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: 7/21/2023
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 07/24/2023 07:09:11 71.00, 67.33 51.17 07/24/2023 07:10:16 70.90, 69.98 50.95 96.82 65
2 07/24/2023 07:59:35 -69.96,-123.69 129.94 07/24/2023 08:00:01 -69.97,-123.76 129.93 2.99 26
3 07/24/2023 08:50:19 69.85, 43.78 49.96 07/24/2023 08:49:28 69.87, 43.74 49.99 2.43 51
4 07/26/2023 23:25:48 70.23,-175.66 50.93 07/26/2023 23:27:00 70.16,-175.25 50.83 17.56 72
5 07/27/2023 00:16:26 -69.93, -7.87 129.39 07/27/2023 00:16:32 -69.94, -7.92 129.37 2.83 6
6 07/27/2023 01:07:10 69.82, 159.60 50.51 07/27/2023 01:05:59 69.83, 159.57 50.54 1.85 71
7 07/29/2023 15:42:37 70.06, -59.60 51.36 07/29/2023 15:43:33 70.05, -59.53 51.34 2.96 56
8 07/29/2023 16:33:18 -69.90, 107.94 128.80 07/29/2023 16:33:04 -69.89, 107.89 128.80 2.39 14
9 07/29/2023 17:23:50 69.16, -83.68 50.44 07/29/2023 17:22:41 69.23, -85.37 50.59 67.31 69
10 08/01/2023 07:59:28 69.99, 56.28 51.94 08/01/2023 08:00:05 69.98, 56.25 51.93 1.49 37
11 08/01/2023 08:50:10 -69.89,-136.25 128.16 08/01/2023 08:49:35 -69.88,-136.26 128.16 0.62 35
12 08/03/2023 23:25:50 -70.81, 3.44 126.51 08/03/2023 23:26:57 -70.71, 5.56 126.70 78.25 67
13 08/04/2023 00:16:19 69.93, 172.14 52.57 08/04/2023 00:16:36 69.94, 172.08 52.58 2.97 17
14 08/04/2023 01:07:01 -69.83, -20.38 127.54 08/04/2023 01:06:06 -69.85, -20.43 127.51 2.87 55

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/21/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230722.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/21/2023 in txt file.

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