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: 11/15/2023
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 11/17/2023 07:34:31 69.99, 62.39 88.83 11/17/2023 07:35:39 70.00, 62.46 88.83 2.65 68
2 11/17/2023 08:25:13 -69.90,-130.14 91.27 11/17/2023 08:25:09 -69.88,-130.07 91.28 3.19 4
3 11/17/2023 09:15:52 69.52, 37.72 88.37 11/17/2023 09:14:40 69.56, 37.13 88.41 23.40 72
4 11/19/2023 23:51:28 69.95, 178.22 89.42 11/19/2023 23:52:08 69.92, 178.23 89.38 3.38 40
5 11/20/2023 00:42:09 -69.79, -14.23 90.74 11/20/2023 00:41:38 -69.80, -14.29 90.73 2.60 31
6 11/22/2023 15:17:51 -70.54, 125.75 89.40 11/22/2023 15:19:00 -70.46, 127.26 89.49 56.65 69
7 11/22/2023 16:08:25 69.91, -65.96 89.97 11/22/2023 16:08:35 69.91, -65.88 89.97 3.02 10
8 11/22/2023 16:59:06 -69.75, 101.59 90.18 11/22/2023 16:58:06 -69.75, 101.52 90.19 2.55 60
9 11/25/2023 07:34:37 -69.93,-117.54 89.47 11/25/2023 07:35:36 -69.94,-117.60 89.46 2.57 59
10 11/25/2023 08:25:20 69.83, 49.93 90.44 11/25/2023 08:25:02 69.83, 49.89 90.44 1.39 18
11 11/25/2023 09:15:51 -69.14,-141.77 90.25 11/25/2023 09:14:42 -69.17,-143.36 90.22 63.25 69
12 11/27/2023 23:51:33 -69.91, -1.74 88.99 11/27/2023 23:52:02 -69.88, -1.79 89.02 3.39 29
13 11/28/2023 00:42:17 69.81, 165.72 90.92 11/28/2023 00:41:28 69.82, 165.77 90.93 2.61 49

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/15/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231116.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/15/2023 in txt file.

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