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: 2/17/2023
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 02/19/2023 14:53:19 -70.15, 132.88 98.58 02/19/2023 14:54:27 -70.15, 132.88 98.59 0.35 68
2 02/19/2023 15:44:03 70.04, -59.63 81.29 02/19/2023 15:43:54 70.05, -59.62 81.30 1.24 9
3 02/19/2023 16:34:40 -69.68, 108.21 99.10 02/19/2023 16:33:28 -69.71, 107.54 99.03 26.13 72
4 02/22/2023 07:10:14 -70.13,-111.32 99.57 02/22/2023 07:10:52 -70.14,-111.25 99.57 2.92 38
5 02/22/2023 08:00:57 69.97, 56.24 80.25 02/22/2023 08:00:20 69.98, 56.17 80.27 3.07 37
6 02/24/2023 22:36:32 70.48,-163.42 79.84 02/24/2023 22:37:43 70.41,-162.59 79.71 31.98 71
7 02/24/2023 23:27:08 -70.07, 4.54 100.62 02/24/2023 23:27:17 -70.08, 4.56 100.62 0.94 9
8 02/25/2023 00:17:52 69.96, 172.01 79.26 02/25/2023 00:16:44 69.97, 172.05 79.27 1.56 68
9 02/27/2023 14:53:20 70.13, -47.10 78.45 02/27/2023 14:54:11 70.12, -47.10 78.44 0.33 51
10 02/27/2023 15:44:02 -70.03, 120.37 101.67 02/27/2023 15:43:41 -70.01, 120.37 101.68 1.76 21
11 02/27/2023 16:34:29 69.02, -70.86 77.26 02/27/2023 16:33:23 69.07, -73.25 77.43 95.19 66
12 03/02/2023 06:19:45 -71.04,-100.11 101.58 03/02/2023 06:20:52 -70.94, -97.63 101.80 90.54 67
13 03/02/2023 07:10:12 70.05, 68.78 77.35 03/02/2023 07:10:33 70.06, 68.71 77.36 3.01 21
14 03/02/2023 08:00:54 -69.95,-123.74 102.77 03/02/2023 08:00:03 -69.95,-123.81 102.76 2.62 51

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 2/17/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230217.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 02/17/2023 in txt file.

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