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: 9/8/2023
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 1.09 70
2 09/09/2023 00:41:36 69.88, 165.85 64.32 09/09/2023 00:41:30 69.86, 165.78 64.31 3.28 6
3 09/09/2023 01:32:14 -69.59, -26.40 115.96 09/09/2023 01:31:02 -69.64, -26.89 115.90 19.83 72
4 09/11/2023 16:07:48 -70.00, 114.12 114.55 09/11/2023 16:08:33 -70.00, 114.20 114.57 3.12 45
5 09/11/2023 16:58:31 69.83, -78.30 65.28 09/11/2023 16:58:01 69.84, -78.38 65.29 3.23 30
6 09/14/2023 07:34:14 70.78, 61.35 67.25 09/14/2023 07:35:21 70.71, 63.49 67.14 78.91 67
7 09/14/2023 08:24:42 -69.96,-130.04 113.59 09/14/2023 08:25:03 -69.95,-129.99 113.60 2.09 21
8 09/14/2023 09:15:26 69.83, 37.45 66.30 09/14/2023 09:14:30 69.84, 37.50 66.31 2.00 56
9 09/16/2023 23:50:55 70.00, 178.34 67.48 09/16/2023 23:52:04 69.97, 178.29 67.44 3.35 69
10 09/17/2023 00:41:37 -69.91, -14.21 112.60 09/17/2023 00:41:33 -69.93, -14.14 112.59 3.13 4
11 09/17/2023 01:32:16 69.53, 153.67 67.02 09/17/2023 01:31:04 69.59, 153.05 67.10 25.13 72
12 09/19/2023 16:07:50 69.97, -65.85 68.48 09/19/2023 16:08:33 69.98, -65.81 68.48 1.72 43
13 09/19/2023 16:58:32 -69.88, 101.61 111.61 09/19/2023 16:58:03 -69.88, 101.68 111.61 2.74 29

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/8/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230908.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/08/2023 in txt file.

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