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: 6/12/2026
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 06/14/2026 05:29:45 70.32, 93.88 47.01 06/14/2026 05:30:56 70.33, 93.86 47.00 1.12 71
2 06/14/2026 06:20:26 -70.21, -98.62 133.12 06/14/2026 06:20:26 -70.22, -98.67 133.11 2.01 0
3 06/14/2026 07:11:08 69.96, 69.06 46.63 06/14/2026 07:09:55 70.01, 68.68 46.69 15.57 73
4 06/16/2026 21:46:37 70.29,-150.29 46.86 06/16/2026 21:47:29 70.27,-150.36 46.84 3.48 52
5 06/16/2026 22:37:19 -70.23, 17.13 133.20 06/16/2026 22:36:58 -70.21, 17.20 133.22 2.99 21
6 06/16/2026 23:27:47 69.23,-174.11 45.77 06/16/2026 23:26:40 69.28,-176.44 45.90 92.12 67
7 06/19/2026 14:03:29 70.25, -34.46 46.78 06/19/2026 14:04:01 70.24, -34.52 46.76 2.63 32
8 06/19/2026 14:54:10 -70.14, 133.03 133.34 06/19/2026 14:53:31 -70.14, 132.96 133.34 2.68 39
9 06/22/2026 05:29:48 -70.94, -87.10 132.51 06/22/2026 05:30:57 -70.80, -85.45 132.71 61.89 69
10 06/22/2026 06:20:21 70.23, 81.36 46.75 06/22/2026 06:20:32 70.25, 81.38 46.77 2.98 11
11 06/22/2026 07:11:02 -70.11,-111.15 133.38 06/22/2026 07:10:03 -70.10,-111.22 133.38 3.08 59
12 06/24/2026 21:46:27 -70.29, 29.73 133.15 06/24/2026 21:47:36 -70.31, 29.69 133.14 2.73 69
13 06/24/2026 22:37:12 70.20,-162.83 46.77 06/24/2026 22:37:03 70.19,-162.83 46.76 1.20 9
14 06/24/2026 23:27:49 -69.87, 4.99 133.58 06/24/2026 23:26:36 -69.93, 4.43 133.50 22.29 73

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/12/2026
SNOs_Map_NOAA-21_LANDSAT-8_20260613.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/12/2026 in txt file.

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