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: 9/4/2023
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 09/05/2023 00:16:14 69.97, 172.07 62.92 09/05/2023 00:16:41 69.98, 172.14 62.93 2.78 27
2 09/05/2023 01:06:55 -69.84, -20.41 117.20 09/05/2023 01:06:11 -69.86, -20.39 117.17 3.18 44
3 09/07/2023 15:42:28 -70.24, 120.11 115.82 09/07/2023 15:43:39 -70.17, 120.65 115.91 21.90 71
4 09/07/2023 16:33:08 69.90, -72.07 63.85 09/07/2023 16:33:09 69.90, -72.09 63.84 1.17 1
5 09/07/2023 17:23:49 -69.77, 95.45 116.28 09/07/2023 17:22:39 -69.78, 95.39 116.26 2.74 70
6 09/10/2023 07:59:19 -69.97,-123.72 115.09 09/10/2023 08:00:10 -69.95,-123.77 115.12 3.21 51
7 09/10/2023 08:50:03 69.85, 43.78 64.80 09/10/2023 08:49:37 69.84, 43.73 64.79 2.10 26
8 09/10/2023 09:40:28 -68.87,-147.50 116.20 09/10/2023 09:39:22 -68.91,-149.88 116.11 95.46 66
9 09/12/2023 23:25:48 70.86,-176.66 66.83 09/12/2023 23:26:54 70.75,-174.34 66.67 85.92 66
10 09/13/2023 00:16:14 -69.93, -7.88 114.13 09/13/2023 00:16:37 -69.93, -7.90 114.13 0.94 23
11 09/13/2023 01:06:58 69.81, 159.61 65.77 09/13/2023 01:06:04 69.82, 159.59 65.78 1.40 54
12 09/15/2023 15:42:27 69.98, -59.51 66.94 09/15/2023 15:43:34 69.98, -59.56 66.94 2.19 67
13 09/15/2023 16:33:09 -69.89, 107.94 113.14 09/15/2023 16:33:04 -69.88, 107.92 113.16 1.42 5
14 09/15/2023 17:23:47 69.45, -84.11 66.43 09/15/2023 17:22:36 69.49, -84.97 66.48 33.74 71

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 9/4/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230904.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 09/04/2023 in txt file.

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