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: 10/12/2023
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 10/14/2023 06:57:59 -70.09,-108.09 101.95 10/14/2023 06:58:38 -70.10,-108.15 101.93 2.84 39
2 10/14/2023 07:48:44 70.02, 59.32 78.00 10/14/2023 07:48:05 70.00, 59.35 77.98 2.25 39
3 10/16/2023 22:24:21 70.88,-160.88 79.83 10/16/2023 22:25:28 70.77,-158.92 79.72 72.70 67
4 10/16/2023 23:14:49 -70.06, 7.74 100.99 10/16/2023 23:15:09 -70.06, 7.67 100.98 2.58 20
5 10/17/2023 00:05:33 69.94, 175.22 78.91 10/17/2023 00:04:36 69.96, 175.16 78.93 2.89 57
6 10/19/2023 14:40:57 70.18, -43.98 80.10 10/19/2023 14:42:07 70.19, -43.90 80.11 3.03 70
7 10/19/2023 15:31:38 -70.05, 123.55 100.03 10/19/2023 15:31:38 -70.03, 123.50 100.05 2.64 0
8 10/19/2023 16:22:19 69.77, -68.74 79.72 10/19/2023 16:21:06 69.86, -69.09 79.81 16.79 73
9 10/22/2023 06:57:46 70.14, 71.88 81.01 10/22/2023 06:58:36 70.16, 71.93 81.03 2.94 50
10 10/22/2023 07:48:27 -70.00,-120.59 99.12 10/22/2023 07:48:07 -70.00,-120.66 99.12 2.81 20
11 10/22/2023 08:38:55 69.03, 48.11 79.94 10/22/2023 08:37:49 69.05, 45.71 79.95 95.42 66
12 10/24/2023 23:14:35 70.10,-172.27 81.92 10/24/2023 23:15:04 70.13,-172.22 81.94 3.41 29
13 10/25/2023 00:05:16 -69.96, -4.74 98.22 10/25/2023 00:04:35 -69.97, -4.81 98.21 3.06 41

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/12/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231012.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/12/2023 in txt file.

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