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: 5/23/2023
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,-104.10 130.20 78.92 67
2 05/25/2023 07:34:41 70.07, 62.44 49.08 05/25/2023 07:34:57 70.06, 62.43 49.06 2.08 16
3 05/25/2023 08:25:21 -69.94,-130.03 131.07 05/25/2023 08:24:26 -69.94,-130.10 131.07 2.35 55
4 05/27/2023 23:00:50 -70.11, 10.84 131.34 05/27/2023 23:01:55 -70.12, 10.77 131.33 2.80 65
5 05/27/2023 23:51:35 70.04, 178.25 48.59 05/27/2023 23:51:22 70.02, 178.27 48.56 3.26 13
6 05/28/2023 00:42:09 -69.54, -13.68 131.94 05/28/2023 00:40:58 -69.57, -14.71 131.88 40.37 71
7 05/30/2023 15:17:45 -70.09, 126.64 131.78 05/30/2023 15:18:20 -70.11, 126.65 131.76 2.76 35
8 05/30/2023 16:08:29 69.97, -65.87 48.10 05/30/2023 16:07:47 70.00, -65.86 48.13 3.50 42
9 06/02/2023 06:44:02 70.38, 74.65 48.16 06/02/2023 06:45:13 70.29, 75.17 48.06 21.50 71
10 06/02/2023 07:34:40 -70.07,-117.56 132.16 06/02/2023 07:34:45 -70.08,-117.51 132.16 1.98 5
11 06/02/2023 08:25:24 69.96, 49.92 47.72 06/02/2023 08:24:12 69.96, 49.97 47.72 2.13 72
12 06/04/2023 23:00:52 70.11,-169.17 47.56 06/04/2023 23:01:40 70.11,-169.20 47.56 1.23 48
13 06/04/2023 23:51:34 -70.01, -1.71 132.55 06/04/2023 23:51:10 -70.01, -1.71 132.55 0.60 24

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/23/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230523.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/23/2023 in txt file.

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