67
13 07/18/2023 06:08:10 -70.20, -95.66 130.87 07/18/2023 06:08:33 -70.19, -95.64 130.89 1.32 23
14 07/18/2023 06:58:54 70.10, 71.80 49.04 07/18/2023 06:58:00 70.08, 71.85 49.02 3.16 54

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/4/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230705.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/04/2023 in txt file.

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