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: 1/24/2025
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 01/24/2025 22:12:39 73.44,-162.63 92.69 01/24/2025 22:13:50 73.39,-162.28 92.60 12.39 71
2 01/24/2025 23:03:19 -73.26, 5.08 87.52 01/24/2025 23:03:14 -73.28, 5.15 87.51 2.61 5
3 01/24/2025 23:53:51 72.54, 173.90 91.69 01/24/2025 23:52:44 72.63, 171.58 91.92 77.82 67
4 01/27/2025 09:24:55 73.33, 29.52 91.96 01/27/2025 09:25:38 73.32, 29.58 91.92 2.58 43
5 01/27/2025 10:15:37 -73.26,-162.99 88.14 01/27/2025 10:15:01 -73.26,-162.88 88.14 3.46 36
6 01/29/2025 20:37:12 73.29,-138.46 91.26 01/29/2025 20:37:24 73.30,-138.44 91.26 0.77 12
7 01/29/2025 21:27:54 -73.21, 29.03 88.84 01/29/2025 21:26:48 -73.19, 29.00 88.85 3.41 66
8 02/01/2025 06:58:45 -73.37,-114.02 89.33 02/01/2025 06:59:50 -73.35,-113.99 89.37 2.30 65
9 02/01/2025 07:49:29 73.26, 53.53 90.54 02/01/2025 07:49:09 73.28, 53.55 90.56 2.00 20
10 02/03/2025 18:11:02 -73.35, 77.94 90.07 02/03/2025 18:11:34 -73.34, 78.02 90.09 2.86 32
11 02/03/2025 19:01:46 73.25,-114.52 89.81 02/03/2025 19:00:53 73.27,-114.45 89.84 2.94 53
12 02/06/2025 04:32:41 73.63, 101.92 89.51 02/06/2025 04:33:52 73.49, 102.70 89.31 28.83 71
13 02/06/2025 05:23:18 -73.30, -90.02 90.87 02/06/2025 05:23:18 -73.28, -90.07 90.89 2.92 0

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/24/2025
SNOs_Map_NOAA-21_TERRA_20250124.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/24/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA