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: 10/12/2025
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 10/13/2025 20:17:28 -74.43, 43.49 97.39 10/13/2025 20:18:11 -74.41, 43.51 97.41 2.00 43
2 10/13/2025 21:08:12 74.35,-148.98 82.54 10/13/2025 21:07:30 74.35,-148.95 82.55 1.03 42
3 10/16/2025 06:39:06 74.44, 68.07 83.52 10/16/2025 06:39:35 74.43, 68.14 83.50 2.60 29
4 10/16/2025 07:29:48 -74.34,-124.35 96.58 10/16/2025 07:28:57 -74.32,-124.43 96.58 2.70 51
5 10/18/2025 17:00:42 -74.43, 92.69 95.61 10/18/2025 17:01:01 -74.42, 92.72 95.63 1.65 19
6 10/18/2025 17:51:26 74.35, -99.79 84.32 10/18/2025 17:50:20 74.37, -99.73 84.34 2.39 66
7 10/21/2025 02:31:48 -75.16, -52.04 93.95 10/21/2025 02:32:53 -75.06, -48.81 94.18 93.19 65
8 10/21/2025 03:22:18 74.41, 117.35 85.24 10/21/2025 03:22:23 74.44, 117.37 85.27 3.60 5
9 10/21/2025 04:12:59 -74.26, -74.94 94.92 10/21/2025 04:11:46 -74.28, -75.33 94.87 12.22 73
10 10/23/2025 12:53:14 74.62, -25.91 86.31 10/23/2025 12:54:26 74.54, -25.47 86.20 15.60 72
11 10/23/2025 13:43:54 -74.42, 141.94 93.91 10/23/2025 13:43:48 -74.43, 141.94 93.90 1.45 6
12 10/23/2025 14:34:25 73.70, -48.96 85.33 10/23/2025 14:33:20 73.70, -52.00 85.46 94.96 65
13 10/25/2025 23:14:47 -74.48, -0.95 93.01 10/25/2025 23:15:51 -74.50, -0.97 93.00 1.70 64
14 10/26/2025 00:05:31 74.41, 166.57 86.92 10/26/2025 00:05:11 74.40, 166.47 86.92 2.80 20

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/12/2025
SNOs_Map_NOAA-20_TERRA_20251013.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/12/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA