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: 12/12/2023
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 12/13/2023 23:51:40 -69.93, -1.81 86.98 12/13/2023 23:52:20 -69.91, -1.83 87.01 2.77 40
2 12/14/2023 00:42:24 69.82, 165.67 92.91 12/14/2023 00:41:47 69.80, 165.67 92.89 1.58 37
3 12/16/2023 15:18:04 70.56, -54.33 93.81 12/16/2023 15:19:13 70.44, -52.83 93.66 57.51 69
4 12/16/2023 16:08:35 -69.88, 114.03 86.89 12/16/2023 16:08:51 -69.89, 114.02 86.88 1.12 16
5 12/16/2023 16:59:19 69.77, -78.49 93.01 12/16/2023 16:58:18 69.79, -78.48 93.02 1.56 61
6 12/19/2023 07:34:47 69.94, 62.40 93.27 12/19/2023 07:35:51 69.97, 62.36 93.29 3.23 64
7 12/19/2023 08:25:29 -69.84,-130.13 86.84 12/19/2023 08:25:21 -69.86,-130.15 86.82 2.24 8
8 12/19/2023 09:16:05 69.31, 37.95 92.62 12/19/2023 09:14:55 69.36, 36.82 92.70 44.85 70
9 12/21/2023 23:51:42 69.90, 178.23 93.27 12/21/2023 23:52:22 69.91, 178.17 93.27 2.49 40
10 12/22/2023 00:42:24 -69.80, -14.31 86.84 12/22/2023 00:41:52 -69.81, -14.34 86.83 1.45 32
11 12/24/2023 15:18:07 -70.71, 125.42 85.92 12/24/2023 15:19:15 -70.56, 127.33 86.12 72.65 68
12 12/24/2023 16:08:37 69.87, -65.96 93.22 12/24/2023 16:08:52 69.90, -65.98 93.24 2.86 15
13 12/24/2023 16:59:19 -69.77, 101.51 86.89 12/24/2023 16:58:22 -69.80, 101.52 86.86 2.92 57

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/12/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231212.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/12/2023 in txt file.

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