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: 5/25/2023
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 05/27/2023 23:00:51 -70.16, 10.77 131.29 05/27/2023 23:01:55 -70.14, 10.79 131.32 2.57 64
2 05/27/2023 23:51:35 70.04, 178.27 48.58 05/27/2023 23:51:22 70.03, 178.29 48.58 0.88 13
3 05/28/2023 00:42:09 -69.53, -13.67 131.95 05/28/2023 00:40:58 -69.59, -14.69 131.86 40.27 71
4 05/30/2023 15:17:45 -70.08, 126.66 131.78 05/30/2023 15:18:21 -70.08, 126.60 131.79 1.91 36
5 05/30/2023 16:08:29 69.96, -65.85 48.09 05/30/2023 16:07:48 69.97, -65.90 48.11 2.37 41
6 06/02/2023 06:44:02 70.37, 74.66 48.15 06/02/2023 06:45:14 70.28, 75.14 48.04 20.34 72
7 06/02/2023 07:34:40 -70.06,-117.55 132.17 06/02/2023 07:34:46 -70.06,-117.54 132.18 0.94 6
8 06/02/2023 08:25:24 69.95, 49.93 47.71 06/02/2023 08:24:13 69.94, 49.95 47.71 0.68 71
9 06/04/2023 23:00:51 70.10,-169.15 47.55 06/04/2023 23:01:40 70.11,-169.20 47.56 2.65 49
10 06/04/2023 23:51:33 -70.00, -1.69 132.56 06/04/2023 23:51:10 -70.01, -1.72 132.55 1.12 23
11 06/07/2023 14:27:17 -70.99, 137.87 131.79 06/07/2023 14:28:24 -70.91, 140.24 131.94 86.21 67
12 06/07/2023 15:17:46 70.10, -53.39 47.27 06/07/2023 15:18:04 70.09, -53.34 47.26 2.15 18
13 06/07/2023 16:08:28 -70.00, 114.08 132.83 06/07/2023 16:07:34 -69.98, 114.14 132.85 3.29 54

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230526.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/25/2023 in txt file.

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