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: 10/9/2025
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 10/11/2025 09:55:51 74.41, 18.95 81.69 10/11/2025 09:56:44 74.40, 18.90 81.68 1.46 53
2 10/11/2025 10:46:34 -74.35,-173.59 98.36 10/11/2025 10:46:05 -74.36,-173.52 98.35 2.40 29
3 10/13/2025 20:17:28 -74.43, 43.48 97.38 10/13/2025 20:18:11 -74.41, 43.52 97.41 2.42 43
4 10/13/2025 21:08:12 74.35,-149.00 82.55 10/13/2025 21:07:30 74.35,-148.96 82.55 1.49 42
5 10/16/2025 06:39:06 74.44, 68.05 83.53 10/16/2025 06:39:35 74.43, 68.15 83.50 3.48 29
6 10/16/2025 07:29:48 -74.34,-124.35 96.58 10/16/2025 07:28:57 -74.33,-124.41 96.58 1.77 51
7 10/18/2025 17:00:42 -74.43, 92.69 95.61 10/18/2025 17:01:01 -74.44, 92.76 95.61 2.26 19
8 10/18/2025 17:51:26 74.36, -99.80 84.33 10/18/2025 17:50:21 74.32, -99.82 84.30 3.57 65
9 10/21/2025 02:31:49 -75.16, -52.04 93.95 10/21/2025 02:32:54 -75.08, -48.74 94.16 94.50 65
10 10/21/2025 03:22:19 74.41, 117.35 85.24 10/21/2025 03:22:25 74.41, 117.30 85.24 1.47 6

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/9/2025
SNOs_Map_NOAA-20_TERRA_20251009.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/09/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA