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: 8/19/2024
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 08/20/2024 14:28:34 70.10, -40.85 57.92 08/20/2024 14:29:15 70.12, -40.89 57.93 2.66 41
2 08/20/2024 15:19:16 -70.00, 126.62 122.18 08/20/2024 15:18:45 -70.01, 126.59 122.16 1.81 31
3 08/23/2024 05:55:00 -71.04, -93.89 120.22 08/23/2024 05:56:06 -70.97, -91.40 120.37 90.54 66
4 08/23/2024 06:45:28 70.10, 74.93 58.82 08/23/2024 06:45:47 70.10, 74.95 58.81 0.88 19
5 08/23/2024 07:36:10 -70.00,-117.59 121.28 08/23/2024 07:35:17 -69.99,-117.57 121.29 1.34 53
6 08/25/2024 22:11:38 -70.27, 23.15 120.11 08/25/2024 22:12:49 -70.22, 23.37 120.17 9.92 71
7 08/25/2024 23:02:20 70.07,-169.23 59.70 08/25/2024 23:02:17 70.06,-169.22 59.69 1.09 3
8 08/25/2024 23:53:01 -69.91, -1.67 120.46 08/25/2024 23:51:47 -69.96, -1.74 120.41 5.38 74
9 08/28/2024 14:28:29 -70.15, 139.12 119.30 08/28/2024 14:29:20 -70.12, 139.10 119.33 3.41 51
10 08/28/2024 15:19:12 70.00, -53.34 60.57 08/28/2024 15:18:47 70.01, -53.41 60.57 2.59 25
11 08/28/2024 16:09:38 -69.05, 115.36 120.41 08/28/2024 16:08:31 -69.14, 113.04 120.26 92.56 67
12 08/31/2024 06:45:21 -70.10,-105.02 118.39 08/31/2024 06:45:48 -70.12,-105.01 118.39 1.35 27
13 08/31/2024 07:36:05 70.01, 62.44 61.53 08/31/2024 07:35:15 70.00, 62.47 61.52 1.59 50

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/19/2024
SNOs_Map_NOAA-21_LANDSAT-9_20240819.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/19/2024 in txt file.

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