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: 10/10/2023
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 10/11/2023 14:41:09 -70.13, 136.06 102.91 10/11/2023 14:42:06 -70.15, 136.04 102.89 2.67 57
2 10/11/2023 15:31:54 70.06, -56.52 77.03 10/11/2023 15:31:33 70.04, -56.47 77.02 2.60 21
3 10/11/2023 16:22:23 -69.29, 111.92 103.72 10/11/2023 16:21:14 -69.33, 110.20 103.68 67.73 69
4 10/14/2023 06:57:59 -70.08,-108.09 101.95 10/14/2023 06:58:38 -70.11,-108.15 101.93 3.36 39
5 10/14/2023 07:48:44 70.02, 59.32 78.00 10/14/2023 07:48:05 70.00, 59.34 77.98 2.40 39
6 10/16/2023 22:24:21 70.87,-160.88 79.83 10/16/2023 22:25:28 70.77,-158.92 79.72 72.39 67
7 10/16/2023 23:14:49 -70.06, 7.74 100.99 10/16/2023 23:15:09 -70.07, 7.67 100.98 3.00 20
8 10/17/2023 00:05:33 69.94, 175.23 78.91 10/17/2023 00:04:36 69.95, 175.16 78.92 3.15 57
9 10/19/2023 14:40:57 70.18, -43.97 80.10 10/19/2023 14:42:07 70.19, -43.91 80.11 2.72 70
10 10/19/2023 15:31:38 -70.04, 123.56 100.03 10/19/2023 15:31:38 -70.03, 123.51 100.04 2.10 0
11 10/19/2023 16:22:19 69.77, -68.73 79.71 10/19/2023 16:21:06 69.86, -69.09 79.80 17.36 73
12 10/22/2023 06:57:46 70.13, 71.90 81.00 10/22/2023 06:58:36 70.15, 71.93 81.03 3.40 50
13 10/22/2023 07:48:28 -70.04,-120.65 99.08 10/22/2023 07:48:06 -70.06,-120.58 99.06 3.50 22

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/10/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231010.jpg

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

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