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: 4/21/2023
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 04/21/2023 23:26:10 70.13,-175.45 58.04 04/21/2023 23:26:44 70.13,-175.41 58.03 1.55 34
2 04/22/2023 00:16:51 -69.99, -7.92 122.12 04/22/2023 00:16:14 -70.02, -7.93 122.09 2.93 37
3 04/24/2023 14:52:29 -70.94, 131.73 122.01 04/24/2023 14:53:36 -70.83, 133.85 122.17 77.97 67
4 04/24/2023 15:42:59 70.09, -59.61 57.10 04/24/2023 15:43:15 70.07, -59.63 57.08 2.81 16
5 04/24/2023 16:33:40 -69.96, 107.92 123.05 04/24/2023 16:32:45 -69.96, 107.86 123.04 2.54 55
6 04/27/2023 07:09:05 -70.23,-111.34 123.61 04/27/2023 07:10:17 -70.23,-111.18 123.63 6.10 72
7 04/27/2023 07:59:48 70.07, 56.22 56.21 04/27/2023 07:59:45 70.06, 56.23 56.20 1.14 3
8 04/27/2023 08:50:29 -69.93,-136.25 123.95 04/27/2023 08:49:15 -69.96,-136.28 123.92 3.22 74
9 04/29/2023 23:25:53 -70.17, 4.55 124.52 04/29/2023 23:26:48 -70.17, 4.60 124.53 1.89 55
10 04/30/2023 00:16:37 70.06, 172.02 55.36 04/30/2023 00:16:15 70.06, 172.09 55.35 2.52 22
11 04/30/2023 01:07:05 -69.23, -19.44 125.51 04/30/2023 01:05:57 -69.29, -21.32 125.40 74.10 68
12 05/02/2023 15:42:40 -70.11, 120.43 125.39 05/02/2023 15:43:18 -70.11, 120.38 125.41 1.93 38
13 05/02/2023 16:33:24 70.01, -72.11 54.49 05/02/2023 16:32:45 69.99, -72.14 54.47 2.47 39

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230421.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/21/2023 in txt file.

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