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: 2/17/2023
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 -70.10, 7.66 98.41 02/18/2023 23:15:17 -70.09, 7.64 98.42 0.87 43
2 02/19/2023 00:05:18 69.97, 175.15 81.46 02/19/2023 00:04:44 69.99, 175.14 81.47 1.24 34
3 02/21/2023 14:40:57 70.52, -44.58 81.10 02/21/2023 14:42:08 70.41, -43.64 80.93 37.18 71
4 02/21/2023 15:31:32 -70.06, 123.47 99.40 02/21/2023 15:31:42 -70.07, 123.51 99.40 2.05 10
5 02/21/2023 16:22:16 69.95, -69.05 80.46 02/21/2023 16:21:09 69.96, -69.00 80.49 2.85 67
6 02/24/2023 06:57:47 70.09, 71.87 79.66 02/24/2023 06:58:37 70.11, 71.83 79.67 3.14 50
7 02/24/2023 07:48:28 -69.99,-120.66 100.46 02/24/2023 07:48:06 -70.00,-120.69 100.45 1.69 22
8 02/24/2023 08:38:55 68.97, 48.12 78.46 02/24/2023 08:37:49 69.00, 45.61 78.61 99.83 66
9 02/26/2023 22:24:14 -70.92, 18.99 100.45 02/26/2023 22:25:21 -70.81, 21.11 100.66 78.67 67
10 02/26/2023 23:14:44 70.08,-172.36 78.65 02/26/2023 23:14:59 70.09,-172.29 78.65 2.58 15
11 02/27/2023 00:05:26 -69.98, -4.89 101.47 02/27/2023 00:04:29 -69.98, -4.82 101.47 2.74 57
12 03/01/2023 14:40:57 -70.14, 136.00 102.29 03/01/2023 14:41:55 -70.13, 136.03 102.31 1.43 58
13 03/01/2023 15:31:41 70.04, -56.53 77.59 03/01/2023 15:31:22 70.01, -56.50 77.56 3.11 19

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/17/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230217.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/17/2023 in txt file.

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