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: 10/18/2023
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 10/20/2023 07:59:09 70.08, 56.14 80.26 10/20/2023 08:00:20 70.05, 56.33 80.22 8.09 71
2 10/20/2023 08:49:49 -69.88,-136.25 99.93 10/20/2023 08:49:51 -69.88,-136.27 99.94 0.69 2
3 10/20/2023 09:40:32 69.71, 31.30 79.92 10/20/2023 09:39:19 69.72, 31.15 79.92 5.86 73
4 10/23/2023 00:15:59 69.96, 172.09 81.09 10/23/2023 00:16:48 69.98, 172.13 81.11 3.06 49
5 10/23/2023 01:06:41 -69.87, -20.45 99.00 10/23/2023 01:06:18 -69.87, -20.39 98.99 2.55 23
6 10/23/2023 01:57:07 68.80, 148.38 79.96 10/23/2023 01:56:01 68.88, 145.94 80.03 98.40 66
7 10/25/2023 16:32:50 69.91, -72.05 81.97 10/25/2023 16:33:15 69.94, -72.04 82.00 2.81 25
8 10/25/2023 17:23:32 -69.81, 95.41 98.12 10/25/2023 17:22:45 -69.83, 95.45 98.10 2.11 47
9 10/28/2023 07:59:00 -70.19,-124.00 96.86 10/28/2023 08:00:11 -70.13,-123.51 96.91 19.26 71
10 10/28/2023 08:49:40 69.88, 43.79 82.85 10/28/2023 08:49:40 69.91, 43.81 82.88 3.31 0
11 10/28/2023 09:40:22 -69.78,-148.75 97.25 10/28/2023 09:39:10 -69.80,-148.70 97.22 3.31 72
12 10/31/2023 00:15:47 -69.95, -7.85 96.21 10/31/2023 00:16:39 -69.95, -7.86 96.21 0.56 52
13 10/31/2023 01:06:31 69.86, 159.60 83.71 10/31/2023 01:06:06 69.83, 159.61 83.69 2.44 25

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/18/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231018.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/18/2023 in txt file.

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