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: 1/15/2023
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 01/15/2023 22:36:50 -70.50, 16.60 88.45 01/15/2023 22:38:01 -70.44, 17.46 88.56 32.83 71
2 01/15/2023 23:27:28 70.07,-175.42 91.09 01/15/2023 23:27:33 70.06,-175.44 91.08 1.09 5
3 01/16/2023 00:18:09 -69.93, -7.89 89.07 01/16/2023 00:17:03 -69.95, -7.97 89.04 3.49 66
4 01/18/2023 14:53:36 -70.13, 132.94 89.36 01/18/2023 14:54:31 -70.16, 132.94 89.34 3.35 55
5 01/18/2023 15:44:20 70.02, -59.57 90.52 01/18/2023 15:43:59 70.00, -59.64 90.50 3.38 21
6 01/18/2023 16:34:49 -69.24, 108.88 90.31 01/18/2023 16:33:40 -69.28, 107.02 90.19 73.40 69
7 01/21/2023 07:10:29 -70.09,-111.22 89.97 01/21/2023 07:10:57 -70.12,-111.22 89.94 3.53 28
8 01/21/2023 08:01:13 69.98, 56.26 89.91 01/21/2023 08:00:24 70.01, 56.26 89.95 3.43 49
9 01/23/2023 22:36:41 70.20,-162.95 89.56 01/23/2023 22:37:52 70.20,-162.84 89.54 3.90 71
10 01/23/2023 23:27:22 -70.06, 4.60 90.61 01/23/2023 23:27:23 -70.04, 4.56 90.63 2.19 1
11 01/24/2023 00:18:04 69.84, 172.23 89.16 01/24/2023 00:16:51 69.87, 171.97 89.21 10.57 73
12 01/26/2023 14:53:33 70.13, -47.07 88.83 01/26/2023 14:54:17 70.14, -47.03 88.83 1.49 44
13 01/26/2023 15:44:15 -70.03, 120.40 91.28 01/26/2023 15:43:47 -70.04, 120.45 91.28 1.91 28

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/15/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230115.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/15/2023 in txt file.

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