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: 10/8/2023
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 10/08/2023 22:24:21 -70.25, 20.09 103.80 10/08/2023 22:25:33 -70.22, 20.27 103.84 7.63 72
2 10/08/2023 23:15:04 70.07,-172.33 76.04 10/08/2023 23:15:01 70.06,-172.32 76.02 1.66 3
3 10/09/2023 00:05:44 -69.89, -4.74 104.14 10/09/2023 00:04:32 -69.89, -4.91 104.14 6.69 72
4 10/11/2023 14:41:09 -70.14, 136.04 102.90 10/11/2023 14:42:02 -70.16, 136.07 102.88 2.73 53
5 10/11/2023 15:31:53 70.02, -56.46 77.00 10/11/2023 15:31:30 70.00, -56.51 76.98 2.76 23
6 10/11/2023 16:22:20 -69.15, 112.12 103.87 10/11/2023 16:21:12 -69.23, 110.07 103.78 81.48 68
7 10/14/2023 06:57:59 -70.09,-108.10 101.94 10/14/2023 06:58:31 -70.11,-108.11 101.92 2.24 32
8 10/14/2023 07:48:43 69.98, 59.38 77.96 10/14/2023 07:47:58 70.00, 59.38 77.98 3.06 45
9 10/16/2023 22:24:14 70.52,-160.29 79.47 10/16/2023 22:25:25 70.40,-159.44 79.35 34.41 71
10 10/16/2023 23:14:49 -70.06, 7.73 100.98 10/16/2023 23:14:59 -70.07, 7.72 100.97 1.38 10
11 10/17/2023 00:05:33 69.95, 175.21 78.92 10/17/2023 00:04:26 69.96, 175.21 78.93 1.42 67
12 10/19/2023 14:40:57 70.13, -43.90 80.05 10/19/2023 14:41:56 70.15, -43.91 80.06 1.54 59
13 10/19/2023 15:31:39 -70.04, 123.55 100.03 10/19/2023 15:31:26 -70.04, 123.57 100.03 0.84 13
14 10/19/2023 16:22:12 69.35, -68.12 79.30 10/19/2023 16:21:03 69.37, -69.70 79.31 61.97 69

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/8/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231008.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/08/2023 in txt file.

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