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: 11/9/2023
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 11/09/2023 22:24:18 -70.81, 19.21 92.32 11/09/2023 22:25:27 -70.71, 20.99 92.41 66.24 69
2 11/09/2023 23:14:50 70.06,-172.29 86.94 11/09/2023 23:15:04 70.06,-172.31 86.95 0.97 14
3 11/10/2023 00:05:32 -69.97, -4.84 93.14 11/10/2023 00:04:34 -69.95, -4.84 93.16 2.64 58
4 11/12/2023 14:41:02 -70.16, 136.01 92.22 11/12/2023 14:42:05 -70.16, 136.06 92.23 2.26 63
5 11/12/2023 15:31:46 70.04, -56.51 87.67 11/12/2023 15:31:32 70.05, -56.44 87.68 2.79 14
6 11/12/2023 16:22:20 -69.53, 111.57 92.84 11/12/2023 16:21:09 -69.56, 110.51 92.81 41.49 71
7 11/15/2023 06:57:58 -70.10,-108.14 91.58 11/15/2023 06:58:34 -70.10,-108.13 91.58 0.41 36
8 11/15/2023 07:48:42 69.99, 59.34 88.32 11/15/2023 07:48:01 69.99, 59.36 88.32 0.98 41
9 11/17/2023 22:24:18 70.47,-160.27 89.45 11/17/2023 22:25:28 70.37,-159.48 89.36 31.23 70
10 11/17/2023 23:14:54 -70.05, 7.69 90.96 11/17/2023 23:15:02 -70.04, 7.68 90.97 1.01 8
11 11/18/2023 00:05:38 69.94, 175.17 88.94 11/18/2023 00:04:29 69.93, 175.17 88.93 1.16 69
12 11/20/2023 14:41:08 70.12, -43.96 89.73 11/20/2023 14:41:59 70.09, -43.99 89.70 2.80 51
13 11/20/2023 15:31:50 -70.02, 123.51 90.37 11/20/2023 15:31:29 -69.99, 123.50 90.40 2.97 21

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/9/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231109.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/09/2023 in txt file.

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