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: 10/22/2025
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 74.47, -25.67 86.14 10/23/2025 12:54:27 74.49, -25.60 86.15 2.88 42
2 10/23/2025 13:44:27 -74.37, 141.90 93.95 10/23/2025 13:43:49 -74.36, 141.78 93.95 3.67 38
3 10/25/2025 23:15:31 -74.48, -1.12 93.02 10/25/2025 23:15:51 -74.47, -1.04 93.03 2.66 20
4 10/26/2025 00:06:15 74.38, 166.45 86.89 10/26/2025 00:05:11 74.38, 166.42 86.90 1.03 64
5 10/28/2025 08:46:40 -74.83,-144.83 91.82 10/28/2025 08:47:50 -74.70,-143.57 92.02 39.70 70
6 10/28/2025 09:37:18 74.44, 23.54 87.76 10/28/2025 09:37:13 74.45, 23.53 87.78 1.54 5
7 10/28/2025 10:27:50 -73.85,-167.67 92.86 10/28/2025 10:26:43 -73.91,-170.02 92.71 72.89 67
8 10/30/2025 19:08:21 74.51,-119.40 88.63 10/30/2025 19:09:15 74.50,-119.44 88.61 1.89 54
9 10/30/2025 19:59:03 -74.41, 48.17 91.47 10/30/2025 19:58:36 -74.42, 48.05 91.46 3.67 27
10 11/02/2025 05:30:05 -74.49, -94.78 90.62 11/02/2025 05:30:36 -74.48, -94.86 90.64 2.81 31
11 11/02/2025 06:20:50 74.44, 72.67 89.34 11/02/2025 06:19:55 74.44, 72.73 89.35 1.92 55
12 11/04/2025 15:01:20 -75.14, 120.64 89.16 11/04/2025 15:02:26 -75.07, 123.53 89.34 82.86 66
13 11/04/2025 15:51:52 74.47, -70.17 90.12 11/04/2025 15:51:56 74.48, -70.26 90.12 2.64 4

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/22/2025
SNOs_Map_NOAA-20_TERRA_20251022.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/22/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA