Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/26/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 10/27/2023 14:40:53 -70.48, 135.59 96.81 10/27/2023 14:42:04 -70.37, 136.36 96.92 31.17 71
2 10/27/2023 15:31:31 70.03, -56.41 82.76 10/27/2023 15:31:35 70.05, -56.46 82.78 2.29 4
3 10/27/2023 16:22:13 -69.95, 111.03 97.31 10/27/2023 16:21:05 -69.93, 111.01 97.33 2.28 68
4 10/30/2023 06:57:45 -70.14,-108.13 96.25 10/30/2023 06:58:35 -70.11,-108.13 96.29 3.50 50
5 10/30/2023 07:48:29 70.01, 59.37 83.64 10/30/2023 07:48:02 70.00, 59.37 83.62 1.27 27
6 10/30/2023 08:38:54 -69.03,-131.89 97.34 10/30/2023 08:37:47 -69.06,-134.27 97.31 94.66 67
7 11/01/2023 22:24:14 70.81,-160.76 85.28 11/01/2023 22:25:22 70.75,-158.92 85.22 67.79 68
8 11/01/2023 23:14:44 -70.09, 7.70 95.44 11/01/2023 23:15:02 -70.09, 7.74 95.44 1.69 18
9 11/02/2023 00:05:28 69.96, 175.19 84.45 11/02/2023 00:04:29 69.98, 175.23 84.47 2.65 59
10 11/04/2023 14:41:02 70.15, -43.97 85.46 11/04/2023 14:41:59 70.15, -43.91 85.46 2.38 57
11 11/04/2023 15:31:44 -70.05, 123.49 94.63 11/04/2023 15:31:29 -70.05, 123.57 94.64 3.03 15
12 11/04/2023 16:22:16 69.30, -68.09 84.63 11/04/2023 16:21:07 69.33, -69.77 84.65 66.08 69
13 11/07/2023 06:58:02 70.09, 71.86 86.21 11/07/2023 06:58:26 70.08, 71.88 86.19 1.80 24
14 11/07/2023 07:48:44 -69.99,-120.67 93.89 11/07/2023 07:47:56 -69.97,-120.64 93.91 2.66 48

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/26/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231026.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/26/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9