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: 3/1/2023
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 03/03/2023 15:18:42 70.10, -53.41 76.89 03/03/2023 15:19:14 70.09, -53.37 76.87 1.83 32
2 03/03/2023 16:09:23 -69.95, 114.12 103.28 03/03/2023 16:08:44 -69.98, 114.11 103.25 2.91 39
3 03/06/2023 06:44:59 -70.55,-105.66 103.66 03/06/2023 06:46:10 -70.42,-104.66 103.85 39.91 71
4 03/06/2023 07:35:35 70.02, 62.48 75.77 03/06/2023 07:35:42 70.04, 62.44 75.78 2.43 7
5 03/06/2023 08:26:17 -69.92,-130.07 104.35 03/06/2023 08:25:12 -69.93,-130.08 104.34 0.77 65
6 03/08/2023 23:01:45 -70.11, 10.79 105.17 03/08/2023 23:02:42 -70.10, 10.77 105.19 1.12 57
7 03/08/2023 23:52:29 70.00, 178.26 74.71 03/08/2023 23:52:09 69.99, 178.26 74.69 1.58 20
8 03/09/2023 00:42:57 -69.22, -13.27 106.14 03/09/2023 00:41:49 -69.28, -15.07 106.00 71.22 68
9 03/11/2023 15:18:37 -70.05, 126.65 106.29 03/11/2023 15:19:07 -70.07, 126.62 106.28 2.28 30
10 03/11/2023 16:09:21 69.95, -65.89 73.59 03/11/2023 16:08:34 69.96, -65.90 73.61 0.76 47
11 03/14/2023 06:44:50 70.22, 74.85 72.84 03/14/2023 06:46:01 70.21, 75.08 72.81 8.69 71
12 03/14/2023 07:35:30 -70.01,-117.52 107.39 03/14/2023 07:35:33 -70.00,-117.59 107.41 3.31 3
13 03/14/2023 08:26:13 69.86, 50.03 72.43 03/14/2023 08:25:00 69.88, 49.89 72.47 5.78 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230301.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/01/2023 in txt file.

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