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: 2/21/2023
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 02/23/2023 15:18:41 -70.07, 126.65 100.12 02/23/2023 15:19:17 -70.10, 126.64 100.10 2.94 36
2 02/23/2023 16:09:25 69.96, -65.87 79.75 02/23/2023 16:08:45 69.94, -65.94 79.74 3.36 40
3 02/26/2023 06:44:59 70.41, 74.57 79.26 02/26/2023 06:46:09 70.33, 75.24 79.14 26.75 70
4 02/26/2023 07:35:36 -70.05,-117.56 101.14 02/26/2023 07:35:42 -70.05,-117.52 101.14 1.37 6
5 02/26/2023 08:26:20 69.94, 49.92 78.74 02/26/2023 08:25:09 69.95, 49.97 78.75 1.96 71
6 02/28/2023 23:01:47 70.09,-169.17 77.91 02/28/2023 23:02:36 70.09,-169.21 77.90 1.70 49
7 02/28/2023 23:52:29 -69.99, -1.70 102.21 02/28/2023 23:52:06 -69.98, -1.73 102.23 2.29 23
8 03/03/2023 14:28:13 -70.98, 137.86 102.16 03/03/2023 14:29:20 -70.85, 140.18 102.40 85.57 67
9 03/03/2023 15:18:41 70.04, -53.33 76.83 03/03/2023 15:19:00 70.03, -53.39 76.81 2.98 19
10 03/03/2023 16:09:23 -69.94, 114.14 103.29 03/03/2023 16:08:30 -69.92, 114.09 103.31 3.28 53
11 03/06/2023 06:44:51 -70.11,-104.97 104.13 03/06/2023 06:45:56 -70.11,-105.02 104.14 1.98 65
12 03/06/2023 07:35:35 70.01, 62.49 75.75 03/06/2023 07:35:23 69.99, 62.46 75.74 2.17 12
13 03/06/2023 08:26:10 -69.53,-129.49 104.76 03/06/2023 08:24:59 -69.55,-130.51 104.69 39.74 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/21/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230221.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/21/2023 in txt file.

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