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: 9/9/2023
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 -69.94, 114.21 114.62 09/11/2023 16:08:34 -69.96, 114.14 114.61 3.11 47
2 09/11/2023 16:58:31 69.87, -78.37 65.32 09/11/2023 16:58:00 69.85, -78.36 65.31 1.62 31
3 09/14/2023 07:34:15 70.82, 61.27 67.30 09/14/2023 07:35:22 70.68, 63.44 67.11 80.98 67
4 09/14/2023 08:24:42 -69.95,-130.03 113.59 09/14/2023 08:25:03 -69.97,-129.97 113.58 3.05 21
5 09/14/2023 09:15:26 69.82, 37.46 66.30 09/14/2023 09:14:31 69.80, 37.45 66.28 2.46 55
6 09/16/2023 23:50:55 70.00, 178.34 67.47 09/16/2023 23:52:04 70.00, 178.33 67.47 0.62 69
7 09/17/2023 00:41:37 -69.91, -14.21 112.60 09/17/2023 00:41:34 -69.89, -14.19 112.63 2.31 3
8 09/17/2023 01:32:16 69.53, 153.67 67.02 09/17/2023 01:31:04 69.62, 153.08 67.12 25.06 72
9 09/19/2023 16:07:50 69.97, -65.85 68.48 09/19/2023 16:08:34 69.95, -65.85 68.46 2.33 44
10 09/19/2023 16:58:31 -69.83, 101.68 111.66 09/19/2023 16:58:04 -69.85, 101.64 111.64 2.64 27
11 09/22/2023 07:34:16 -70.86,-118.79 109.59 09/22/2023 07:35:23 -70.76,-116.43 109.72 87.10 67
12 09/22/2023 08:24:44 69.96, 49.94 69.50 09/22/2023 08:25:02 69.94, 50.01 69.48 3.48 18
13 09/22/2023 09:15:25 -69.81,-142.53 110.64 09/22/2023 09:14:32 -69.84,-142.50 110.61 3.05 53

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/9/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230909.jpg

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

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