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: 5/24/2023
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 05/25/2023 06:44:11 -70.93,-106.23 130.02 05/25/2023 06:45:18 -70.81,-104.09 130.20 78.97 67
2 05/25/2023 07:34:40 70.07, 62.45 49.08 05/25/2023 07:34:56 70.06, 62.44 49.06 1.52 16
3 05/25/2023 08:25:21 -69.94,-130.03 131.07 05/25/2023 08:24:26 -69.94,-130.09 131.06 2.25 55
4 05/27/2023 23:00:50 -70.11, 10.84 131.34 05/27/2023 23:01:55 -70.13, 10.78 131.33 3.01 65
5 05/27/2023 23:51:35 70.04, 178.26 48.59 05/27/2023 23:51:22 70.02, 178.28 48.57 2.22 13
6 05/28/2023 00:42:09 -69.54, -13.67 131.94 05/28/2023 00:40:58 -69.58, -14.70 131.87 40.16 71
7 05/30/2023 15:17:45 -70.09, 126.65 131.78 05/30/2023 15:18:21 -70.07, 126.59 131.80 2.66 36
8 05/30/2023 16:08:29 69.97, -65.87 48.10 05/30/2023 16:07:48 69.96, -65.92 48.10 2.13 41
9 06/02/2023 06:44:02 70.37, 74.65 48.16 06/02/2023 06:45:13 70.32, 75.20 48.08 21.32 71
10 06/02/2023 07:34:40 -70.07,-117.56 132.17 06/02/2023 07:34:46 -70.04,-117.56 132.19 2.93 6
11 06/02/2023 08:25:24 69.96, 49.92 47.72 06/02/2023 08:24:13 69.93, 49.93 47.70 2.83 71
12 06/04/2023 23:00:52 70.10,-169.16 47.55 06/04/2023 23:01:41 70.09,-169.23 47.54 2.77 49
13 06/04/2023 23:51:33 -70.01, -1.70 132.55 06/04/2023 23:51:10 -69.99, -1.75 132.57 2.89 23

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/24/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230524.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/24/2023 in txt file.

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