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: 2/22/2023
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 15:18:42 -70.12, 126.58 100.07 02/23/2023 15:19:17 -70.11, 126.66 100.10 3.02 35
2 02/23/2023 16:09:25 69.95, -65.85 79.74 02/23/2023 16:08:45 69.95, -65.92 79.75 2.71 40
3 02/26/2023 06:44:58 70.40, 74.58 79.25 02/26/2023 06:46:09 70.29, 75.18 79.10 25.59 71
4 02/26/2023 07:35:35 -70.05,-117.55 101.15 02/26/2023 07:35:41 -70.06,-117.51 101.14 2.09 6
5 02/26/2023 08:26:19 69.93, 49.93 78.73 02/26/2023 08:25:08 69.95, 49.98 78.76 2.94 71
6 02/28/2023 23:01:47 70.08,-169.15 77.90 02/28/2023 23:02:36 70.09,-169.20 77.90 2.41 49
7 02/28/2023 23:52:29 -69.99, -1.69 102.22 02/28/2023 23:52:06 -69.98, -1.73 102.22 1.43 23
8 03/03/2023 14:28:13 -70.98, 137.87 102.17 03/03/2023 14:29:20 -70.86, 140.18 102.39 85.11 67
9 03/03/2023 15:18:41 70.03, -53.31 76.82 03/03/2023 15:19:00 70.03, -53.39 76.82 2.76 19
10 03/03/2023 16:09:23 -69.93, 114.15 103.30 03/03/2023 16:08:30 -69.92, 114.09 103.30 2.49 53
11 03/06/2023 06:44:51 -70.10,-104.96 104.14 03/06/2023 06:45:56 -70.11,-105.02 104.14 2.80 65
12 03/06/2023 07:35:35 69.99, 62.51 75.74 03/06/2023 07:35:23 69.99, 62.46 75.74 1.79 12
13 03/06/2023 08:26:10 -69.52,-129.48 104.77 03/06/2023 08:24:59 -69.56,-130.50 104.69 40.16 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/22/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230223.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/22/2023 in txt file.

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