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: 4/3/2023
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 04/04/2023 15:18:13 70.11, -53.39 64.32 04/04/2023 15:18:57 70.09, -53.38 64.29 2.39 44
2 04/04/2023 16:08:54 -69.97, 114.14 115.85 04/04/2023 16:08:27 -69.97, 114.09 115.84 1.92 27
3 04/07/2023 06:44:37 -71.10,-106.52 115.65 04/07/2023 06:45:43 -71.01,-103.77 115.83 99.82 66
4 04/07/2023 07:35:03 70.05, 62.48 63.24 04/07/2023 07:35:26 70.03, 62.42 63.22 3.02 23
5 04/07/2023 08:25:45 -69.96,-130.07 116.87 04/07/2023 08:24:55 -69.98,-130.03 116.85 2.42 50
6 04/09/2023 23:01:13 -70.33, 10.53 117.47 04/09/2023 23:02:24 -70.27, 10.99 117.55 18.40 71
7 04/09/2023 23:51:54 70.06, 178.25 62.24 04/09/2023 23:51:53 70.05, 178.32 62.22 3.10 1
8 04/10/2023 00:42:34 -69.92, -14.22 117.93 04/10/2023 00:41:22 -69.94, -14.20 117.90 2.71 72
9 04/12/2023 15:17:59 -70.13, 126.61 118.66 04/12/2023 15:18:52 -70.13, 126.68 118.67 2.59 53
10 04/12/2023 16:08:42 69.98, -65.84 61.16 04/12/2023 16:08:20 69.96, -65.91 61.15 3.12 22
11 04/12/2023 16:59:10 -69.14, 102.69 119.72 04/12/2023 16:58:02 -69.20, 100.69 119.60 79.46 68
12 04/15/2023 07:34:48 -70.06,-117.49 119.71 04/15/2023 07:35:19 -70.07,-117.53 119.71 1.55 31
13 04/15/2023 08:25:32 69.96, 49.97 60.17 04/15/2023 08:24:46 69.95, 49.95 60.17 1.41 46

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/3/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230403.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/03/2023 in txt file.

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