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: 7/1/2023
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 07/02/2023 05:17:38 71.05, 95.69 48.02 07/02/2023 05:18:45 70.94, 97.84 47.82 78.99 67
2 07/02/2023 06:08:06 -70.23, -95.66 132.85 07/02/2023 06:08:26 -70.23, -95.59 132.86 2.58 20
3 07/02/2023 06:58:50 70.11, 71.83 47.03 07/02/2023 06:57:53 70.12, 71.91 47.05 3.17 57
4 07/04/2023 21:34:20 70.30,-147.32 47.45 07/04/2023 21:35:29 70.29,-147.25 47.43 2.69 69
5 07/04/2023 22:25:00 -70.16, 20.22 132.71 07/04/2023 22:24:58 -70.19, 20.22 132.68 3.43 2
6 07/04/2023 23:15:40 69.83,-171.98 46.96 07/04/2023 23:14:28 69.92,-172.51 47.07 22.78 72
7 07/07/2023 13:51:14 70.23, -31.46 47.64 07/07/2023 13:52:01 70.23, -31.47 47.64 0.45 47
8 07/07/2023 14:41:56 -70.14, 136.01 132.46 07/07/2023 14:41:31 -70.13, 136.01 132.47 1.14 25
9 07/10/2023 06:08:10 70.22, 84.32 47.95 07/10/2023 06:08:33 70.21, 84.37 47.93 2.63 23
10 07/10/2023 06:58:52 -70.12,-108.21 132.16 07/10/2023 06:58:03 -70.10,-108.15 132.17 3.23 49
11 07/12/2023 21:34:24 -70.42, 32.46 131.49 07/12/2023 21:35:36 -70.38, 32.85 131.56 15.38 72
12 07/12/2023 22:25:05 70.16,-159.83 48.25 07/12/2023 22:25:05 70.16,-159.82 48.24 0.68 0
13 07/12/2023 23:15:47 -70.06, 7.65 131.86 07/12/2023 23:14:35 -70.05, 7.66 131.86 0.72 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/1/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230701.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/01/2023 in txt file.

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