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: 7/11/2023
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 07/13/2023 15:42:51 70.01, -59.58 48.22 07/13/2023 15:43:26 70.02, -59.56 48.22 1.16 35
2 07/13/2023 16:33:33 -69.92, 107.88 131.88 07/13/2023 16:32:56 -69.91, 107.91 131.89 1.66 37
3 07/16/2023 07:09:11 -70.69,-112.18 130.66 07/16/2023 07:10:20 -70.58,-110.51 130.84 62.62 69
4 07/16/2023 07:59:44 70.01, 56.20 48.63 07/16/2023 07:59:56 69.99, 56.27 48.60 3.34 12
5 07/16/2023 08:50:25 -69.86,-136.25 131.53 07/16/2023 08:49:26 -69.88,-136.25 131.50 2.50 59
6 07/18/2023 23:25:52 -70.05, 4.60 130.88 07/18/2023 23:26:59 -70.04, 4.59 130.90 1.17 67
7 07/19/2023 00:16:36 69.95, 172.06 49.03 07/19/2023 00:16:26 69.93, 172.08 49.01 2.10 10
8 07/19/2023 01:07:12 -69.53, -20.00 131.41 07/19/2023 01:06:00 -69.61, -20.74 131.30 29.71 72
9 07/21/2023 15:42:44 -70.00, 120.46 130.43 07/21/2023 15:43:28 -70.03, 120.46 130.41 3.35 44
10 07/21/2023 16:33:28 69.90, -72.09 49.48 07/21/2023 16:32:55 69.92, -72.06 49.49 2.02 33
11 07/24/2023 07:09:07 70.80, 67.66 50.95 07/24/2023 07:10:15 70.70, 69.70 50.77 75.47 68
12 07/24/2023 07:59:36 -70.01,-123.77 129.88 07/24/2023 07:59:56 -70.00,-123.70 129.90 2.88 20
13 07/24/2023 08:50:19 69.86, 43.76 49.97 07/24/2023 08:49:23 69.88, 43.78 50.00 3.00 56

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/11/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230711.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/11/2023 in txt file.

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