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: 6/10/2023
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 06/12/2023 23:00:50 -70.12, 10.81 133.11 06/12/2023 23:01:53 -70.14, 10.76 133.10 3.20 63
2 06/12/2023 23:51:35 70.05, 178.22 46.82 06/12/2023 23:51:20 70.04, 178.26 46.80 2.18 15
3 06/13/2023 00:42:08 -69.49, -13.63 133.77 06/13/2023 00:40:57 -69.54, -14.79 133.68 45.63 71
4 06/15/2023 15:17:44 -70.08, 126.64 133.28 06/15/2023 15:18:20 -70.10, 126.59 133.26 2.99 36
5 06/15/2023 16:08:29 70.02, -65.96 46.66 06/15/2023 16:07:47 70.00, -65.91 46.63 3.18 42
6 06/18/2023 06:44:01 70.46, 74.49 47.04 06/18/2023 06:45:12 70.37, 75.23 46.91 29.32 71
7 06/18/2023 07:34:37 -70.05,-117.55 133.39 06/18/2023 07:34:46 -70.04,-117.61 133.41 2.58 9
8 06/18/2023 08:25:21 69.94, 49.93 46.49 06/18/2023 08:24:13 69.93, 49.88 46.49 2.33 68
9 06/20/2023 23:00:49 70.13,-169.22 46.66 06/20/2023 23:01:42 70.12,-169.25 46.64 2.30 53
10 06/20/2023 23:51:31 -70.03, -1.75 133.45 06/20/2023 23:51:12 -70.01, -1.77 133.47 2.71 19
11 06/21/2023 00:41:59 69.08, 166.95 45.56 06/21/2023 00:40:52 69.17, 164.75 45.74 87.83 67
12 06/23/2023 15:17:43 70.12, -53.43 46.67 06/23/2023 15:18:07 70.11, -53.37 46.65 2.73 24
13 06/23/2023 16:08:25 -70.02, 114.04 133.44 06/23/2023 16:07:37 -70.01, 114.12 133.45 3.24 48

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/10/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230611.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/10/2023 in txt file.

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