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: 5/3/2023
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 05/03/2023 23:00:53 70.65,-169.93 54.78 05/03/2023 23:02:02 70.55,-168.60 54.65 50.28 69
2 05/03/2023 23:51:25 -70.04, -1.65 125.87 05/03/2023 23:51:39 -70.05, -1.69 125.86 1.77 14
3 05/04/2023 00:42:10 69.96, 165.77 54.05 05/04/2023 00:41:06 69.95, 165.81 54.03 2.57 64
4 05/06/2023 15:17:40 70.12, -53.34 53.47 05/06/2023 15:18:35 70.12, -53.33 53.46 0.59 55
5 05/06/2023 16:08:21 -69.99, 114.18 126.69 05/06/2023 16:08:05 -70.00, 114.13 126.67 2.50 16
6 05/06/2023 16:58:52 69.17, -77.33 52.47 05/06/2023 16:57:44 69.23, -79.26 52.58 76.81 68
7 05/09/2023 07:34:36 70.08, 62.48 52.69 05/09/2023 07:35:00 70.10, 62.53 52.70 2.67 24
8 05/09/2023 08:25:18 -70.00,-130.07 127.41 05/09/2023 08:24:30 -69.99,-130.00 127.42 3.06 48
9 05/11/2023 23:00:47 -70.17, 10.80 127.91 05/11/2023 23:01:57 -70.16, 10.87 127.93 2.56 70
10 05/11/2023 23:51:31 70.05, 178.29 51.96 05/11/2023 23:51:24 70.05, 178.35 51.96 2.52 7
11 05/12/2023 00:42:09 -69.75, -13.94 128.36 05/12/2023 00:40:56 -69.83, -14.32 128.27 17.16 73
12 05/14/2023 15:17:42 -70.09, 126.69 128.66 05/14/2023 15:18:22 -70.09, 126.66 128.66 1.22 40
13 05/14/2023 16:08:26 69.97, -65.83 51.22 05/14/2023 16:07:49 69.98, -65.85 51.23 1.27 37

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/3/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230503.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/03/2023 in txt file.

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