Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/8/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 03/08/2023 23:01:44 -70.09, 10.83 105.20 03/08/2023 23:02:41 -70.10, 10.76 105.20 2.61 57
2 03/08/2023 23:52:28 69.97, 178.31 74.67 03/08/2023 23:52:08 69.99, 178.26 74.69 2.77 20
3 03/09/2023 00:42:58 -69.25, -13.32 106.11 03/09/2023 00:41:49 -69.27, -15.09 106.00 69.67 69
4 03/11/2023 15:18:36 -70.05, 126.66 106.30 03/11/2023 15:19:05 -70.07, 126.62 106.28 3.18 29
5 03/11/2023 16:09:20 69.93, -65.86 73.58 03/11/2023 16:08:32 69.96, -65.89 73.61 3.18 48
6 03/14/2023 06:44:48 70.17, 74.93 72.79 03/14/2023 06:45:59 70.15, 74.99 72.75 3.47 71
7 03/14/2023 07:35:29 -70.02,-117.53 107.38 03/14/2023 07:35:29 -70.04,-117.53 107.37 1.63 0
8 03/14/2023 08:26:10 69.75, 50.18 72.33 03/14/2023 08:24:58 69.81, 49.80 72.41 15.92 72
9 03/16/2023 23:01:40 70.11,-169.21 71.67 03/16/2023 23:02:22 70.10,-169.17 71.65 2.05 42
10 03/16/2023 23:52:22 -70.01, -1.74 108.45 03/16/2023 23:51:52 -69.99, -1.69 108.47 3.24 30
11 03/19/2023 14:27:59 -70.75, 138.24 108.71 03/19/2023 14:29:08 -70.66, 139.92 108.87 62.30 69
12 03/19/2023 15:18:32 70.07, -53.38 70.56 03/19/2023 15:18:44 70.05, -53.33 70.53 3.17 12
13 03/19/2023 16:09:13 -69.92, 114.17 109.62 03/19/2023 16:08:14 -69.94, 114.15 109.59 2.59 59

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/8/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230308.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/08/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9