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: 12/19/2023
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 12/19/2023 22:24:29 70.68,-160.65 94.03 12/19/2023 22:25:38 70.55,-159.28 93.88 52.73 69
2 12/19/2023 23:15:01 -70.05, 7.65 86.62 12/19/2023 23:15:15 -70.05, 7.63 86.62 0.51 14
3 12/20/2023 00:05:45 69.95, 175.12 93.28 12/20/2023 00:04:42 69.95, 175.14 93.29 1.06 63
4 12/22/2023 14:41:12 70.11, -43.99 93.48 12/22/2023 14:42:14 70.13, -44.02 93.48 1.88 62
5 12/22/2023 15:31:54 -70.01, 123.48 86.63 12/22/2023 15:31:44 -70.02, 123.46 86.63 0.83 10
6 12/22/2023 16:22:29 69.43, -68.35 92.77 12/22/2023 16:21:19 69.47, -69.65 92.84 50.85 70
7 12/25/2023 06:58:06 70.09, 71.83 93.41 12/25/2023 06:58:43 70.11, 71.84 93.44 3.08 37
8 12/25/2023 07:48:48 -69.98,-120.70 86.70 12/25/2023 07:48:13 -70.00,-120.68 86.68 2.41 35
9 12/27/2023 22:24:27 -70.74, 19.25 86.00 12/27/2023 22:25:36 -70.67, 20.90 86.11 60.99 69
10 12/27/2023 23:15:00 70.07,-172.37 93.31 12/27/2023 23:15:12 70.07,-172.34 93.30 1.11 12
11 12/28/2023 00:05:42 -69.96, -4.89 86.81 12/28/2023 00:04:42 -69.96, -4.85 86.81 1.45 60
12 12/30/2023 14:41:10 -70.15, 135.97 86.75 12/30/2023 14:42:13 -70.16, 136.04 86.75 2.79 63
13 12/30/2023 15:31:53 70.00, -56.49 93.10 12/30/2023 15:31:41 69.99, -56.56 93.09 2.63 12
14 12/30/2023 16:22:28 -69.53, 111.53 87.40 12/30/2023 16:21:17 -69.56, 110.48 87.34 40.99 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231219.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/19/2023 in txt file.

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