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: 3/26/2025
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 03/27/2025 02:32:48 73.58, 131.92 71.16 03/27/2025 02:33:22 73.56, 132.01 71.13 3.33 34
2 03/27/2025 03:23:30 -73.46, -60.50 108.98 03/27/2025 03:22:44 -73.44, -60.56 108.99 2.87 46
3 03/29/2025 12:54:26 -73.61, 156.44 109.77 03/29/2025 12:55:26 -73.58, 156.48 109.81 3.28 60
4 03/29/2025 13:45:09 73.48, -35.97 70.09 03/29/2025 13:44:47 73.48, -36.04 70.10 2.48 22
5 03/31/2025 23:16:13 74.05, 179.98 69.78 03/31/2025 23:17:22 73.92,-178.35 69.55 53.23 69
6 04/01/2025 00:06:46 -73.53, -11.47 110.82 04/01/2025 00:06:48 -73.55, -11.47 110.80 2.36 2
7 04/01/2025 00:57:24 73.16, 156.67 68.76 04/01/2025 00:56:13 73.23, 155.57 68.92 36.39 71
8 04/03/2025 10:28:24 73.54, 13.09 68.26 04/03/2025 10:28:49 73.56, 13.01 68.28 3.42 25
9 04/03/2025 11:19:08 -73.51,-179.53 111.79 04/03/2025 11:18:10 -73.50,-179.44 111.79 2.89 58
10 04/05/2025 20:50:02 -73.60, 37.54 112.61 04/05/2025 20:50:49 -73.62, 37.57 112.61 1.71 47
11 04/05/2025 21:40:45 73.50,-154.91 67.27 04/05/2025 21:40:10 73.51,-154.99 67.28 2.61 35
12 04/08/2025 07:11:39 73.61, 62.11 66.48 04/08/2025 07:12:48 73.60, 62.01 66.46 3.49 69
13 04/08/2025 08:02:23 -73.58,-130.49 113.58 04/08/2025 08:02:09 -73.56,-130.43 113.60 2.89 14

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/26/2025
SNOs_Map_NOAA-21_TERRA_20250326.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/26/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA