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 69.97, -65.82 62.44 09/03/2023 16:08:26 69.96, -65.83 62.42 1.63 40
2 09/03/2023 16:58:27 -69.84, 101.70 117.69 09/03/2023 16:57:56 -69.85, 101.64 117.68 2.21 31
3 09/06/2023 07:34:09 -70.72,-118.53 115.82 09/06/2023 07:35:17 -70.61,-116.64 115.98 70.47 68
4 09/06/2023 08:24:40 69.91, 50.04 63.36 09/06/2023 08:24:55 69.91, 49.98 63.35 2.60 15
5 09/06/2023 09:15:22 -69.83,-142.52 116.72 09/06/2023 09:14:24 -69.85,-142.47 116.69 3.07 58
6 09/08/2023 23:50:51 -69.98, -1.61 115.59 09/08/2023 23:51:57 -69.98, -1.67 115.59 2.54 66
7 09/09/2023 00:41:35 69.86, 165.89 64.30 09/09/2023 00:41:24 69.87, 165.82 64.32 3.15 11
8 09/09/2023 01:32:11 -69.46, -26.21 116.10 09/09/2023 01:30:59 -69.49, -27.07 116.04 33.83 72
9 09/11/2023 16:07:47 -69.99, 114.15 114.57 09/11/2023 16:08:25 -69.98, 114.21 114.59 2.67 38
10 09/11/2023 16:58:31 69.87, -78.36 65.32 09/11/2023 16:57:52 69.86, -78.31 65.32 2.25 39
11 09/14/2023 07:34:08 70.46, 61.86 66.93 09/14/2023 07:35:18 70.31, 62.94 66.75 44.12 70
12 09/14/2023 08:24:42 -69.95,-130.04 113.59 09/14/2023 08:24:53 -69.93,-129.96 113.61 3.56 11
13 09/14/2023 09:15:26 69.84, 37.45 66.31 09/14/2023 09:14:20 69.82, 37.52 66.29 3.49 66

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230903.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