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: 3/16/2023
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 03/17/2023 14:41:09 -70.13, 135.99 108.58 03/17/2023 14:42:04 -70.12, 135.93 108.60 2.20 55
2 03/17/2023 15:31:53 70.02, -56.54 71.30 03/17/2023 15:31:31 70.02, -56.57 71.29 1.46 22
3 03/17/2023 16:22:21 -69.19, 112.00 109.60 03/17/2023 16:21:13 -69.25, 110.02 109.45 78.78 68
4 03/20/2023 06:58:05 -70.12,-108.22 109.66 03/20/2023 06:58:32 -70.11,-108.21 109.68 1.31 27
5 03/20/2023 07:48:49 70.01, 59.25 70.22 03/20/2023 07:47:59 70.00, 59.28 70.21 1.95 50
6 03/22/2023 22:24:18 70.17,-159.84 69.34 03/22/2023 22:25:30 70.14,-159.91 69.31 3.50 72
7 03/22/2023 23:15:00 -70.06, 7.64 110.78 03/22/2023 23:15:00 -70.04, 7.58 110.81 3.48 0
8 03/23/2023 00:05:41 69.80, 175.34 68.93 03/23/2023 00:04:28 69.87, 174.99 69.02 15.80 73
9 03/25/2023 14:41:12 70.13, -44.00 68.24 03/25/2023 14:41:55 70.14, -44.03 68.24 1.65 43
10 03/25/2023 15:31:54 -70.02, 123.48 111.89 03/25/2023 15:31:25 -70.03, 123.45 111.87 1.69 29
11 03/28/2023 06:07:36 -70.87, -96.74 112.02 03/28/2023 06:08:44 -70.74, -94.89 112.22 69.04 68
12 03/28/2023 06:58:07 70.10, 71.82 67.15 03/28/2023 06:58:21 70.08, 71.78 67.13 2.52 14
13 03/28/2023 07:48:49 -69.99,-120.70 112.98 03/28/2023 07:47:51 -69.98,-120.73 112.98 1.85 58

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/16/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230316.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/16/2023 in txt file.

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