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: 10/13/2023
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 10/15/2023 00:16:06 -69.95, -7.92 101.82 10/15/2023 00:16:55 -69.94, -7.95 101.83 2.10 49
2 10/15/2023 01:06:50 69.84, 159.56 78.08 10/15/2023 01:06:22 69.83, 159.54 78.08 0.81 28
3 10/17/2023 15:42:32 70.90, -60.96 80.12 10/17/2023 15:43:38 70.83, -58.40 80.04 93.77 66
4 10/17/2023 16:32:57 -69.91, 107.92 100.87 10/17/2023 16:33:23 -69.90, 107.87 100.89 2.52 26
5 10/17/2023 17:23:41 69.80, -84.61 79.04 10/17/2023 17:22:50 69.79, -84.63 79.02 1.81 51
6 10/20/2023 07:59:09 70.09, 56.11 80.27 10/20/2023 08:00:19 70.08, 56.39 80.26 10.53 70
7 10/20/2023 08:49:49 -69.89,-136.27 99.92 10/20/2023 08:49:51 -69.87,-136.28 99.95 3.12 2
8 10/20/2023 09:40:31 69.68, 31.36 79.88 10/20/2023 09:39:19 69.70, 31.13 79.90 9.05 72
9 10/23/2023 00:15:58 69.93, 172.14 81.06 10/23/2023 00:16:48 69.94, 172.08 81.07 2.35 50
10 10/23/2023 01:06:40 -69.83, -20.40 99.03 10/23/2023 01:06:18 -69.84, -20.43 99.02 1.29 22
11 10/23/2023 01:57:07 68.82, 148.34 79.98 10/23/2023 01:56:01 68.84, 145.89 79.99 98.52 66
12 10/25/2023 16:32:50 69.95, -72.10 82.01 10/25/2023 16:33:14 69.92, -72.05 81.99 3.27 24
13 10/25/2023 17:23:31 -69.79, 95.45 98.14 10/25/2023 17:22:44 -69.82, 95.44 98.11 3.40 47

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/13/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231013.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/13/2023 in txt file.

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