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: 3/5/2023
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 03/06/2023 06:44:59 -70.56,-105.68 103.65 03/06/2023 06:46:09 -70.45,-104.61 103.82 41.72 70
2 03/06/2023 07:35:35 70.03, 62.46 75.78 03/06/2023 07:35:42 70.02, 62.41 75.77 2.41 7
3 03/06/2023 08:26:17 -69.94,-130.09 104.33 03/06/2023 08:25:11 -69.96,-130.04 104.31 2.67 66
4 03/08/2023 23:01:45 -70.13, 10.76 105.15 03/08/2023 23:02:41 -70.11, 10.79 105.18 2.00 56
5 03/08/2023 23:52:29 70.02, 178.24 74.72 03/08/2023 23:52:08 70.00, 178.28 74.71 2.06 21
6 03/09/2023 00:42:58 -69.24, -13.30 106.12 03/09/2023 00:41:49 -69.29, -15.06 105.99 69.57 69
7 03/11/2023 15:18:37 -70.08, 126.62 106.27 03/11/2023 15:19:06 -70.05, 126.59 106.30 2.83 29
8 03/11/2023 16:09:21 69.97, -65.91 73.61 03/11/2023 16:08:33 69.94, -65.92 73.59 3.26 48
9 03/14/2023 06:44:49 70.19, 74.90 72.81 03/14/2023 06:46:00 70.15, 75.00 72.76 5.46 71
10 03/14/2023 07:35:30 -70.04,-117.55 107.37 03/14/2023 07:35:30 -70.05,-117.52 107.36 1.77 0
11 03/14/2023 08:26:11 69.77, 50.15 72.35 03/14/2023 08:24:59 69.82, 49.81 72.42 14.11 72
12 03/16/2023 23:01:41 70.11,-169.21 71.67 03/16/2023 23:02:24 70.09,-169.18 71.64 2.37 43
13 03/16/2023 23:52:23 -70.01, -1.74 108.46 03/16/2023 23:51:54 -69.99, -1.70 108.48 3.00 29

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/5/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230305.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/05/2023 in txt file.

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