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: 7/31/2023
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 08/01/2023 07:59:28 69.99, 56.27 51.95 08/01/2023 08:00:04 69.99, 56.27 51.94 0.42 36
2 08/01/2023 08:50:10 -69.90,-136.28 128.14 08/01/2023 08:49:34 -69.88,-136.25 128.16 2.71 36
3 08/03/2023 23:25:49 -70.78, 3.50 126.55 08/03/2023 23:26:57 -70.64, 5.45 126.77 73.11 68
4 08/04/2023 00:16:19 69.94, 172.14 52.58 08/04/2023 00:16:35 69.93, 172.06 52.57 2.97 16
5 08/04/2023 01:07:01 -69.84, -20.41 127.52 08/04/2023 01:06:05 -69.82, -20.45 127.53 2.96 56
6 08/06/2023 15:42:26 -70.05, 120.45 126.60 08/06/2023 15:43:36 -70.06, 120.49 126.60 2.72 70
7 08/06/2023 16:33:10 69.94, -72.09 53.30 08/06/2023 16:33:03 69.95, -72.02 53.31 2.89 7
8 08/06/2023 17:23:48 -69.63, 95.69 127.02 08/06/2023 17:22:36 -69.69, 95.24 126.94 18.26 72
9 08/09/2023 07:59:17 -70.00,-123.70 125.90 08/09/2023 08:00:06 -70.01,-123.70 125.90 1.34 49
10 08/09/2023 08:50:01 69.90, 43.76 54.00 08/09/2023 08:49:33 69.90, 43.78 54.01 0.88 28
11 08/09/2023 09:40:25 -68.84,-147.42 127.09 08/09/2023 09:39:19 -68.91,-149.89 126.91 99.35 66
12 08/11/2023 23:25:44 71.01,-176.85 55.94 08/11/2023 23:26:50 70.91,-174.12 55.74 99.69 66
13 08/12/2023 00:16:08 -69.96, -7.86 125.16 08/12/2023 00:16:35 -69.99, -7.85 125.14 3.05 27
14 08/12/2023 01:06:52 69.86, 159.60 54.75 08/12/2023 01:06:02 69.87, 159.63 54.76 1.75 50

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 7/31/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230731.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 07/31/2023 in txt file.

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