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: 6/13/2023
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 06/15/2023 15:17:44 -70.12, 126.58 133.24 06/15/2023 15:18:19 -70.12, 126.62 133.25 1.38 35
2 06/15/2023 16:08:28 70.00, -65.93 46.64 06/15/2023 16:07:46 70.02, -65.89 46.65 2.51 42
3 06/18/2023 06:44:02 70.49, 74.45 47.07 06/18/2023 06:45:12 70.39, 75.26 46.94 32.40 70
4 06/18/2023 07:34:38 -70.09,-117.60 133.36 06/18/2023 07:34:46 -70.06,-117.58 133.39 2.83 8
5 06/18/2023 08:25:22 69.97, 49.88 46.53 06/18/2023 08:24:13 69.95, 49.91 46.51 2.41 69
6 06/20/2023 23:00:50 70.16,-169.25 46.69 06/20/2023 23:01:42 70.15,-169.21 46.67 2.09 52
7 06/20/2023 23:51:31 -70.01, -1.71 133.47 06/20/2023 23:51:12 -70.04, -1.73 133.44 3.16 19
8 06/21/2023 00:42:00 69.10, 166.91 45.59 06/21/2023 00:40:53 69.15, 164.72 45.72 87.24 67
9 06/23/2023 15:17:42 70.09, -53.38 46.63 06/23/2023 15:18:07 70.09, -53.40 46.63 0.89 25
10 06/23/2023 16:08:24 -69.99, 114.09 133.47 06/23/2023 16:07:37 -69.99, 114.09 133.47 0.26 47
11 06/26/2023 06:43:53 -70.23,-105.14 133.15 06/26/2023 06:45:05 -70.19,-105.01 133.21 6.50 72
12 06/26/2023 07:34:36 70.08, 62.41 46.69 06/26/2023 07:34:32 70.07, 62.46 46.68 2.18 4
13 06/26/2023 08:25:16 -69.87,-129.96 133.53 06/26/2023 08:24:03 -69.91,-130.13 133.47 8.04 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/13/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230614.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/13/2023 in txt file.

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