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: 1/23/2023
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 01/23/2023 22:36:50 70.69,-163.71 90.07 01/23/2023 22:38:00 70.58,-162.36 89.90 51.16 70
2 01/23/2023 23:27:22 -70.07, 4.57 90.59 01/23/2023 23:27:37 -70.08, 4.55 90.59 1.48 15
3 01/24/2023 00:18:06 69.95, 172.06 89.28 01/24/2023 00:17:04 69.98, 172.05 89.31 2.62 62
4 01/26/2023 14:53:33 70.15, -47.09 88.85 01/26/2023 14:54:38 70.14, -47.12 88.83 1.39 65
5 01/26/2023 15:44:15 -70.06, 120.37 91.26 01/26/2023 15:44:08 -70.04, 120.36 91.28 2.02 7
6 01/26/2023 16:34:52 69.57, -71.60 88.22 01/26/2023 16:33:41 69.60, -72.60 88.30 38.90 71
7 01/29/2023 07:10:24 70.09, 68.77 88.10 01/29/2023 07:11:07 70.11, 68.71 88.11 3.16 43
8 01/29/2023 08:01:06 -70.00,-123.77 92.01 01/29/2023 08:00:37 -70.01,-123.81 92.00 1.52 29
9 01/31/2023 22:36:49 -71.05, 15.70 91.62 01/31/2023 22:37:55 -70.97, 18.22 91.80 91.63 66
10 01/31/2023 23:27:17 70.10,-175.48 87.38 01/31/2023 23:27:36 70.09,-175.44 87.36 1.74 19
11 02/01/2023 00:17:59 -70.01, -8.01 92.74 02/01/2023 00:17:06 -69.99, -7.95 92.75 3.02 53
12 02/03/2023 14:53:26 -70.23, 132.79 93.25 02/03/2023 14:54:37 -70.21, 132.96 93.29 6.73 71
13 02/03/2023 15:44:08 70.02, -59.58 86.52 02/03/2023 15:44:05 70.04, -59.64 86.54 2.93 3
14 02/03/2023 16:34:49 -69.87, 107.97 93.65 02/03/2023 16:33:36 -69.88, 107.78 93.62 7.35 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/23/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230123.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/23/2023 in txt file.

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