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: 10/26/2025
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 10/28/2025 08:46:39 -74.81,-144.79 91.84 10/28/2025 08:47:49 -74.72,-143.51 91.99 38.62 70
2 10/28/2025 09:37:17 74.42, 23.59 87.74 10/28/2025 09:37:13 74.43, 23.47 87.76 3.69 4
3 10/28/2025 10:27:50 -73.89,-167.75 92.83 10/28/2025 10:26:42 -73.93,-169.97 92.69 68.57 68
4 10/30/2025 19:08:20 74.49,-119.35 88.61 10/30/2025 19:09:15 74.49,-119.45 88.60 3.20 55
5 10/30/2025 19:59:03 -74.44, 48.09 91.44 10/30/2025 19:58:35 -74.46, 48.14 91.42 2.33 28
6 11/02/2025 05:30:06 -74.52, -94.87 90.59 11/02/2025 05:30:37 -74.49, -94.85 90.62 3.37 31
7 11/02/2025 06:20:50 74.42, 72.72 89.31 11/02/2025 06:19:57 74.41, 72.64 89.32 2.59 53
8 11/04/2025 15:01:22 -75.22, 120.40 89.07 11/04/2025 15:02:27 -75.11, 123.62 89.31 92.32 65
9 11/04/2025 15:51:53 74.50, -70.25 90.15 11/04/2025 15:51:57 74.52, -70.17 90.16 3.37 4
10 11/04/2025 16:42:32 -74.26, 97.69 90.11 11/04/2025 16:41:20 -74.33, 97.07 90.00 20.30 72
11 11/07/2025 01:22:55 74.54, 146.89 90.91 11/07/2025 01:23:58 74.55, 146.86 90.92 1.51 63
12 11/07/2025 02:13:38 -74.50, -45.67 89.13 11/07/2025 02:13:19 -74.47, -45.67 89.16 2.98 19

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/26/2025
SNOs_Map_NOAA-20_TERRA_20251026.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/26/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA