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: 3/14/2023
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 03/14/2023 22:24:20 -70.52, 19.60 107.10 03/14/2023 22:25:31 -70.38, 20.42 107.29 34.47 71
2 03/14/2023 23:14:57 70.05,-172.34 72.38 03/14/2023 23:15:02 70.05,-172.40 72.39 2.48 5
3 03/15/2023 00:05:39 -69.95, -4.88 107.74 03/15/2023 00:04:32 -69.95, -4.92 107.73 1.64 67
4 03/17/2023 14:41:09 -70.13, 136.00 108.59 03/17/2023 14:42:04 -70.14, 135.95 108.58 2.36 55
5 03/17/2023 15:31:53 70.02, -56.53 71.29 03/17/2023 15:31:31 70.03, -56.56 71.31 1.80 22
6 03/17/2023 16:22:21 -69.18, 112.02 109.61 03/17/2023 16:21:13 -69.26, 110.03 109.44 78.78 68
7 03/20/2023 06:58:05 -70.11,-108.20 109.67 03/20/2023 06:58:32 -70.13,-108.19 109.66 2.10 27
8 03/20/2023 07:48:49 70.00, 59.27 70.21 03/20/2023 07:47:59 70.01, 59.30 70.22 1.60 50
9 03/22/2023 22:24:18 70.15,-159.82 69.33 03/22/2023 22:25:30 70.16,-159.88 69.33 2.66 72
10 03/22/2023 23:15:00 -70.05, 7.66 110.80 03/22/2023 23:15:00 -70.06, 7.60 110.79 2.53 0
11 03/23/2023 00:05:41 69.79, 175.36 68.92 03/23/2023 00:04:29 69.83, 174.93 68.99 17.28 72
12 03/25/2023 14:41:13 70.16, -44.06 68.28 03/25/2023 14:41:55 70.15, -44.01 68.26 2.08 42
13 03/25/2023 15:31:55 -70.05, 123.42 111.85 03/25/2023 15:31:25 -70.05, 123.48 111.85 2.13 30

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230314.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/14/2023 in txt file.

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