Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/24/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 11/25/2023 07:34:38 -70.01,-117.66 89.39 11/25/2023 07:35:50 -69.99,-117.60 89.41 3.27 72
2 11/25/2023 08:25:21 69.84, 49.90 90.46 11/25/2023 08:25:18 69.83, 49.83 90.44 2.97 3
3 11/25/2023 09:16:01 -69.64,-142.49 89.75 11/25/2023 09:14:49 -69.67,-142.77 89.72 11.13 72
4 11/27/2023 23:51:34 -69.94, -1.79 88.96 11/27/2023 23:52:21 -69.94, -1.79 88.96 0.13 47
5 11/28/2023 00:42:18 69.83, 165.68 90.94 11/28/2023 00:41:48 69.83, 165.70 90.94 0.89 30
6 11/30/2023 15:18:01 70.72, -54.57 92.29 11/30/2023 15:19:09 70.61, -52.56 92.17 74.74 68
7 11/30/2023 16:08:29 -69.88, 114.06 88.56 11/30/2023 16:08:50 -69.90, 114.04 88.54 3.01 21
8 11/30/2023 16:59:13 69.77, -78.47 91.34 11/30/2023 16:58:17 69.79, -78.47 91.36 2.37 56
9 12/03/2023 07:34:44 69.99, 62.35 91.96 12/03/2023 07:35:49 69.99, 62.41 91.96 2.63 65
10 12/03/2023 08:25:25 -69.83,-130.10 88.20 12/03/2023 08:25:20 -69.83,-130.17 88.20 2.93 5
11 12/03/2023 09:16:03 69.41, 37.83 91.38 12/03/2023 09:14:52 69.44, 36.94 91.42 34.87 71
12 12/05/2023 23:51:40 69.95, 178.16 92.28 12/05/2023 23:52:18 69.94, 178.22 92.26 2.81 38
13 12/06/2023 00:42:22 -69.85, -14.36 87.83 12/06/2023 00:41:48 -69.84, -14.29 87.84 2.95 34

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/24/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231124.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/24/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9