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: 9/2/2023
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 09/03/2023 16:07:46 69.99, -65.85 62.46 09/03/2023 16:08:25 70.00, -65.78 62.46 2.67 39
2 09/03/2023 16:58:27 -69.86, 101.67 117.67 09/03/2023 16:57:55 -69.88, 101.70 117.64 2.72 32
3 09/06/2023 07:34:10 -70.73,-118.56 115.80 09/06/2023 07:35:18 -70.61,-116.65 115.98 71.57 68
4 09/06/2023 08:24:41 69.93, 50.02 63.38 09/06/2023 08:24:56 69.90, 49.97 63.35 3.09 15
5 09/06/2023 09:15:23 -69.84,-142.54 116.70 09/06/2023 09:14:25 -69.85,-142.47 116.69 2.83 58
6 09/08/2023 23:50:52 -69.99, -1.62 115.58 09/08/2023 23:51:58 -70.00, -1.65 115.57 1.93 66
7 09/09/2023 00:41:36 69.87, 165.87 64.31 09/09/2023 00:41:25 69.89, 165.84 64.34 3.18 11
8 09/09/2023 01:32:12 -69.46, -26.22 116.09 09/09/2023 01:31:00 -69.51, -27.04 116.02 32.52 72
9 09/11/2023 16:07:47 -69.99, 114.15 114.57 09/11/2023 16:08:26 -69.97, 114.20 114.59 2.48 39
10 09/11/2023 16:58:31 69.87, -78.37 65.32 09/11/2023 16:57:53 69.86, -78.32 65.31 2.08 38
11 09/14/2023 07:34:09 70.50, 61.79 66.97 09/14/2023 07:35:18 70.40, 63.06 66.83 48.95 69
12 09/14/2023 08:24:42 -69.94,-130.02 113.60 09/14/2023 08:24:55 -69.91,-130.00 113.63 3.03 13
13 09/14/2023 09:15:26 69.82, 37.47 66.29 09/14/2023 09:14:22 69.80, 37.48 66.27 3.17 64

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230902.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/02/2023 in txt file.

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