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: 7/15/2023
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 07/16/2023 07:09:11 -70.71,-112.21 130.64 07/16/2023 07:10:19 -70.60,-110.48 130.82 65.18 68
2 07/16/2023 07:59:43 69.97, 56.25 48.59 07/16/2023 07:59:56 69.96, 56.23 48.57 2.18 13
3 07/16/2023 08:50:25 -69.88,-136.29 131.51 07/16/2023 08:49:25 -69.90,-136.22 131.48 3.12 60
4 07/18/2023 23:25:51 -70.03, 4.63 130.90 07/18/2023 23:26:58 -70.04, 4.59 130.90 2.13 67
5 07/19/2023 00:16:35 69.93, 172.10 49.00 07/19/2023 00:16:25 69.94, 172.09 49.01 1.66 10
6 07/19/2023 01:07:11 -69.51, -19.97 131.43 07/19/2023 01:05:59 -69.61, -20.73 131.30 31.56 72
7 07/21/2023 15:42:43 -69.99, 120.48 130.45 07/21/2023 15:43:27 -70.01, 120.43 130.43 2.93 44
8 07/21/2023 16:33:27 69.88, -72.06 49.46 07/21/2023 16:32:54 69.90, -72.08 49.47 1.76 33
9 07/24/2023 07:09:07 70.79, 67.67 50.94 07/24/2023 07:10:14 70.71, 69.71 50.77 75.18 67
10 07/24/2023 07:59:36 -70.00,-123.77 129.89 07/24/2023 07:59:55 -70.00,-123.70 129.90 2.73 19
11 07/24/2023 08:50:19 69.85, 43.77 49.96 07/24/2023 08:49:23 69.83, 43.71 49.95 3.11 56
12 07/26/2023 23:25:45 70.08,-175.42 50.77 07/26/2023 23:26:52 70.07,-175.34 50.74 3.27 67
13 07/27/2023 00:16:26 -69.92, -7.86 129.40 07/27/2023 00:16:23 -69.91, -7.93 129.41 2.80 3
14 07/27/2023 01:07:05 69.56, 159.98 50.23 07/27/2023 01:05:53 69.63, 159.33 50.34 26.53 72

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/15/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230715.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/15/2023 in txt file.

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