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: 3/22/2023
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 03/23/2023 14:53:06 -70.14, 132.88 110.96 03/23/2023 14:54:07 -70.16, 132.88 110.95 2.27 61
2 03/23/2023 15:43:49 70.03, -59.64 68.92 03/23/2023 15:43:34 70.00, -59.69 68.89 3.33 15
3 03/23/2023 16:34:21 -69.41, 108.58 111.75 03/23/2023 16:33:11 -69.50, 107.25 111.60 52.96 70
4 03/26/2023 07:09:57 -70.12,-111.32 112.04 03/26/2023 07:10:32 -70.12,-111.28 112.04 1.47 35
5 03/26/2023 08:00:41 70.01, 56.16 67.84 03/26/2023 07:59:59 70.02, 56.21 67.85 2.22 42
6 03/28/2023 22:36:13 70.52,-163.49 67.35 03/28/2023 22:37:24 70.38,-162.65 67.17 34.85 71
7 03/28/2023 23:26:48 -70.06, 4.55 113.16 03/28/2023 23:26:58 -70.05, 4.51 113.17 1.88 10
8 03/29/2023 00:17:32 69.95, 172.02 66.72 03/29/2023 00:16:25 69.94, 172.00 66.72 1.65 67
9 03/31/2023 14:52:58 70.16, -47.14 65.92 03/31/2023 14:53:52 70.16, -47.07 65.91 2.45 54
10 03/31/2023 15:43:40 -70.06, 120.33 114.20 03/31/2023 15:43:22 -70.05, 120.41 114.21 3.09 18
11 03/31/2023 16:34:09 69.16, -71.05 64.85 03/31/2023 16:33:02 69.22, -73.08 64.99 80.49 67
12 04/03/2023 07:09:49 70.12, 68.70 64.84 04/03/2023 07:10:16 70.13, 68.77 64.84 2.84 27
13 04/03/2023 08:00:29 -69.97,-123.75 115.33 04/03/2023 07:59:46 -69.96,-123.82 115.33 2.62 43

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/22/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230322.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/22/2023 in txt file.

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