Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/5/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/06/2025 23:50:38 70.07, 178.30 63.19 04/06/2025 23:51:36 70.06, 178.32 63.17 0.97 58
2 04/07/2025 00:41:19 -69.94, -14.19 116.96 04/07/2025 00:41:06 -69.95, -14.20 116.95 1.35 13
3 04/07/2025 01:31:52 69.22, 154.17 62.28 04/07/2025 01:30:43 69.29, 152.55 62.41 64.41 69
4 04/09/2025 16:07:35 69.99, -65.83 62.10 04/09/2025 16:08:03 69.99, -65.89 62.10 2.62 28
5 04/09/2025 16:58:17 -69.91, 101.61 118.00 04/09/2025 16:57:32 -69.93, 101.66 117.97 3.35 45
6 04/12/2025 07:33:50 -70.10,-117.55 118.76 04/12/2025 07:35:02 -70.09,-117.51 118.78 2.24 72
7 04/12/2025 08:24:34 69.98, 49.94 61.10 04/12/2025 08:24:29 69.98, 49.98 61.10 1.30 5
8 04/12/2025 09:15:13 -69.73,-142.37 119.17 04/12/2025 09:14:01 -69.76,-142.69 119.13 12.69 72
9 04/14/2025 23:50:48 -70.05, -1.72 119.78 04/14/2025 23:51:28 -70.03, -1.70 119.81 2.37 40
10 04/15/2025 00:41:32 69.93, 165.77 60.09 04/15/2025 00:40:55 69.92, 165.78 60.07 1.84 37
11 04/17/2025 15:17:09 70.38, -53.79 59.63 04/17/2025 15:18:20 70.25, -53.12 59.47 28.54 71
12 04/17/2025 16:07:45 -69.97, 114.17 120.82 04/17/2025 16:07:53 -69.98, 114.12 120.81 2.57 8
13 04/17/2025 16:58:29 69.85, -78.35 59.05 04/17/2025 16:57:20 69.87, -78.40 59.07 2.16 69

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/5/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250405.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 04/05/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8