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: 2/15/2023
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 02/16/2023 06:57:38 -70.28,-108.38 97.28 02/16/2023 06:58:49 -70.25,-108.02 97.33 13.73 71
2 02/16/2023 07:48:20 70.06, 59.27 82.48 02/16/2023 07:48:18 70.04, 59.32 82.46 2.75 2
3 02/16/2023 08:39:01 -69.92,-133.20 97.68 02/16/2023 08:37:48 -69.92,-133.21 97.66 0.69 73
4 02/18/2023 23:14:27 -70.09, 7.69 98.41 02/18/2023 23:15:17 -70.08, 7.63 98.43 2.76 50
5 02/19/2023 00:05:11 69.98, 175.16 81.47 02/19/2023 00:04:44 69.97, 175.12 81.46 1.93 27
6 02/19/2023 00:55:36 -68.99, -16.09 99.59 02/19/2023 00:54:29 -69.03, -18.51 99.44 96.60 67
7 02/21/2023 14:40:53 70.97, -45.25 81.57 02/21/2023 14:42:00 70.85, -42.98 81.35 83.62 67
8 02/21/2023 15:31:20 -70.08, 123.49 99.38 02/21/2023 15:31:42 -70.08, 123.52 99.39 1.22 22
9 02/21/2023 16:22:04 69.97, -69.04 80.49 02/21/2023 16:21:09 69.97, -68.99 80.50 1.96 55
10 02/24/2023 06:57:30 70.13, 71.88 79.70 02/24/2023 06:58:37 70.14, 71.87 79.70 1.21 67
11 02/24/2023 07:48:12 -70.03,-120.65 100.42 02/24/2023 07:48:07 -70.03,-120.65 100.42 0.23 5
12 02/24/2023 08:38:50 69.61, 47.29 79.13 02/24/2023 08:37:39 69.64, 46.45 79.20 32.64 71
13 02/26/2023 23:14:22 70.09,-172.28 78.66 02/26/2023 23:15:01 70.09,-172.30 78.65 0.87 39
14 02/27/2023 00:05:04 -69.99, -4.80 101.46 02/27/2023 00:04:31 -69.98, -4.82 101.47 0.95 33

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/15/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230215.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/15/2023 in txt file.

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