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: 8/8/2025
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 08/09/2025 06:14:24 74.08, 75.02 58.68 08/09/2025 06:15:01 74.08, 74.97 58.66 1.81 37
2 08/09/2025 07:05:06 -74.00,-117.45 121.42 08/09/2025 07:04:22 -74.01,-117.50 121.39 2.47 44
3 08/11/2025 16:36:04 -74.12, 99.51 120.58 08/11/2025 16:36:40 -74.10, 99.57 120.61 2.66 36
4 08/11/2025 17:26:48 74.02, -92.93 59.33 08/11/2025 17:26:00 74.02, -92.95 59.33 0.71 48
5 08/14/2025 02:57:45 74.11, 124.13 60.14 08/14/2025 02:58:18 74.09, 124.08 60.11 2.79 33
6 08/14/2025 03:48:28 -74.06, -68.43 119.91 08/14/2025 03:47:39 -74.04, -68.36 119.92 3.12 49
7 08/16/2025 13:19:24 -74.09, 148.76 119.13 08/16/2025 13:19:57 -74.10, 148.65 119.12 3.45 33
8 08/16/2025 14:10:09 74.05, -43.83 60.84 08/16/2025 14:09:16 74.05, -43.79 60.85 1.40 53
9 08/18/2025 23:41:05 74.14, 173.22 61.71 08/18/2025 23:41:32 74.14, 173.28 61.69 2.07 27
10 08/19/2025 00:31:47 -74.04, -19.20 118.41 08/19/2025 00:30:54 -74.06, -19.23 118.37 2.87 53
11 08/21/2025 10:02:44 -74.12,-162.14 117.53 08/21/2025 10:03:11 -74.14,-162.17 117.52 2.47 27

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 8/8/2025
SNOs_Map_NOAA-20_TERRA_20250808.jpg

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

Historial Predications of SNOs between NOAA-20 and TERRA