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: 8/16/2023
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 08/18/2023 16:07:33 70.01, -65.79 56.96 08/18/2023 16:08:13 70.02, -65.71 56.96 3.37 40
2 08/18/2023 16:58:14 -69.87, 101.74 123.18 08/18/2023 16:57:44 -69.85, 101.68 123.20 3.03 30
3 08/21/2023 07:33:54 -70.90,-118.73 121.25 08/21/2023 07:35:01 -70.77,-116.37 121.47 87.42 67
4 08/21/2023 08:24:22 69.95, 50.08 57.77 08/21/2023 08:24:41 69.95, 50.08 57.77 0.46 19
5 08/21/2023 09:15:04 -69.86,-142.47 122.32 08/21/2023 09:14:11 -69.84,-142.45 122.33 2.56 53
6 08/23/2023 23:50:30 -70.12, -1.69 121.18 08/23/2023 23:51:41 -70.08, -1.50 121.24 8.41 71
7 08/24/2023 00:41:12 69.90, 165.94 58.61 08/24/2023 00:41:09 69.91, 165.92 58.62 1.90 3
8 08/24/2023 01:31:53 -69.76, -26.53 121.53 08/24/2023 01:30:40 -69.75, -26.68 121.53 5.94 73
9 08/26/2023 16:07:19 -70.02, 114.24 120.37 08/26/2023 16:08:09 -70.01, 114.31 120.38 2.40 50
10 08/26/2023 16:58:03 69.91, -78.29 59.54 08/26/2023 16:57:36 69.90, -78.21 59.53 3.13 27
11 08/26/2023 17:48:28 -68.92, 90.45 121.48 08/26/2023 17:47:21 -68.97, 88.18 121.36 91.06 67
12 08/29/2023 08:24:09 -69.98,-129.91 119.47 08/29/2023 08:24:36 -69.98,-129.85 119.48 2.55 27
13 08/29/2023 09:14:52 69.82, 37.63 60.38 08/29/2023 09:14:04 69.81, 37.56 60.37 3.16 48

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/16/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230816.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/16/2023 in txt file.

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