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: 5/20/2023
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 05/22/2023 15:17:45 70.09, -53.35 49.60 05/22/2023 15:18:30 70.08, -53.41 49.59 2.44 45
2 05/22/2023 16:08:27 -70.01, 114.09 130.49 05/22/2023 16:07:59 -70.02, 114.14 130.48 2.12 28
3 05/25/2023 06:44:10 -70.91,-106.20 130.05 05/25/2023 06:45:18 -70.79,-104.14 130.22 76.39 68
4 05/25/2023 07:34:40 70.06, 62.47 49.06 05/25/2023 07:34:56 70.08, 62.47 49.08 2.88 16
5 05/25/2023 08:25:22 -69.97,-130.08 131.04 05/25/2023 08:24:26 -69.97,-130.06 131.04 1.03 56
6 05/27/2023 23:00:51 -70.14, 10.80 131.31 05/27/2023 23:01:55 -70.16, 10.83 131.29 2.57 64
7 05/27/2023 23:51:35 70.02, 178.28 48.57 05/27/2023 23:51:22 70.05, 178.32 48.60 3.35 13
8 05/28/2023 00:42:09 -69.51, -13.64 131.97 05/28/2023 00:40:58 -69.61, -14.66 131.84 41.00 71
9 05/30/2023 15:17:46 -70.11, 126.60 131.75 05/30/2023 15:18:21 -70.11, 126.64 131.76 1.55 35
10 05/30/2023 16:08:30 70.00, -65.91 48.13 05/30/2023 16:07:48 70.00, -65.87 48.13 1.68 42
11 06/02/2023 06:44:02 70.40, 74.61 48.19 06/02/2023 06:45:13 70.31, 75.18 48.07 23.98 71
12 06/02/2023 07:34:39 -70.04,-117.52 132.19 06/02/2023 07:34:46 -70.04,-117.57 132.20 2.17 7
13 06/02/2023 08:25:23 69.93, 49.96 47.69 06/02/2023 08:24:13 69.92, 49.91 47.68 2.35 70

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/20/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230520.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/20/2023 in txt file.

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