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: 1/26/2025
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 01/27/2025 09:24:55 73.33, 29.52 91.96 01/27/2025 09:25:38 73.32, 29.58 91.93 2.50 43
2 01/27/2025 10:15:36 -73.21,-162.88 88.20 01/27/2025 10:15:02 -73.20,-162.99 88.19 3.46 34
3 01/29/2025 20:37:12 73.29,-138.45 91.25 01/29/2025 20:37:24 73.31,-138.42 91.27 2.62 12
4 01/29/2025 21:27:54 -73.21, 29.03 88.84 01/29/2025 21:26:48 -73.19, 29.01 88.84 1.97 66
5 02/01/2025 06:58:45 -73.36,-114.00 89.35 02/01/2025 06:59:50 -73.38,-113.94 89.35 2.57 65
6 02/01/2025 07:49:29 73.25, 53.56 90.53 02/01/2025 07:49:10 73.25, 53.49 90.54 2.18 19
7 02/03/2025 18:11:02 -73.33, 77.99 90.09 02/03/2025 18:11:35 -73.33, 77.99 90.10 0.22 33
8 02/03/2025 19:01:47 73.27,-114.57 89.84 02/03/2025 19:00:54 73.26,-114.47 89.83 3.55 53
9 02/06/2025 04:32:42 73.64, 101.89 89.53 02/06/2025 04:33:53 73.51, 102.73 89.33 30.12 71
10 02/06/2025 05:23:19 -73.31, -90.05 90.85 02/06/2025 05:23:19 -73.30, -90.05 90.87 2.10 0
11 02/06/2025 06:13:54 72.75, 78.47 88.52 02/06/2025 06:12:45 72.85, 76.76 88.74 57.14 69
12 02/08/2025 15:44:54 73.39, -65.61 88.47 02/08/2025 15:45:38 73.38, -65.51 88.44 3.07 44
13 02/08/2025 16:35:35 -73.26, 102.00 91.69 02/08/2025 16:35:02 -73.27, 101.92 91.67 2.63 33

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/26/2025
SNOs_Map_NOAA-21_TERRA_20250126.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/26/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA