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: 10/16/2025
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 10/16/2025 06:39:08 74.43, 68.07 83.52 10/16/2025 06:39:35 74.41, 68.10 83.49 2.89 27
2 10/16/2025 07:29:50 -74.33,-124.35 96.59 10/16/2025 07:28:56 -74.35,-124.36 96.56 2.46 54
3 10/18/2025 16:10:24 75.10, -76.52 85.12 10/18/2025 16:11:29 75.02, -73.50 84.91 87.03 65
4 10/18/2025 17:00:54 -74.42, 92.67 95.62 10/18/2025 17:01:01 -74.39, 92.66 95.65 2.71 7
5 10/18/2025 17:51:34 74.12, -99.26 84.07 10/18/2025 17:50:23 74.19,-100.14 84.18 27.47 71
6 10/21/2025 02:31:57 -74.46, -50.19 94.72 10/21/2025 02:33:05 -74.45, -50.27 94.74 2.46 68
7 10/21/2025 03:22:42 74.41, 117.24 85.24 10/21/2025 03:22:24 74.41, 117.29 85.23 1.39 18
8 10/23/2025 12:53:45 74.46, -25.64 86.13 10/23/2025 12:54:28 74.44, -25.70 86.11 3.00 43
9 10/23/2025 13:44:28 -74.41, 141.82 93.92 10/23/2025 13:43:49 -74.38, 141.82 93.94 3.42 39
10 10/25/2025 23:15:31 -74.46, -1.08 93.03 10/25/2025 23:15:51 -74.48, -1.01 93.02 3.07 20
11 10/26/2025 00:06:14 74.36, 166.49 86.88 10/26/2025 00:05:10 74.38, 166.44 86.91 2.65 64
12 10/28/2025 08:46:39 -74.81,-144.77 91.85 10/28/2025 08:47:49 -74.71,-143.52 92.00 38.16 70
13 10/28/2025 09:37:18 74.47, 23.45 87.80 10/28/2025 09:37:12 74.46, 23.56 87.79 3.51 6

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/16/2025
SNOs_Map_NOAA-20_TERRA_20251016.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/16/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA