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: 2/18/2025
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 02/18/2025 10:03:11 -73.41,-160.25 94.81 02/18/2025 10:04:21 -73.43,-160.28 94.80 2.93 70
2 02/18/2025 10:53:56 73.33, 7.24 85.10 02/18/2025 10:53:41 73.34, 7.20 85.11 1.66 15
3 02/20/2025 21:15:38 -73.41, 31.64 95.69 02/20/2025 21:16:00 -73.41, 31.72 95.70 2.77 22
4 02/20/2025 22:06:23 73.33,-160.88 84.21 02/20/2025 22:05:20 73.32,-160.79 84.21 3.19 63
5 02/23/2025 07:37:22 73.44, 56.12 83.46 02/23/2025 07:38:16 73.45, 56.18 83.45 2.07 54
6 02/23/2025 08:28:04 -73.37,-136.39 96.64 02/23/2025 08:27:39 -73.35,-136.36 96.66 2.05 25
7 02/25/2025 17:59:17 -74.18, 78.95 96.62 02/25/2025 18:00:23 -74.06, 81.86 96.93 89.51 66
8 02/25/2025 18:49:47 73.42,-111.94 82.52 02/25/2025 18:49:53 73.40,-111.87 82.49 3.23 6
9 02/25/2025 19:40:28 -73.29, 55.67 97.65 02/25/2025 19:39:16 -73.30, 55.59 97.62 2.89 72
10 02/28/2025 05:11:27 -73.42, -87.36 98.41 02/28/2025 05:12:10 -73.44, -87.40 98.40 2.89 43
11 02/28/2025 06:02:12 73.36, 80.09 81.52 02/28/2025 06:01:30 73.36, 80.10 81.52 0.58 42
12 03/02/2025 15:33:12 73.56, -63.10 80.82 03/02/2025 15:34:23 73.52, -62.85 80.74 9.06 71
13 03/02/2025 16:23:53 -73.42, 104.54 99.36 03/02/2025 16:23:46 -73.41, 104.59 99.37 1.79 7

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/18/2025
SNOs_Map_NOAA-21_TERRA_20250218.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/18/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA