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: 1/27/2023
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 01/28/2023 14:41:01 -70.90, 134.79 90.86 01/28/2023 14:42:08 -70.83, 137.01 91.03 81.02 67
2 01/28/2023 15:31:31 70.04, -56.53 88.22 01/28/2023 15:31:48 70.03, -56.54 88.20 2.04 17
3 01/28/2023 16:22:12 -69.91, 110.99 91.93 01/28/2023 16:21:18 -69.91, 110.93 91.92 2.06 54
4 01/31/2023 06:57:41 -70.13,-108.19 92.41 01/31/2023 06:58:52 -70.12,-108.18 92.43 0.51 71
5 01/31/2023 07:48:25 70.00, 59.31 87.46 01/31/2023 07:48:19 70.02, 59.32 87.47 1.82 6
6 01/31/2023 08:39:04 -69.76,-133.01 92.81 01/31/2023 08:37:51 -69.80,-133.35 92.75 13.68 73
7 02/02/2023 23:14:35 -70.09, 7.64 93.20 02/02/2023 23:15:23 -70.09, 7.64 93.22 0.39 48
8 02/03/2023 00:05:19 69.97, 175.13 86.67 02/03/2023 00:04:50 69.98, 175.14 86.68 0.94 29
9 02/05/2023 14:41:02 71.00, -45.36 86.98 02/05/2023 14:42:08 70.95, -42.84 86.82 91.48 66
10 02/05/2023 15:31:28 -70.07, 123.46 94.03 02/05/2023 15:31:52 -70.08, 123.50 94.03 1.94 24
11 02/05/2023 16:22:12 69.95, -69.06 85.85 02/05/2023 16:21:19 69.97, -69.01 85.87 2.49 53
12 02/08/2023 06:57:40 70.14, 71.80 85.24 02/08/2023 06:58:52 70.13, 71.83 85.22 1.55 72
13 02/08/2023 07:48:22 -70.05,-120.74 94.87 02/08/2023 07:48:22 -70.03,-120.69 94.90 2.79 0
14 02/08/2023 08:39:03 69.78, 46.98 84.84 02/08/2023 08:37:51 69.81, 46.65 84.89 12.94 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/27/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230127.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/27/2023 in txt file.

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