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: 8/30/2023
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 08/31/2023 23:50:50 69.98, 178.41 61.48 08/31/2023 23:51:56 70.00, 178.34 61.48 3.35 66
2 09/01/2023 00:41:32 -69.90, -14.15 118.60 09/01/2023 00:41:26 -69.88, -14.19 118.62 2.28 6
3 09/01/2023 01:32:09 69.40, 153.89 60.90 09/01/2023 01:30:58 69.50, 152.94 61.04 38.92 71
4 09/03/2023 16:07:45 69.95, -65.79 62.42 09/03/2023 16:08:25 69.99, -65.79 62.45 3.43 40
5 09/03/2023 16:58:27 -69.87, 101.66 117.66 09/03/2023 16:57:55 -69.88, 101.69 117.65 1.35 32
6 09/06/2023 07:34:10 -70.74,-118.57 115.79 09/06/2023 07:35:18 -70.61,-116.65 115.98 72.09 68
7 09/06/2023 08:24:41 69.94, 50.00 63.39 09/06/2023 08:24:55 69.95, 50.04 63.40 2.28 14
8 09/06/2023 09:15:22 -69.80,-142.47 116.75 09/06/2023 09:14:26 -69.79,-142.55 116.75 2.93 56
9 09/08/2023 23:50:52 -69.99, -1.63 115.58 09/08/2023 23:51:58 -70.01, -1.64 115.57 1.90 66
10 09/09/2023 00:41:36 69.87, 165.86 64.32 09/09/2023 00:41:25 69.90, 165.85 64.34 2.48 11
11 09/09/2023 01:32:12 -69.47, -26.23 116.09 09/09/2023 01:31:00 -69.52, -27.04 116.02 32.02 72
12 09/11/2023 16:07:48 -69.99, 114.15 114.57 09/11/2023 16:08:27 -69.99, 114.22 114.58 2.68 39
13 09/11/2023 16:58:32 69.87, -78.37 65.32 09/11/2023 16:57:54 69.87, -78.30 65.32 2.64 38

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/30/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230830.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/30/2023 in txt file.

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