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: 6/15/2023
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 06/18/2023 06:44:02 70.48, 74.47 47.06 06/18/2023 06:45:13 70.36, 75.21 46.90 30.66 71
2 06/18/2023 07:34:38 -70.07,-117.58 133.37 06/18/2023 07:34:46 -70.08,-117.56 133.37 1.17 8
3 06/18/2023 08:25:22 69.96, 49.90 46.51 06/18/2023 08:24:13 69.97, 49.94 46.53 2.24 69
4 06/20/2023 23:00:49 70.14,-169.23 46.67 06/20/2023 23:01:41 70.17,-169.18 46.69 3.26 52
5 06/20/2023 23:51:31 -70.05, -1.77 133.43 06/20/2023 23:51:11 -70.06, -1.70 133.42 2.72 20
6 06/21/2023 00:41:59 69.09, 166.93 45.57 06/21/2023 00:40:52 69.17, 164.74 45.74 87.23 67
7 06/23/2023 15:17:43 70.13, -53.44 46.68 06/23/2023 15:18:07 70.12, -53.36 46.66 3.36 24
8 06/23/2023 16:08:24 -69.98, 114.10 133.48 06/23/2023 16:07:37 -70.01, 114.12 133.45 3.20 47
9 06/26/2023 06:43:53 -70.23,-105.13 133.16 06/26/2023 06:45:05 -70.22,-104.98 133.19 5.78 72
10 06/26/2023 07:34:36 70.07, 62.42 46.68 06/26/2023 07:34:33 70.04, 62.42 46.65 3.03 3
11 06/26/2023 08:25:17 -69.92,-130.03 133.48 06/26/2023 08:24:03 -69.94,-130.09 133.45 3.33 74
12 06/28/2023 23:00:45 -70.12, 10.81 133.16 06/28/2023 23:01:31 -70.12, 10.78 133.16 1.32 46
13 06/28/2023 23:51:29 70.02, 178.27 46.74 06/28/2023 23:50:58 70.00, 178.26 46.73 1.65 31

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/15/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230616.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/15/2023 in txt file.

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