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: 10/23/2025
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 10/23/2025 12:53:45 74.48, -25.69 86.16 10/23/2025 12:54:27 74.48, -25.62 86.14 2.10 42
2 10/23/2025 13:44:27 -74.39, 141.87 93.94 10/23/2025 13:43:48 -74.40, 141.88 93.92 2.09 39
3 10/25/2025 23:15:30 -74.44, -1.03 93.06 10/25/2025 23:15:51 -74.46, -1.06 93.04 2.36 21
4 10/26/2025 00:06:15 74.39, 166.43 86.90 10/26/2025 00:05:11 74.37, 166.40 86.90 1.73 64
5 10/28/2025 08:46:39 -74.79,-144.73 91.87 10/28/2025 08:47:50 -74.69,-143.58 92.02 35.39 71
6 10/28/2025 09:37:18 74.45, 23.51 87.78 10/28/2025 09:37:13 74.45, 23.52 87.78 0.52 5
7 10/28/2025 10:27:50 -73.87,-167.70 92.85 10/28/2025 10:26:42 -73.96,-169.92 92.66 69.12 68
8 10/30/2025 19:08:21 74.52,-119.42 88.64 10/30/2025 19:09:15 74.50,-119.42 88.61 1.68 54
9 10/30/2025 19:59:03 -74.42, 48.15 91.46 10/30/2025 19:58:36 -74.42, 48.07 91.45 2.40 27
10 11/02/2025 05:30:06 -74.50, -94.80 90.61 11/02/2025 05:30:37 -74.50, -94.83 90.62 0.73 31
11 11/02/2025 06:20:51 74.44, 72.65 89.35 11/02/2025 06:19:57 74.41, 72.65 89.32 3.74 54
12 11/04/2025 15:01:21 -75.20, 120.48 89.10 11/04/2025 15:02:26 -75.10, 123.60 89.31 89.67 65
13 11/04/2025 15:51:52 74.48, -70.19 90.13 11/04/2025 15:51:56 74.51, -70.19 90.15 3.18 4

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/23/2025
SNOs_Map_NOAA-20_TERRA_20251023.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/23/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA