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: 4/15/2023
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 04/16/2023 14:52:34 70.31, -47.30 60.08 04/16/2023 14:53:46 70.23, -47.01 59.99 13.76 72
2 04/16/2023 15:43:13 -70.07, 120.39 120.19 04/16/2023 15:43:17 -70.06, 120.38 120.19 0.38 4
3 04/16/2023 16:33:57 69.95, -72.12 59.69 04/16/2023 16:32:44 69.96, -72.12 59.70 1.05 73
4 04/19/2023 07:09:21 70.14, 68.75 58.97 04/19/2023 07:10:15 70.15, 68.74 58.97 0.54 54
5 04/19/2023 08:00:03 -70.05,-123.80 121.14 04/19/2023 07:59:45 -70.04,-123.78 121.16 2.21 18
6 04/19/2023 08:50:32 69.14, 44.83 57.91 04/19/2023 08:49:25 69.21, 42.75 58.04 82.66 67
7 04/21/2023 23:26:11 70.14,-175.47 58.05 04/21/2023 23:26:42 70.13,-175.39 58.03 3.13 31
8 04/22/2023 00:16:52 -70.00, -7.94 122.11 04/22/2023 00:16:12 -70.03, -7.91 122.09 2.92 40
9 04/24/2023 14:52:25 -70.68, 132.16 122.28 04/24/2023 14:53:35 -70.58, 133.50 122.42 50.64 70
10 04/24/2023 15:43:00 70.10, -59.62 57.11 04/24/2023 15:43:09 70.08, -59.58 57.09 2.74 9
11 04/24/2023 16:33:41 -69.96, 107.92 123.05 04/24/2023 16:32:39 -69.98, 107.91 123.03 2.30 62
12 04/27/2023 07:09:04 -70.18,-111.26 123.67 04/27/2023 07:10:07 -70.17,-111.21 123.69 1.79 63
13 04/27/2023 07:59:48 70.08, 56.21 56.22 04/27/2023 07:59:34 70.05, 56.27 56.19 3.19 14
14 04/27/2023 08:50:22 -69.56,-135.70 124.33 04/27/2023 08:49:11 -69.57,-136.77 124.30 41.58 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230415.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/15/2023 in txt file.

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