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: 7/19/2023
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 07/21/2023 15:42:43 -70.00, 120.46 130.43 07/21/2023 15:43:27 -69.99, 120.41 130.44 2.07 44
2 07/21/2023 16:33:27 69.89, -72.07 49.47 07/21/2023 16:32:54 69.89, -72.09 49.47 0.90 33
3 07/24/2023 07:09:07 70.80, 67.66 50.95 07/24/2023 07:10:14 70.70, 69.70 50.76 75.48 67
4 07/24/2023 07:59:35 -69.96,-123.70 129.93 07/24/2023 07:59:55 -69.99,-123.71 129.91 2.75 20
5 07/24/2023 08:50:19 69.86, 43.76 49.97 07/24/2023 08:49:22 69.88, 43.78 50.00 2.50 57
6 07/26/2023 23:25:45 70.03,-175.35 50.72 07/26/2023 23:26:53 70.06,-175.35 50.73 3.05 68
7 07/27/2023 00:16:27 -69.93, -7.88 129.38 07/27/2023 00:16:23 -69.95, -7.87 129.36 2.47 4
8 07/27/2023 01:07:06 69.57, 159.97 50.24 07/27/2023 01:05:54 69.62, 159.32 50.34 26.01 72
9 07/29/2023 15:42:36 70.01, -59.54 51.32 07/29/2023 15:43:20 70.00, -59.54 51.29 1.56 44
10 07/29/2023 16:33:18 -69.91, 107.93 128.79 07/29/2023 16:32:50 -69.90, 107.95 128.80 1.69 28
11 08/01/2023 07:09:00 -70.94,-112.54 127.07 08/01/2023 07:10:06 -70.85,-110.04 127.26 91.57 66
12 08/01/2023 07:59:27 69.95, 56.34 51.90 08/01/2023 07:59:47 69.97, 56.31 51.92 2.44 20
13 08/01/2023 08:50:09 -69.84,-136.19 128.21 08/01/2023 08:49:17 -69.87,-136.20 128.18 2.72 52

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/19/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230719.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/19/2023 in txt file.

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