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: 10/27/2025
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 -74.80,-144.75 91.86 10/28/2025 08:47:50 -74.68,-143.60 92.03 35.82 71
2 10/28/2025 09:37:18 74.45, 23.50 87.78 10/28/2025 09:37:13 74.45, 23.51 87.77 0.51 5
3 10/28/2025 10:27:50 -73.87,-167.72 92.84 10/28/2025 10:26:42 -73.95,-169.94 92.67 69.08 68
4 10/30/2025 19:08:21 74.52,-119.43 88.64 10/30/2025 19:09:15 74.50,-119.43 88.61 2.35 54
5 10/30/2025 19:59:03 -74.43, 48.13 91.45 10/30/2025 19:58:36 -74.42, 48.04 91.46 2.94 27
6 11/02/2025 05:30:06 -74.50, -94.82 90.61 11/02/2025 05:30:37 -74.49, -94.85 90.62 1.65 31
7 11/02/2025 06:20:51 74.45, 72.64 89.35 11/02/2025 06:19:56 74.46, 72.76 89.36 3.98 55
8 11/04/2025 15:01:22 -75.21, 120.46 89.09 11/04/2025 15:02:27 -75.10, 123.59 89.32 90.03 65
9 11/04/2025 15:51:53 74.48, -70.20 90.13 11/04/2025 15:51:57 74.51, -70.19 90.15 3.16 4
10 11/04/2025 16:42:32 -74.24, 97.74 90.13 11/04/2025 16:41:20 -74.32, 97.04 90.01 22.63 72
11 11/07/2025 01:22:55 74.57, 146.81 90.94 11/07/2025 01:23:56 74.58, 146.92 90.94 3.42 61
12 11/07/2025 02:13:37 -74.48, -45.62 89.15 11/07/2025 02:13:17 -74.50, -45.61 89.13 2.17 20
13 11/09/2025 11:44:39 -74.52, 171.51 88.41 11/09/2025 11:45:17 -74.54, 171.44 88.40 2.98 38
14 11/09/2025 12:35:24 74.47, -21.04 91.55 11/09/2025 12:34:37 74.46, -21.08 91.54 1.91 47

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/27/2025
SNOs_Map_NOAA-20_TERRA_20251027.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/27/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA