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: 1/22/2025
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 01/22/2025 11:51:01 -73.26, 173.17 86.94 01/22/2025 11:51:27 -73.27, 173.12 86.94 1.69 26
2 01/22/2025 12:41:46 73.20, -19.40 92.99 01/22/2025 12:40:46 73.21, -19.31 93.01 2.99 60
3 01/24/2025 22:12:39 73.42,-162.59 92.67 01/24/2025 22:13:51 73.36,-162.34 92.57 10.04 72
4 01/24/2025 23:03:19 -73.24, 5.13 87.55 01/24/2025 23:03:15 -73.24, 5.09 87.54 1.48 4
5 01/24/2025 23:53:52 72.57, 173.84 91.72 01/24/2025 23:52:45 72.59, 171.52 91.89 77.39 67
6 01/27/2025 09:24:55 73.31, 29.57 91.93 01/27/2025 09:25:38 73.33, 29.62 91.94 2.75 43
7 01/27/2025 10:15:37 -73.23,-162.94 88.17 01/27/2025 10:15:02 -73.22,-162.95 88.17 1.35 35
8 01/29/2025 20:37:13 73.32,-138.52 91.29 01/29/2025 20:37:24 73.31,-138.42 91.27 3.40 11
9 01/29/2025 21:27:54 -73.19, 29.08 88.87 01/29/2025 21:26:48 -73.20, 29.03 88.84 2.14 66
10 02/01/2025 06:58:45 -73.34,-113.96 89.36 02/01/2025 06:59:50 -73.36,-113.97 89.36 2.07 65
11 02/01/2025 07:49:30 73.29, 53.47 90.57 02/01/2025 07:49:09 73.29, 53.56 90.57 2.83 21
12 02/03/2025 18:11:01 -73.32, 78.01 90.10 02/03/2025 18:11:33 -73.34, 78.03 90.09 2.27 32
13 02/03/2025 19:01:45 73.22,-114.45 89.78 02/03/2025 19:00:53 73.21,-114.56 89.79 3.39 52

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/22/2025
SNOs_Map_NOAA-21_TERRA_20250122.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/22/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA