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: 4/4/2023
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 04/05/2023 22:36:09 -70.97, 15.81 115.28 04/05/2023 22:37:16 -70.87, 18.05 115.46 82.28 67
2 04/05/2023 23:26:38 70.08,-175.45 63.77 04/05/2023 23:26:56 70.05,-175.51 63.74 3.41 18
3 04/06/2023 00:17:20 -69.99, -8.00 116.34 04/06/2023 00:16:25 -69.99, -7.96 116.33 1.52 55
4 04/08/2023 14:52:45 -70.19, 132.86 117.12 04/08/2023 14:53:54 -70.16, 132.89 117.15 2.82 69
5 04/08/2023 15:43:29 70.08, -59.67 62.76 04/08/2023 15:43:21 70.06, -59.62 62.73 2.96 8
6 04/08/2023 16:34:06 -69.72, 108.18 117.63 04/08/2023 16:32:54 -69.78, 107.63 117.55 22.04 72
7 04/11/2023 07:09:34 -70.14,-111.29 118.16 04/11/2023 07:10:18 -70.13,-111.26 118.18 1.60 44
8 04/11/2023 08:00:18 70.03, 56.18 61.72 04/11/2023 07:59:45 70.02, 56.22 61.70 2.36 33
9 04/13/2023 22:35:54 70.83,-163.93 61.60 04/13/2023 22:37:02 70.77,-162.06 61.47 68.64 68
10 04/13/2023 23:26:24 -70.11, 4.54 119.18 04/13/2023 23:26:42 -70.11, 4.61 119.18 2.45 18
11 04/14/2023 00:17:08 70.00, 172.01 60.70 04/14/2023 00:16:09 70.00, 172.09 60.70 3.00 59
12 04/16/2023 14:52:32 70.18, -47.10 59.95 04/16/2023 14:53:36 70.16, -47.06 59.92 2.84 64
13 04/16/2023 15:43:13 -70.03, 120.44 120.22 04/16/2023 15:43:06 -70.06, 120.42 120.20 2.65 7
14 04/16/2023 16:33:50 69.56, -71.54 59.28 04/16/2023 16:32:39 69.61, -72.55 59.36 39.48 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/4/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230404.jpg

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

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