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: 10/20/2023
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 10/22/2023 06:57:47 70.15, 71.86 81.02 10/22/2023 06:58:38 70.12, 71.87 80.99 3.44 51
2 10/22/2023 07:48:28 -70.01,-120.62 99.10 10/22/2023 07:48:08 -70.00,-120.66 99.12 2.07 20
3 10/22/2023 08:38:56 69.04, 48.10 79.95 10/22/2023 08:37:50 69.07, 45.73 79.97 94.28 66
4 10/24/2023 23:14:36 70.10,-172.28 81.92 10/24/2023 23:15:06 70.12,-172.24 81.93 2.32 30
5 10/25/2023 00:05:18 -70.02, -4.83 98.16 10/25/2023 00:04:36 -70.01, -4.76 98.17 2.89 42
6 10/27/2023 14:40:49 -70.65, 135.34 96.63 10/27/2023 14:41:59 -70.57, 136.67 96.71 49.91 70
7 10/27/2023 15:31:24 70.07, -56.44 82.80 10/27/2023 15:31:33 70.08, -56.41 82.81 1.69 9
8 10/27/2023 16:22:06 -69.98, 111.01 97.28 10/27/2023 16:21:03 -69.97, 111.07 97.29 2.68 63
9 10/30/2023 06:57:29 -70.16,-108.09 96.24 10/30/2023 06:58:33 -70.17,-108.03 96.22 2.46 64
10 10/30/2023 07:48:13 70.05, 59.38 83.67 10/30/2023 07:48:00 70.06, 59.45 83.68 2.64 13
11 10/30/2023 08:38:47 -69.54,-132.54 96.83 10/30/2023 08:37:36 -69.62,-133.52 96.75 39.31 71
12 11/01/2023 23:14:17 -70.09, 7.80 95.43 11/01/2023 23:15:00 -70.11, 7.77 95.42 1.90 43
13 11/02/2023 00:05:01 69.99, 175.27 84.48 11/02/2023 00:04:27 69.99, 175.25 84.48 0.57 34

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/20/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231020.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/20/2023 in txt file.

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