Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/6/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/08/2025 07:11:41 73.63, 62.06 66.51 04/08/2025 07:12:51 73.62, 62.02 66.48 1.87 70
2 04/08/2025 08:02:24 -73.56,-130.45 113.60 04/08/2025 08:02:12 -73.56,-130.44 113.59 0.51 12
3 04/10/2025 17:33:33 -74.39, 84.79 113.56 04/10/2025 17:34:38 -74.32, 87.99 113.82 96.25 65
4 04/10/2025 18:24:02 73.59,-105.94 65.54 04/10/2025 18:24:11 73.58,-105.94 65.52 1.37 9
5 04/10/2025 19:14:45 -73.51, 61.55 114.57 04/10/2025 19:13:32 -73.53, 61.62 114.54 2.44 73
6 04/13/2025 04:45:39 -73.62, -81.41 115.33 04/13/2025 04:46:10 -73.61, -81.41 115.34 0.66 31
7 04/13/2025 05:36:23 73.56, 86.03 64.60 04/13/2025 05:35:30 73.55, 86.12 64.59 3.23 53
8 04/15/2025 15:07:16 73.63, -56.85 63.81 04/15/2025 15:08:07 73.64, -56.90 63.80 1.73 51
9 04/15/2025 15:57:59 -73.55, 110.66 116.30 04/15/2025 15:57:29 -73.55, 110.57 116.29 2.85 30
10 04/18/2025 01:28:52 -73.68, -32.35 117.01 04/18/2025 01:30:03 -73.70, -32.30 117.00 3.30 71
11 04/18/2025 02:19:35 73.58, 135.20 62.87 04/18/2025 02:19:24 73.57, 135.09 62.87 3.48 11

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/6/2025
SNOs_Map_NOAA-21_TERRA_20250406.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/06/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA