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: 9/10/2023
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 09/11/2023 16:07:47 -69.99, 114.15 114.57 09/11/2023 16:08:33 -69.97, 114.15 114.60 2.34 46
2 09/11/2023 16:58:31 69.86, -78.35 65.31 09/11/2023 16:58:00 69.86, -78.34 65.32 0.83 31
3 09/14/2023 07:34:15 70.81, 61.29 67.29 09/14/2023 07:35:22 70.69, 63.45 67.12 80.46 67
4 09/14/2023 08:24:42 -69.94,-130.02 113.60 09/14/2023 08:25:04 -69.92,-130.03 113.63 2.54 22
5 09/14/2023 09:15:26 69.81, 37.48 66.29 09/14/2023 09:14:31 69.81, 37.46 66.29 0.56 55
6 09/16/2023 23:50:55 69.99, 178.36 67.46 09/16/2023 23:52:04 70.00, 178.34 67.47 2.07 69
7 09/17/2023 00:41:37 -69.90, -14.20 112.61 09/17/2023 00:41:34 -69.90, -14.18 112.62 0.86 3
8 09/17/2023 01:32:16 69.51, 153.68 67.01 09/17/2023 01:31:04 69.62, 153.09 67.13 26.10 72
9 09/19/2023 16:07:50 69.96, -65.84 68.47 09/19/2023 16:08:34 69.96, -65.85 68.46 0.93 44
10 09/19/2023 16:58:32 -69.88, 101.61 111.61 09/19/2023 16:58:04 -69.85, 101.64 111.63 2.72 28
11 09/22/2023 07:34:15 -70.85,-118.78 109.60 09/22/2023 07:35:22 -70.76,-116.43 109.72 86.45 67
12 09/22/2023 08:24:44 69.95, 49.95 69.49 09/22/2023 08:25:02 69.93, 50.01 69.48 2.43 18
13 09/22/2023 09:15:25 -69.80,-142.51 110.65 09/22/2023 09:14:33 -69.78,-142.57 110.67 3.47 52

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/10/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230910.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/10/2023 in txt file.

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