Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/4/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 08/04/2025 09:31:03 74.05, 25.93 57.30 08/04/2025 09:31:43 74.07, 25.88 57.30 2.22 40
2 08/04/2025 10:21:46 -74.02,-166.67 122.74 08/04/2025 10:21:04 -73.99,-166.62 122.75 3.11 42
3 08/06/2025 19:52:43 -74.09, 50.42 122.00 08/06/2025 19:53:23 -74.07, 50.41 122.04 2.71 40
4 08/06/2025 20:43:27 73.99,-142.01 57.89 08/06/2025 20:42:43 73.99,-142.08 57.91 2.10 44
5 08/09/2025 06:14:24 74.07, 75.06 58.66 08/09/2025 06:15:01 74.09, 75.01 58.67 3.08 37
6 08/09/2025 07:05:07 -74.03,-117.52 121.39 08/09/2025 07:04:22 -74.04,-117.45 121.37 2.29 45
7 08/11/2025 16:36:04 -74.10, 99.56 120.60 08/11/2025 16:36:40 -74.13, 99.62 120.59 3.22 36
8 08/11/2025 17:26:48 74.01, -92.90 59.31 08/11/2025 17:26:00 74.04, -92.91 59.35 2.83 48
9 08/14/2025 02:57:44 74.10, 124.16 60.13 08/14/2025 02:58:17 74.10, 124.12 60.13 1.40 33
10 08/14/2025 03:48:27 -74.05, -68.40 119.92 08/14/2025 03:47:38 -74.06, -68.31 119.90 3.25 49
11 08/16/2025 13:19:24 -74.13, 148.66 119.08 08/16/2025 13:19:56 -74.12, 148.69 119.11 1.37 32
12 08/16/2025 14:10:08 74.05, -43.82 60.84 08/16/2025 14:09:15 74.07, -43.76 60.86 2.83 53

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_NOAA-20_TERRA_20250804.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 08/04/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA