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: 6/7/2023
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 06/10/2023 06:44:08 -70.78,-106.00 132.25 06/10/2023 06:45:17 -70.66,-104.36 132.42 61.62 69
2 06/10/2023 07:34:41 70.08, 62.41 47.03 06/10/2023 07:34:53 70.06, 62.42 47.01 1.75 12
3 06/10/2023 08:25:22 -69.94,-130.06 133.12 06/10/2023 08:24:23 -69.95,-130.11 133.11 2.02 59
4 06/12/2023 23:00:51 -70.16, 10.75 133.07 06/12/2023 23:01:53 -70.16, 10.79 133.08 1.20 62
5 06/12/2023 23:51:35 70.04, 178.24 46.81 06/12/2023 23:51:20 70.05, 178.28 46.81 1.79 15
6 06/13/2023 00:42:08 -69.48, -13.61 133.79 06/13/2023 00:40:57 -69.55, -14.77 133.67 46.11 71
7 06/15/2023 15:17:44 -70.12, 126.58 133.24 06/15/2023 15:18:19 -70.12, 126.62 133.25 1.51 35
8 06/15/2023 16:08:28 70.01, -65.95 46.65 06/15/2023 16:07:46 70.01, -65.90 46.65 1.90 42
9 06/18/2023 06:44:01 70.46, 74.51 47.03 06/18/2023 06:45:12 70.39, 75.25 46.93 28.69 71
10 06/18/2023 07:34:37 -70.04,-117.53 133.41 06/18/2023 07:34:46 -70.06,-117.58 133.39 3.03 9
11 06/18/2023 08:25:21 69.93, 49.94 46.48 06/18/2023 08:24:13 69.95, 49.90 46.50 2.02 68
12 06/20/2023 23:00:49 70.12,-169.20 46.65 06/20/2023 23:01:42 70.13,-169.23 46.65 1.43 53
13 06/20/2023 23:51:31 -70.02, -1.73 133.46 06/20/2023 23:51:12 -70.03, -1.74 133.45 1.04 19

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230608.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/07/2023 in txt file.

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