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: 9/22/2025
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 09/24/2025 10:15:11 74.33, 14.29 75.13 09/24/2025 10:15:46 74.34, 14.38 75.13 3.18 35
2 09/24/2025 11:05:54 -74.26,-178.22 104.94 09/24/2025 11:05:09 -74.23,-178.20 104.96 3.50 45
3 09/26/2025 20:36:49 -74.33, 38.87 103.94 09/26/2025 20:37:19 -74.33, 38.92 103.95 1.55 30
4 09/26/2025 21:27:33 74.26,-153.64 76.01 09/26/2025 21:26:38 74.23,-153.62 75.98 3.53 55
5 09/29/2025 06:58:28 74.34, 63.44 77.02 09/29/2025 06:58:47 74.35, 63.55 77.01 3.29 19
6 09/29/2025 07:49:10 -74.23,-128.94 103.11 09/29/2025 07:48:10 -74.24,-129.04 103.08 3.31 60
7 10/01/2025 17:20:04 -74.31, 88.12 102.09 10/01/2025 17:20:18 -74.32, 88.06 102.08 2.42 14
8 10/01/2025 18:10:48 74.24,-104.39 77.85 10/01/2025 18:09:37 74.23,-104.48 77.85 3.22 71
9 10/04/2025 02:51:11 -74.98, -56.41 100.43 10/04/2025 02:52:17 -74.89, -53.69 100.65 79.28 66
10 10/04/2025 03:41:43 74.34, 112.65 78.87 10/04/2025 03:41:45 74.33, 112.67 78.87 0.56 2
11 10/04/2025 04:32:22 -74.07, -79.35 101.41 10/04/2025 04:31:10 -74.12, -80.16 101.32 25.15 72
12 10/06/2025 13:12:40 74.53, -30.58 80.00 10/06/2025 13:13:52 74.46, -30.13 79.89 15.55 72
13 10/06/2025 14:03:21 -74.36, 137.18 100.18 10/06/2025 14:03:15 -74.34, 137.26 100.20 3.17 6

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_NOAA-20_TERRA_20250923.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/22/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA