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: 1/27/2025
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 01/27/2025 09:24:54 73.29, 29.62 91.91 01/27/2025 09:25:38 73.31, 29.57 91.92 2.88 44
2 01/27/2025 10:15:36 -73.22,-162.90 88.19 01/27/2025 10:15:01 -73.25,-162.90 88.15 3.27 35
3 01/29/2025 20:37:12 73.29,-138.47 91.26 01/29/2025 20:37:24 73.30,-138.43 91.26 1.54 12
4 01/29/2025 21:27:54 -73.22, 29.01 88.84 01/29/2025 21:26:48 -73.19, 29.00 88.85 3.47 66
5 02/01/2025 06:58:45 -73.37,-114.02 89.34 02/01/2025 06:59:50 -73.37,-113.95 89.35 2.38 65
6 02/01/2025 07:49:29 73.26, 53.54 90.54 02/01/2025 07:49:10 73.25, 53.49 90.54 1.65 19
7 02/03/2025 18:11:02 -73.34, 77.97 90.08 02/03/2025 18:11:35 -73.34, 78.00 90.10 1.20 33
8 02/03/2025 19:01:46 73.23,-114.48 89.79 02/03/2025 19:00:55 73.21,-114.57 89.79 3.29 51
9 02/06/2025 04:32:42 73.65, 101.87 89.54 02/06/2025 04:33:53 73.53, 102.76 89.34 31.15 71
10 02/06/2025 05:23:19 -73.32, -90.07 90.84 02/06/2025 05:23:19 -73.31, -90.02 90.86 2.12 0
11 02/06/2025 06:13:55 72.81, 78.34 88.58 02/06/2025 06:12:45 72.87, 76.79 88.75 51.33 70
12 02/08/2025 15:44:53 73.35, -65.51 88.43 02/08/2025 15:45:39 73.35, -65.57 88.42 1.90 46
13 02/08/2025 16:35:35 -73.27, 101.98 91.68 02/08/2025 16:35:02 -73.30, 101.97 91.64 2.94 33

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/27/2025
SNOs_Map_NOAA-21_TERRA_20250127.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/27/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA