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: 4/20/2023
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 70.11,-175.42 58.02 04/21/2023 23:26:45 70.10,-175.45 58.00 1.25 35
2 04/22/2023 00:16:52 -70.03, -7.97 122.09 04/22/2023 00:16:15 -69.99, -7.97 122.12 3.61 37
3 04/24/2023 14:52:29 -70.92, 131.76 122.02 04/24/2023 14:53:37 -70.81, 133.82 122.19 76.09 68
4 04/24/2023 15:42:59 70.08, -59.58 57.09 04/24/2023 15:43:15 70.11, -59.58 57.11 2.80 16
5 04/24/2023 16:33:41 -69.99, 107.86 123.02 04/24/2023 16:32:45 -70.00, 107.91 123.01 1.65 56
6 04/27/2023 07:09:06 -70.28,-111.41 123.57 04/27/2023 07:10:18 -70.22,-111.20 123.64 10.57 72
7 04/27/2023 07:59:47 70.07, 56.23 56.20 04/27/2023 07:59:45 70.05, 56.21 56.19 1.74 2
8 04/27/2023 08:50:28 -69.92,-136.24 123.96 04/27/2023 08:49:15 -69.95,-136.30 123.93 3.49 73
9 04/29/2023 23:25:52 -70.17, 4.55 124.52 04/29/2023 23:26:48 -70.16, 4.59 124.54 1.77 56
10 04/30/2023 00:16:36 70.07, 172.02 55.36 04/30/2023 00:16:15 70.05, 172.08 55.35 2.72 21
11 04/30/2023 01:07:05 -69.29, -19.52 125.46 04/30/2023 01:05:56 -69.34, -21.25 125.35 68.38 69
12 05/02/2023 15:42:40 -70.13, 120.41 125.38 05/02/2023 15:43:19 -70.11, 120.38 125.40 2.35 39
13 05/02/2023 16:33:24 70.03, -72.13 54.51 05/02/2023 16:32:45 70.05, -72.06 54.53 3.61 39

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/20/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230420.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/20/2023 in txt file.

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