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: 7/7/2023
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 07/09/2023 15:17:33 70.06, -53.32 47.72 07/09/2023 15:18:35 70.05, -53.35 47.70 2.04 62
2 07/09/2023 16:08:15 -69.97, 114.14 132.38 07/09/2023 16:08:04 -69.99, 114.20 132.36 3.28 11
3 07/09/2023 16:58:50 69.38, -77.69 47.01 07/09/2023 16:57:40 69.39, -78.98 47.09 50.54 70
4 07/12/2023 07:34:25 70.05, 62.48 48.06 07/12/2023 07:35:04 70.05, 62.54 48.05 2.27 39
5 07/12/2023 08:25:07 -69.95,-130.06 132.04 07/12/2023 08:24:34 -69.94,-129.99 132.05 2.98 33
6 07/14/2023 23:00:48 -70.88, 9.62 130.67 07/14/2023 23:01:55 -70.79, 11.87 130.85 82.66 67
7 07/14/2023 23:51:17 69.99, 178.34 48.40 07/14/2023 23:51:35 69.98, 178.31 48.38 1.82 18
8 07/15/2023 00:41:59 -69.89, -14.19 131.71 07/15/2023 00:41:05 -69.87, -14.20 131.72 2.30 54
9 07/17/2023 15:17:26 -70.10, 126.65 131.07 07/17/2023 15:18:37 -70.10, 126.73 131.08 3.10 71
10 07/17/2023 16:08:09 69.94, -65.81 48.78 07/17/2023 16:08:05 69.94, -65.86 48.78 1.98 4
11 07/17/2023 16:58:49 -69.73, 101.82 131.44 07/17/2023 16:57:36 -69.78, 101.55 131.37 11.28 73
12 07/20/2023 07:34:18 -70.05,-117.51 130.63 07/20/2023 07:35:07 -70.04,-117.47 130.66 1.75 49
13 07/20/2023 08:25:01 69.90, 50.03 49.22 07/20/2023 08:24:34 69.93, 50.01 49.25 2.74 27

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230707.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/07/2023 in txt file.

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