Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/9/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 05/10/2023 14:52:22 -70.34, 132.66 127.39 05/10/2023 14:53:34 -70.27, 133.01 127.48 15.14 72
2 05/10/2023 15:43:03 70.05, -59.60 52.31 05/10/2023 15:43:03 70.06, -59.65 52.31 2.06 0
3 05/10/2023 16:33:45 -69.97, 107.85 127.79 05/10/2023 16:32:32 -70.00, 107.90 127.76 3.38 73
4 05/13/2023 07:09:15 -70.16,-111.30 128.26 05/13/2023 07:10:02 -70.13,-111.31 128.30 3.33 47
5 05/13/2023 07:59:59 70.03, 56.20 51.60 05/13/2023 07:59:29 70.02, 56.18 51.59 1.74 30
6 05/15/2023 22:35:40 70.81,-163.89 51.78 05/15/2023 22:36:48 70.72,-162.19 51.65 63.18 68
7 05/15/2023 23:26:10 -70.09, 4.57 128.98 05/15/2023 23:26:27 -70.11, 4.56 128.95 2.89 17
8 05/16/2023 00:16:55 70.02, 171.98 50.95 05/16/2023 00:15:54 70.00, 172.05 50.93 3.38 61
9 05/18/2023 14:52:23 70.17, -47.12 50.52 05/18/2023 14:53:21 70.18, -47.09 50.52 1.32 58
10 05/18/2023 15:43:05 -70.08, 120.34 129.59 05/18/2023 15:42:51 -70.07, 120.39 129.60 2.43 14
11 05/18/2023 16:33:37 69.33, -71.25 49.63 05/18/2023 16:32:28 69.40, -72.88 49.75 64.49 69
12 05/21/2023 07:09:18 70.13, 68.71 49.91 05/21/2023 07:09:46 70.10, 68.70 49.88 2.83 28
13 05/21/2023 07:59:59 -69.98,-123.75 130.25 05/21/2023 07:59:16 -70.00,-123.82 130.24 3.19 43

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 5/9/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230509.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 05/09/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8