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: 9/7/2023
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 09/09/2023 13:51:12 70.68, -32.24 65.35 09/09/2023 13:52:22 70.55, -30.99 65.19 48.17 70
2 09/09/2023 14:41:45 -70.13, 135.96 115.22 09/09/2023 14:41:58 -70.11, 136.00 115.23 1.95 13
3 09/09/2023 15:32:29 70.01, -56.55 64.68 09/09/2023 15:31:25 70.01, -56.50 64.69 1.76 64
4 09/12/2023 06:07:56 70.20, 84.31 65.86 09/12/2023 06:08:59 70.19, 84.36 65.85 2.07 63
5 09/12/2023 06:58:37 -70.06,-108.16 114.27 09/12/2023 06:58:29 -70.09,-108.16 114.25 2.76 8
6 09/12/2023 07:49:13 69.52, 59.95 65.19 09/12/2023 07:48:03 69.59, 58.80 65.29 45.48 70
7 09/14/2023 22:24:48 70.14,-159.83 66.83 09/14/2023 22:25:30 70.14,-159.84 66.82 0.76 42
8 09/14/2023 23:15:30 -70.06, 7.62 113.25 09/14/2023 23:15:00 -70.03, 7.64 113.28 2.62 30
9 09/17/2023 13:51:12 -71.10, 147.09 111.18 09/17/2023 13:52:18 -70.99, 149.67 111.33 93.79 66
10 09/17/2023 14:41:39 70.10, -43.98 67.81 09/17/2023 14:41:59 70.11, -44.00 67.82 1.93 20
11 09/17/2023 15:32:21 -70.01, 123.47 112.28 09/17/2023 15:31:29 -70.01, 123.49 112.27 1.06 52
12 09/20/2023 06:07:49 -70.27, -95.78 111.00 09/20/2023 06:09:01 -70.24, -95.58 111.04 8.60 72
13 09/20/2023 06:58:31 70.06, 71.86 68.80 09/20/2023 06:58:29 70.06, 71.82 68.81 1.65 2
14 09/20/2023 07:49:12 -69.91,-120.61 111.34 09/20/2023 07:48:00 -69.91,-120.77 111.34 5.99 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/7/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230907.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/07/2023 in txt file.

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