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: 6/6/2023
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 06/07/2023 15:17:47 70.11, -53.40 47.28 06/07/2023 15:18:25 70.13, -53.37 47.30 2.64 38
2 06/07/2023 16:08:29 -70.03, 114.04 132.81 06/07/2023 16:07:55 -70.01, 114.10 132.82 2.56 34
3 06/10/2023 06:44:07 -70.76,-105.97 132.27 06/10/2023 06:45:16 -70.68,-104.33 132.40 60.84 69
4 06/10/2023 07:34:40 70.06, 62.44 47.01 06/10/2023 07:34:52 70.09, 62.45 47.03 2.65 12
5 06/10/2023 08:25:22 -69.97,-130.11 133.09 06/10/2023 08:24:22 -69.97,-130.08 133.09 1.31 60
6 06/12/2023 23:00:50 -70.14, 10.78 133.10 06/12/2023 23:01:53 -70.13, 10.74 133.11 2.04 63
7 06/12/2023 23:51:34 70.02, 178.27 46.79 06/12/2023 23:51:20 70.02, 178.23 46.78 1.55 14
8 06/13/2023 00:42:07 -69.46, -13.58 133.81 06/13/2023 00:40:57 -69.52, -14.82 133.70 48.71 70
9 06/15/2023 15:17:44 -70.10, 126.61 133.26 06/15/2023 15:18:20 -70.09, 126.57 133.28 1.67 36
10 06/15/2023 16:08:28 69.99, -65.92 46.62 06/15/2023 16:07:47 69.98, -65.94 46.62 1.74 41
11 06/18/2023 06:44:02 70.49, 74.46 47.07 06/18/2023 06:45:13 70.35, 75.20 46.90 31.64 71
12 06/18/2023 07:34:38 -70.07,-117.58 133.37 06/18/2023 07:34:46 -70.09,-117.55 133.36 1.94 8
13 06/18/2023 08:25:22 69.97, 49.89 46.52 06/18/2023 08:24:13 69.97, 49.93 46.53 1.69 69

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/6/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230607.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/06/2023 in txt file.

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