Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/18/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 08/20/2023 00:16:05 69.99, 172.10 57.37 08/20/2023 00:16:40 70.00, 172.16 57.37 2.80 35
2 08/20/2023 01:06:46 -69.85, -20.37 122.77 08/20/2023 01:06:11 -69.84, -20.44 122.78 2.69 35
3 08/22/2023 15:42:27 -70.58, 119.64 121.15 08/22/2023 15:43:37 -70.45, 121.03 121.33 53.78 70
4 08/22/2023 16:33:01 69.93, -72.05 58.19 08/22/2023 16:33:11 69.96, -72.03 58.21 3.02 10
5 08/22/2023 17:23:43 -69.84, 95.40 121.89 08/22/2023 17:22:41 -69.85, 95.46 121.88 2.47 62
6 08/25/2023 07:59:13 -70.00,-123.70 120.85 08/25/2023 08:00:15 -69.99,-123.74 120.86 1.46 62
7 08/25/2023 08:49:57 69.88, 43.78 59.05 08/25/2023 08:49:42 69.88, 43.75 59.05 1.31 15
8 08/25/2023 09:40:30 -69.31,-148.07 121.54 08/25/2023 09:39:20 -69.34,-149.36 121.46 50.42 70
9 08/28/2023 00:16:08 -69.95, -7.87 119.97 08/28/2023 00:16:44 -69.95, -7.91 119.97 1.66 36
10 08/28/2023 01:06:52 69.84, 159.61 59.93 08/28/2023 01:06:11 69.84, 159.57 59.93 1.52 41
11 08/30/2023 15:42:29 70.38, -60.08 61.41 08/30/2023 15:43:39 70.26, -59.22 61.26 34.64 70
12 08/30/2023 16:33:04 -69.91, 107.95 119.07 08/30/2023 16:33:13 -69.94, 107.95 119.04 3.32 9
13 08/30/2023 17:23:48 69.80, -84.57 60.83 08/30/2023 17:22:40 69.82, -84.56 60.86 3.02 68

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/18/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230818.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 08/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8