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: 9/7/2023
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 09/08/2023 23:50:52 -70.01, -1.65 115.56 09/08/2023 23:52:02 -70.02, -1.65 115.56 0.54 70
2 09/09/2023 00:41:36 69.88, 165.85 64.33 09/09/2023 00:41:29 69.91, 165.85 64.36 3.57 7
3 09/09/2023 01:32:14 -69.59, -26.41 115.96 09/09/2023 01:31:01 -69.69, -26.82 115.85 19.58 73
4 09/11/2023 16:07:47 -69.96, 114.19 114.61 09/11/2023 16:08:34 -69.94, 114.12 114.63 3.35 47
5 09/11/2023 16:58:31 69.83, -78.31 65.28 09/11/2023 16:58:01 69.83, -78.38 65.29 2.86 30
6 09/14/2023 07:34:15 70.78, 61.34 67.26 09/14/2023 07:35:22 70.71, 63.49 67.14 79.37 67
7 09/14/2023 08:24:43 -69.96,-130.05 113.58 09/14/2023 08:25:04 -69.95,-129.99 113.60 2.61 21
8 09/14/2023 09:15:27 69.84, 37.44 66.31 09/14/2023 09:14:31 69.84, 37.50 66.31 2.29 56
9 09/16/2023 23:50:55 70.01, 178.33 67.48 09/16/2023 23:52:04 69.98, 178.30 67.45 3.31 69
10 09/17/2023 00:41:36 -69.87, -14.14 112.65 09/17/2023 00:41:34 -69.88, -14.21 112.64 2.70 2
11 09/17/2023 01:32:16 69.53, 153.65 67.03 09/17/2023 01:31:04 69.60, 153.05 67.10 24.31 72
12 09/19/2023 16:07:50 69.98, -65.86 68.49 09/19/2023 16:08:33 69.99, -65.80 68.49 2.75 43
13 09/19/2023 16:58:31 -69.83, 101.67 111.65 09/19/2023 16:58:04 -69.84, 101.62 111.65 2.03 27

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230907.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/07/2023 in txt file.

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