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: 10/4/2023
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 10/05/2023 16:07:46 69.93, -65.79 74.63 10/05/2023 16:08:36 69.94, -65.87 74.64 3.35 50
2 10/05/2023 16:58:28 -69.85, 101.65 105.44 10/05/2023 16:58:06 -69.83, 101.62 105.45 1.83 22
3 10/05/2023 17:48:55 68.82, -89.58 73.54 10/05/2023 17:47:49 68.84, -92.05 73.58 99.34 66
4 10/08/2023 08:24:39 69.94, 49.97 75.67 10/08/2023 08:25:05 69.96, 50.03 75.68 3.15 26
5 10/08/2023 09:15:20 -69.80,-142.51 104.46 10/08/2023 09:14:36 -69.80,-142.56 104.47 2.00 44
6 10/10/2023 23:50:54 -70.34, -2.18 102.93 10/10/2023 23:52:05 -70.21, -1.38 103.07 33.67 71
7 10/11/2023 00:41:31 69.86, 165.86 76.60 10/11/2023 00:41:36 69.88, 165.80 76.62 3.15 5
8 10/11/2023 01:32:13 -69.77, -26.68 103.48 10/11/2023 01:31:06 -69.77, -26.71 103.48 1.09 67
9 10/13/2023 16:07:40 -69.95, 114.19 102.31 10/13/2023 16:08:38 -69.98, 114.18 102.29 2.95 58
10 10/13/2023 16:58:24 69.84, -78.34 77.59 10/13/2023 16:58:05 69.86, -78.33 77.61 2.31 19
11 10/13/2023 17:48:55 -69.17, 89.96 103.08 10/13/2023 17:47:45 -69.21, 88.42 103.03 60.94 70
12 10/16/2023 08:24:33 -69.95,-130.02 101.33 10/16/2023 08:25:07 -69.93,-130.00 101.35 2.04 34
13 10/16/2023 09:15:16 69.79, 37.52 78.53 10/16/2023 09:14:34 69.81, 37.48 78.55 3.05 42

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/4/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231004.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/04/2023 in txt file.

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