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: 10/29/2023
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 10/30/2023 06:57:44 -70.12,-108.10 96.27 10/30/2023 06:58:35 -70.12,-108.11 96.28 0.76 51
2 10/30/2023 07:48:28 69.99, 59.41 83.61 10/30/2023 07:48:02 70.02, 59.39 83.64 2.90 26
3 10/30/2023 08:38:53 -69.01,-131.86 97.36 10/30/2023 08:37:47 -69.07,-134.25 97.30 95.62 66
4 11/01/2023 22:24:14 70.92,-160.94 85.39 11/01/2023 22:25:21 70.79,-158.86 85.27 77.35 67
5 11/01/2023 23:14:42 -70.10, 7.69 95.43 11/01/2023 23:15:02 -70.07, 7.72 95.45 2.83 20
6 11/02/2023 00:05:26 69.97, 175.19 84.46 11/02/2023 00:04:29 69.97, 175.21 84.46 1.16 57
7 11/04/2023 14:40:56 70.12, -43.91 85.43 11/04/2023 14:41:58 70.10, -43.98 85.41 3.51 62
8 11/04/2023 15:31:38 -70.03, 123.55 94.66 11/04/2023 15:31:27 -70.05, 123.57 94.65 1.68 11
9 11/04/2023 16:22:12 69.38, -68.19 84.71 11/04/2023 16:21:03 69.44, -69.61 84.76 56.19 69
10 11/07/2023 06:57:53 70.07, 71.93 86.19 11/07/2023 06:58:23 70.09, 71.90 86.20 1.92 30
11 11/07/2023 07:48:35 -69.98,-120.61 93.90 11/07/2023 07:47:53 -69.98,-120.63 93.91 0.59 42
12 11/09/2023 22:24:08 -70.24, 20.11 92.88 11/09/2023 22:25:20 -70.20, 20.31 92.93 9.26 72
13 11/09/2023 23:14:50 70.03,-172.25 86.92 11/09/2023 23:14:48 70.03,-172.28 86.91 1.37 2
14 11/10/2023 00:05:31 -69.88, -4.70 93.23 11/10/2023 00:04:18 -69.92, -4.80 93.19 5.95 73

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/29/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231029.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/29/2023 in txt file.

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