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: 10/4/2023
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 10/06/2023 06:07:44 -71.00, -96.91 104.06 10/06/2023 06:08:51 -70.88, -94.62 104.20 84.24 67
2 10/06/2023 06:58:13 70.09, 71.86 75.03 10/06/2023 06:58:31 70.07, 71.82 75.01 3.06 18
3 10/06/2023 07:48:54 -69.96,-120.63 105.09 10/06/2023 07:48:01 -69.96,-120.70 105.09 2.67 53
4 10/08/2023 22:24:21 -70.25, 20.09 103.80 10/08/2023 22:25:33 -70.23, 20.29 103.82 7.92 72
5 10/08/2023 23:15:04 70.08,-172.34 76.04 10/08/2023 23:15:01 70.07,-172.30 76.03 1.75 3
6 10/09/2023 00:05:45 -69.94, -4.82 104.08 10/09/2023 00:04:31 -69.97, -4.81 104.06 2.46 74
7 10/11/2023 14:41:10 -70.14, 136.04 102.90 10/11/2023 14:42:04 -70.15, 136.05 102.89 1.04 54
8 10/11/2023 15:31:54 70.02, -56.47 77.00 10/11/2023 15:31:31 70.04, -56.46 77.01 1.61 23
9 10/11/2023 16:22:22 -69.20, 112.05 103.82 10/11/2023 16:21:14 -69.22, 110.05 103.80 78.74 68
10 10/14/2023 06:57:59 -70.09,-108.10 101.94 10/14/2023 06:58:33 -70.08,-108.17 101.96 3.27 34
11 10/14/2023 07:48:43 69.98, 59.38 77.96 10/14/2023 07:48:00 69.96, 59.31 77.94 3.30 43
12 10/16/2023 22:24:15 70.57,-160.38 79.52 10/16/2023 22:25:25 70.50,-159.30 79.45 41.02 70
13 10/16/2023 23:14:49 -70.06, 7.74 100.99 10/16/2023 23:15:01 -70.07, 7.71 100.98 1.54 12
14 10/17/2023 00:05:33 69.95, 175.21 78.92 10/17/2023 00:04:28 69.95, 175.19 78.92 0.81 65

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/4/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231004.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/04/2023 in txt file.

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