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: 11/1/2023
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 11/01/2023 22:24:13 70.90,-160.91 85.37 11/01/2023 22:25:20 70.82,-158.81 85.30 77.01 67
2 11/01/2023 23:14:41 -70.08, 7.72 95.45 11/01/2023 23:15:01 -70.10, 7.76 95.43 2.70 20
3 11/02/2023 00:05:25 69.95, 175.22 84.44 11/02/2023 00:04:29 69.95, 175.18 84.43 1.70 56
4 11/04/2023 14:40:57 70.16, -43.97 85.47 11/04/2023 14:41:58 70.15, -43.92 85.45 2.46 61
5 11/04/2023 15:31:38 -70.02, 123.56 94.67 11/04/2023 15:31:28 -70.03, 123.55 94.66 1.07 10
6 11/04/2023 16:22:13 69.42, -68.24 84.75 11/04/2023 16:21:03 69.48, -69.56 84.80 51.97 70
7 11/07/2023 06:57:53 70.06, 71.94 86.18 11/07/2023 06:58:24 70.09, 71.89 86.20 3.32 31
8 11/07/2023 07:48:35 -69.97,-120.60 93.91 11/07/2023 07:47:54 -69.97,-120.63 93.91 1.20 41
9 11/09/2023 22:24:08 -70.30, 20.03 92.83 11/09/2023 22:25:19 -70.27, 20.41 92.86 14.63 71
10 11/09/2023 23:14:49 70.03,-172.24 86.92 11/09/2023 23:14:48 70.05,-172.26 86.93 2.29 1
11 11/10/2023 00:05:31 -69.93, -4.78 93.17 11/10/2023 00:04:18 -69.93, -4.79 93.17 0.36 73
12 11/12/2023 14:41:02 -70.11, 136.08 92.27 11/12/2023 14:41:45 -70.14, 136.13 92.25 3.32 43
13 11/12/2023 15:31:46 70.00, -56.45 87.63 11/12/2023 15:31:12 70.02, -56.39 87.65 3.15 34

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/1/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231101.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/01/2023 in txt file.

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