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: 3/20/2023
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 03/22/2023 22:24:18 70.18,-159.86 69.36 03/22/2023 22:25:30 70.17,-159.88 69.34 1.27 72
2 03/22/2023 23:15:00 -70.08, 7.61 110.77 03/22/2023 23:15:00 -70.06, 7.60 110.79 2.50 0
3 03/23/2023 00:05:41 69.81, 175.33 68.94 03/23/2023 00:04:28 69.89, 175.01 69.05 15.13 73
4 03/25/2023 14:41:13 70.13, -44.01 68.24 03/25/2023 14:41:57 70.15, -44.03 68.25 2.28 44
5 03/25/2023 15:31:55 -70.03, 123.47 111.88 03/25/2023 15:31:27 -70.04, 123.45 111.87 1.34 28
6 03/28/2023 06:07:38 -70.92, -96.82 111.97 03/28/2023 06:08:46 -70.80, -94.81 112.16 74.20 68
7 03/28/2023 06:58:08 70.09, 71.83 67.14 03/28/2023 06:58:24 70.09, 71.78 67.14 1.90 16
8 03/28/2023 07:48:50 -69.98,-120.70 112.98 03/28/2023 07:47:54 -69.98,-120.74 112.98 1.57 56
9 03/30/2023 22:24:18 -70.15, 20.19 113.83 03/30/2023 22:25:22 -70.17, 20.14 113.82 2.55 64
10 03/30/2023 23:15:02 70.05,-172.35 66.06 03/30/2023 23:14:49 70.05,-172.38 66.06 1.30 13
11 03/31/2023 00:05:36 -69.53, -4.24 114.51 03/31/2023 00:04:25 -69.62, -5.35 114.37 44.14 71
12 04/02/2023 14:41:13 -70.13, 136.00 114.89 04/02/2023 14:41:47 -70.15, 136.01 114.87 2.80 34
13 04/02/2023 15:31:57 70.03, -56.54 65.00 04/02/2023 15:31:14 70.04, -56.51 65.00 1.13 43

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230321.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/20/2023 in txt file.

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