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: 8/17/2023
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 16:07:37 69.99, -65.77 56.93 08/18/2023 16:08:14 69.97, -65.79 56.91 2.07 37
2 08/18/2023 16:58:18 -69.85, 101.75 123.21 08/18/2023 16:57:44 -69.85, 101.68 123.20 2.93 34
3 08/21/2023 07:33:57 -70.52,-118.15 121.65 08/21/2023 07:35:07 -70.44,-116.87 121.78 48.40 70
4 08/21/2023 08:24:32 69.92, 50.08 57.74 08/21/2023 08:24:41 69.95, 50.08 57.77 3.21 9
5 08/21/2023 09:15:14 -69.84,-142.47 122.35 08/21/2023 09:14:11 -69.84,-142.45 122.34 0.95 63
6 08/23/2023 23:50:44 -69.99, -1.57 121.31 08/23/2023 23:51:42 -70.02, -1.58 121.29 3.42 58
7 08/24/2023 00:41:29 69.92, 165.84 58.63 08/24/2023 00:41:09 69.91, 165.91 58.62 2.95 20
8 08/24/2023 01:31:59 -69.20, -25.79 122.11 08/24/2023 01:30:49 -69.25, -27.35 122.00 61.95 70
9 08/26/2023 16:07:40 -69.94, 114.27 120.45 08/26/2023 16:08:10 -69.95, 114.22 120.44 2.55 30
10 08/26/2023 16:58:24 69.82, -78.25 59.44 08/26/2023 16:57:37 69.84, -78.29 59.47 2.76 47
11 08/29/2023 07:33:55 70.04, 62.55 60.59 08/29/2023 07:35:07 70.02, 62.57 60.55 2.64 72
12 08/29/2023 08:24:36 -69.89,-129.91 119.56 08/29/2023 08:24:37 -69.91,-129.94 119.54 2.55 1
13 08/29/2023 09:15:18 69.67, 37.73 60.23 08/29/2023 09:14:05 69.74, 37.47 60.31 12.68 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/17/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230817.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/17/2023 in txt file.

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