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: 2/18/2023
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 02/18/2023 23:14:34 -70.11, 7.63 98.39 02/18/2023 23:15:17 -70.08, 7.63 98.43 3.12 43
2 02/19/2023 00:05:18 69.99, 175.13 81.47 02/19/2023 00:04:44 69.98, 175.13 81.47 1.00 34
3 02/21/2023 14:40:57 70.54, -44.59 81.12 02/21/2023 14:42:08 70.42, -43.62 80.95 38.30 71
4 02/21/2023 15:31:31 -70.02, 123.53 99.45 02/21/2023 15:31:43 -70.03, 123.45 99.44 3.16 12
5 02/21/2023 16:22:16 69.96, -69.07 80.48 02/21/2023 16:21:10 69.93, -69.05 80.46 3.34 66
6 02/24/2023 06:57:47 70.09, 71.86 79.66 02/24/2023 06:58:38 70.11, 71.82 79.67 2.18 51
7 02/24/2023 07:48:29 -70.00,-120.67 100.46 02/24/2023 07:48:08 -70.00,-120.70 100.45 1.15 21
8 02/24/2023 08:38:56 68.98, 48.11 78.47 02/24/2023 08:37:50 69.05, 45.68 78.66 97.14 66
9 02/26/2023 22:24:16 -70.98, 18.89 100.39 02/26/2023 22:25:23 -70.85, 21.17 100.62 84.02 67
10 02/26/2023 23:14:45 70.09,-172.36 78.66 02/26/2023 23:15:02 70.08,-172.32 78.64 1.80 17
11 02/27/2023 00:05:27 -69.99, -4.89 101.47 02/27/2023 00:04:32 -69.97, -4.84 101.48 2.68 55
12 03/01/2023 14:40:57 -70.14, 136.01 102.29 03/01/2023 14:41:58 -70.12, 136.00 102.33 2.32 61
13 03/01/2023 15:31:41 70.04, -56.53 77.59 03/01/2023 15:31:25 70.00, -56.52 77.55 3.68 16
14 03/01/2023 16:22:13 -69.40, 111.73 103.10 03/01/2023 16:21:03 -69.46, 110.36 102.98 53.80 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230218.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/18/2023 in txt file.

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