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: 4/5/2023
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 82.17 67
2 04/05/2023 23:26:38 70.07,-175.44 63.76 04/05/2023 23:26:56 70.06,-175.50 63.75 2.61 18
3 04/06/2023 00:17:20 -69.98, -7.99 116.34 04/06/2023 00:16:25 -70.00, -7.95 116.33 1.91 55
4 04/08/2023 14:52:45 -70.18, 132.86 117.12 04/08/2023 14:53:54 -70.17, 132.90 117.15 1.87 69
5 04/08/2023 15:43:28 70.07, -59.66 62.75 04/08/2023 15:43:20 70.06, -59.60 62.74 2.17 8
6 04/08/2023 16:34:05 -69.72, 108.19 117.63 04/08/2023 16:32:53 -69.79, 107.64 117.54 22.31 72
7 04/11/2023 07:09:34 -70.13,-111.28 118.17 04/11/2023 07:10:18 -70.15,-111.24 118.17 1.91 44
8 04/11/2023 08:00:18 70.03, 56.19 61.71 04/11/2023 07:59:45 70.03, 56.25 61.72 2.29 33
9 04/13/2023 22:35:55 70.88,-164.00 61.64 04/13/2023 22:37:03 70.74,-162.11 61.45 70.79 68
10 04/13/2023 23:26:24 -70.10, 4.56 119.19 04/13/2023 23:26:43 -70.08, 4.56 119.21 1.88 19
11 04/14/2023 00:17:08 69.99, 172.03 60.69 04/14/2023 00:16:10 69.97, 172.05 60.67 2.90 58
12 04/16/2023 14:52:32 70.17, -47.08 59.94 04/16/2023 14:53:37 70.14, -47.09 59.90 2.87 65
13 04/16/2023 15:43:13 -70.02, 120.46 120.23 04/16/2023 15:43:07 -70.04, 120.39 120.22 3.10 6
14 04/16/2023 16:33:50 69.55, -71.53 59.27 04/16/2023 16:32:39 69.64, -72.50 59.40 39.47 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/5/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230405.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/05/2023 in txt file.

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