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: 10/30/2023
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 10/31/2023 00:16:24 -69.92, -7.97 96.23 10/31/2023 00:16:58 -69.93, -7.98 96.23 1.05 34
2 10/31/2023 01:07:08 69.81, 159.52 83.66 10/31/2023 01:06:25 69.83, 159.52 83.68 2.62 43
3 11/02/2023 15:42:44 70.15, -59.88 84.85 11/02/2023 15:43:56 70.07, -59.53 84.77 15.93 72
4 11/02/2023 16:33:23 -69.90, 107.82 95.40 11/02/2023 16:33:27 -69.91, 107.88 95.39 2.55 4
5 11/02/2023 17:24:07 69.78, -84.69 84.50 11/02/2023 17:22:54 69.80, -84.63 84.52 3.39 73
6 11/05/2023 07:59:38 69.93, 56.21 85.45 11/05/2023 08:00:25 69.95, 56.19 85.48 2.99 47
7 11/05/2023 08:50:20 -69.83,-136.32 94.64 11/05/2023 08:49:55 -69.85,-136.33 94.62 2.34 25
8 11/07/2023 23:26:07 -70.77, 3.34 92.92 11/07/2023 23:27:14 -70.68, 5.48 93.01 79.47 67
9 11/08/2023 00:16:37 69.93, 171.97 86.25 11/08/2023 00:16:53 69.90, 172.01 86.23 3.08 16
10 11/08/2023 01:07:19 -69.82, -20.56 93.85 11/08/2023 01:06:23 -69.80, -20.50 93.87 3.33 56
11 11/10/2023 15:42:51 -69.99, 120.32 92.93 11/10/2023 15:43:53 -69.99, 120.37 92.94 1.85 62
12 11/10/2023 16:33:35 69.89, -72.21 86.98 11/10/2023 16:33:20 69.87, -72.15 86.96 3.15 15
13 11/10/2023 17:24:08 -69.30, 95.95 93.60 11/10/2023 17:22:57 -69.38, 94.82 93.52 45.28 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/30/2023
SNOs_Map_NOAA-21_LANDSAT-8_20231030.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 10/30/2023 in txt file.

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