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: 10/13/2025
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 06:39:05 74.41, 68.14 83.49 10/16/2025 06:39:35 74.40, 68.09 83.48 1.63 30
2 10/16/2025 07:29:48 -74.36,-124.40 96.56 10/16/2025 07:28:56 -74.35,-124.36 96.56 1.21 52
3 10/18/2025 17:00:41 -74.40, 92.76 95.64 10/18/2025 17:01:01 -74.40, 92.67 95.65 2.78 20
4 10/18/2025 17:51:25 74.32, -99.71 84.29 10/18/2025 17:50:20 74.35, -99.78 84.32 3.30 65
5 10/21/2025 02:31:48 -75.13, -51.96 93.98 10/21/2025 02:32:54 -75.04, -48.86 94.20 89.33 66
6 10/21/2025 03:22:19 74.43, 117.30 85.26 10/21/2025 03:22:24 74.42, 117.32 85.25 0.81 5
7 10/21/2025 04:12:59 -74.23, -74.86 94.95 10/21/2025 04:11:46 -74.31, -75.26 94.84 15.33 73
8 10/23/2025 12:53:15 74.63, -25.96 86.32 10/23/2025 12:54:26 74.57, -25.39 86.23 18.08 71
9 10/23/2025 13:43:55 -74.43, 141.89 93.89 10/23/2025 13:43:49 -74.41, 141.89 93.91 2.73 6
10 10/23/2025 14:34:25 73.66, -48.89 85.30 10/23/2025 14:33:20 73.73, -51.93 85.49 95.35 65
11 10/25/2025 23:14:48 -74.50, -1.00 92.99 10/25/2025 23:15:52 -74.48, -1.01 93.02 2.21 64
12 10/26/2025 00:05:32 74.42, 166.52 86.94 10/26/2025 00:05:11 74.44, 166.56 86.95 1.84 21

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/13/2025
SNOs_Map_NOAA-20_TERRA_20251014.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/13/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA