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: 8/8/2023
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 08/09/2023 07:59:17 -70.00,-123.71 125.90 08/09/2023 08:00:06 -70.00,-123.72 125.91 0.46 49
2 08/09/2023 08:50:01 69.89, 43.77 54.00 08/09/2023 08:49:33 69.90, 43.78 54.01 0.80 28
3 08/09/2023 09:40:25 -68.85,-147.42 127.09 08/09/2023 09:39:19 -68.90,-149.91 126.92 99.78 66
4 08/11/2023 23:25:44 71.01,-176.85 55.94 08/11/2023 23:26:50 70.90,-174.14 55.73 99.15 66
5 08/12/2023 00:16:08 -69.97, -7.87 125.15 08/12/2023 00:16:35 -69.97, -7.88 125.16 0.23 27
6 08/12/2023 01:06:52 69.86, 159.60 54.75 08/12/2023 01:06:02 69.86, 159.62 54.75 0.67 50
7 08/14/2023 15:42:19 70.20, -59.76 55.89 08/14/2023 15:43:31 70.12, -59.40 55.79 15.78 72
8 08/14/2023 16:32:58 -69.95, 107.95 124.37 08/14/2023 16:33:02 -69.96, 108.00 124.36 2.91 4
9 08/14/2023 17:23:41 69.78, -84.51 55.48 08/14/2023 17:22:30 69.79, -84.58 55.50 3.18 71
10 08/17/2023 07:59:07 70.03, 56.29 56.55 08/17/2023 08:00:00 70.03, 56.36 56.54 2.70 53
11 08/17/2023 08:49:48 -69.88,-136.17 123.60 08/17/2023 08:49:31 -69.87,-136.23 123.60 2.32 17
12 08/17/2023 09:40:18 69.03, 32.36 55.53 08/17/2023 09:39:10 69.09, 30.37 55.67 79.55 68
13 08/20/2023 00:15:57 69.97, 172.16 57.35 08/20/2023 00:16:28 69.97, 172.16 57.34 0.12 31
14 08/20/2023 01:06:39 -69.87, -20.37 122.75 08/20/2023 01:05:58 -69.87, -20.34 122.75 1.15 41

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 8/8/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230808.jpg

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

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