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: 3/14/2023
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 03/15/2023 14:53:14 70.16, -47.16 72.24 03/15/2023 14:54:12 70.17, -47.09 72.25 3.42 58
2 03/15/2023 15:43:55 -70.01, 120.37 107.92 03/15/2023 15:43:43 -70.00, 120.30 107.93 2.99 12
3 03/15/2023 16:34:28 69.31, -71.30 71.33 03/15/2023 16:33:19 69.40, -72.88 71.49 62.68 69
4 03/18/2023 07:10:06 70.10, 68.69 71.13 03/18/2023 07:10:40 70.13, 68.72 71.14 3.19 34
5 03/18/2023 08:00:48 -70.01,-123.85 108.99 03/18/2023 08:00:10 -70.02,-123.80 108.98 2.00 38
6 03/20/2023 22:36:24 -70.70, 16.22 109.30 03/20/2023 22:37:33 -70.58, 17.62 109.48 53.48 69
7 03/20/2023 23:26:58 70.07,-175.48 70.02 03/20/2023 23:27:07 70.09,-175.45 70.04 2.93 9
8 03/21/2023 00:17:40 -69.97, -8.02 110.10 03/21/2023 00:16:37 -69.98, -7.97 110.08 2.20 63
9 03/23/2023 14:53:06 -70.15, 132.86 110.94 03/23/2023 14:54:06 -70.17, 132.91 110.93 3.12 60
10 03/23/2023 15:43:50 70.05, -59.68 68.94 03/23/2023 15:43:33 70.06, -59.60 68.95 3.04 17
11 03/23/2023 16:34:22 -69.42, 108.56 111.73 03/23/2023 16:33:12 -69.46, 107.20 111.64 53.34 70
12 03/26/2023 07:09:56 -70.09,-111.28 112.06 03/26/2023 07:10:31 -70.10,-111.30 112.07 1.20 35
13 03/26/2023 08:00:40 69.99, 56.19 67.82 03/26/2023 07:59:58 69.98, 56.18 67.81 1.43 42

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/14/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230314.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/14/2023 in txt file.

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