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: 4/9/2023
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 04/11/2023 07:09:34 -70.12,-111.25 118.19 04/11/2023 07:10:19 -70.13,-111.27 118.19 1.33 45
2 04/11/2023 08:00:18 70.00, 56.23 61.68 04/11/2023 07:59:46 70.02, 56.23 61.70 2.33 32
3 04/13/2023 22:35:56 70.90,-164.04 61.67 04/13/2023 22:37:03 70.80,-162.02 61.50 74.71 67
4 04/13/2023 23:26:24 -70.08, 4.59 119.21 04/13/2023 23:26:44 -70.08, 4.56 119.21 1.15 20
5 04/14/2023 00:17:08 69.97, 172.06 60.67 04/14/2023 00:16:11 69.97, 172.05 60.68 0.78 57
6 04/16/2023 14:52:31 70.14, -47.05 59.91 04/16/2023 14:53:37 70.17, -47.05 59.93 3.15 66
7 04/16/2023 15:43:13 -70.05, 120.41 120.20 04/16/2023 15:43:07 -70.06, 120.42 120.19 0.84 6
8 04/16/2023 16:33:51 69.63, -71.64 59.35 04/16/2023 16:32:39 69.67, -72.47 59.43 32.33 72
9 04/19/2023 07:09:21 70.13, 68.76 58.96 04/19/2023 07:10:01 70.12, 68.77 58.94 1.28 40
10 04/19/2023 08:00:03 -70.04,-123.78 121.15 04/19/2023 07:59:31 -70.01,-123.75 121.18 3.29 32
11 04/21/2023 22:35:39 -70.86, 16.08 121.19 04/21/2023 22:36:47 -70.76, 17.96 121.35 69.80 68
12 04/21/2023 23:26:10 70.08,-175.37 57.98 04/21/2023 23:26:24 70.09,-175.37 58.00 2.03 14
13 04/22/2023 00:16:52 -69.98, -7.91 122.13 04/22/2023 00:15:54 -69.99, -7.89 122.12 1.05 58

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/9/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230410.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/09/2023 in txt file.

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