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: 5/29/2023
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 05/30/2023 15:17:46 -70.13, 126.58 131.73 05/30/2023 15:18:29 -70.14, 126.65 131.73 2.88 43
2 05/30/2023 16:08:30 70.01, -65.92 48.14 05/30/2023 16:07:57 69.98, -65.93 48.12 2.41 33
3 06/02/2023 06:44:11 70.83, 73.92 48.63 06/02/2023 06:45:19 70.73, 75.75 48.48 67.98 68
4 06/02/2023 07:34:40 -70.06,-117.54 132.18 06/02/2023 07:34:59 -70.07,-117.58 132.17 1.76 19
5 06/02/2023 08:25:24 69.94, 49.95 47.70 06/02/2023 08:24:26 69.96, 49.91 47.72 2.81 58
6 06/04/2023 23:00:52 70.14,-169.21 47.59 06/04/2023 23:01:57 70.13,-169.25 47.58 1.49 65
7 06/04/2023 23:51:34 -70.05, -1.76 132.51 06/04/2023 23:51:27 -70.02, -1.77 132.54 2.44 7
8 06/05/2023 00:42:11 69.56, 166.28 46.98 06/05/2023 00:41:00 69.58, 165.27 47.04 39.17 71
9 06/07/2023 15:17:47 70.13, -53.44 47.31 06/07/2023 15:18:25 70.12, -53.39 47.29 2.51 38
10 06/07/2023 16:08:28 -69.99, 114.10 132.85 06/07/2023 16:07:55 -70.01, 114.10 132.82 3.09 33
11 06/10/2023 06:44:08 -70.77,-105.99 132.25 06/10/2023 06:45:17 -70.69,-104.32 132.39 62.07 69
12 06/10/2023 07:34:41 70.09, 62.40 47.03 06/10/2023 07:34:53 70.09, 62.44 47.03 1.55 12
13 06/10/2023 08:25:23 -69.99,-130.13 133.08 06/10/2023 08:24:23 -69.98,-130.07 133.08 2.54 60

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230529.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/29/2023 in txt file.

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