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: 1/21/2025
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 -73.25, 173.18 86.95 01/22/2025 11:51:27 -73.27, 173.14 86.93 2.82 26
2 01/22/2025 12:41:46 73.20, -19.39 92.98 01/22/2025 12:40:46 73.22, -19.30 93.01 3.53 60
3 01/24/2025 22:12:39 73.41,-162.58 92.66 01/24/2025 22:13:51 73.36,-162.34 92.58 9.41 72
4 01/24/2025 23:03:19 -73.23, 5.14 87.55 01/24/2025 23:03:15 -73.25, 5.10 87.53 2.27 4
5 01/24/2025 23:53:52 72.57, 173.85 91.71 01/24/2025 23:52:45 72.60, 171.53 91.90 77.47 67
6 01/27/2025 09:24:55 73.31, 29.58 91.93 01/27/2025 09:25:39 73.28, 29.52 91.89 3.35 44
7 01/27/2025 10:15:37 -73.23,-162.92 88.17 01/27/2025 10:15:02 -73.23,-162.94 88.17 0.39 35
8 01/29/2025 20:37:13 73.31,-138.51 91.28 01/29/2025 20:37:24 73.31,-138.41 91.27 3.40 11
9 01/29/2025 21:27:54 -73.19, 29.09 88.87 01/29/2025 21:26:48 -73.21, 29.04 88.84 2.79 66
10 02/01/2025 06:58:44 -73.34,-113.95 89.37 02/01/2025 06:59:49 -73.37,-113.95 89.36 3.10 65
11 02/01/2025 07:49:29 73.29, 53.48 90.57 02/01/2025 07:49:08 73.29, 53.58 90.57 3.26 21
12 02/03/2025 18:11:01 -73.32, 78.01 90.10 02/03/2025 18:11:33 -73.35, 78.04 90.08 3.44 32
13 02/03/2025 19:01:45 73.22,-114.45 89.78 02/03/2025 19:00:53 73.22,-114.54 89.80 2.79 52

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/21/2025
SNOs_Map_NOAA-21_TERRA_20250121.jpg

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

Historial Predications of SNOs between NOAA-21 and TERRA