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: 1/10/2025
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 01/10/2025 04:40:20 73.64, 100.02 95.79 01/10/2025 04:41:30 73.54, 101.37 95.61 43.97 70
2 01/10/2025 05:30:55 -73.20, -91.66 84.70 01/10/2025 05:30:58 -73.20, -91.67 84.71 0.66 3
3 01/10/2025 06:21:33 72.80, 76.50 94.86 01/10/2025 06:20:22 72.90, 75.42 95.02 36.77 71
4 01/12/2025 15:52:32 73.27, -67.22 95.00 01/12/2025 15:53:27 73.26, -67.22 94.97 1.52 55
5 01/12/2025 16:43:14 -73.18, 100.30 85.11 01/12/2025 16:42:50 -73.18, 100.29 85.10 0.55 24
6 01/15/2025 03:04:51 73.25, 124.74 94.56 01/15/2025 03:05:18 73.25, 124.76 94.55 1.04 27
7 01/15/2025 03:55:33 -73.16, -67.75 85.55 01/15/2025 03:54:41 -73.18, -67.71 85.52 2.48 52
8 01/17/2025 13:26:34 -73.74, 148.23 85.36 01/17/2025 13:27:43 -73.63, 149.87 85.57 52.57 69
9 01/17/2025 14:17:09 73.20, -43.22 94.03 01/17/2025 14:17:09 73.21, -43.32 94.05 3.37 0
10 01/17/2025 15:07:47 -72.91, 124.72 86.30 01/17/2025 15:06:35 -72.99, 123.91 86.16 28.11 72
11 01/20/2025 00:38:44 -73.30, -18.83 86.36 01/20/2025 00:39:39 -73.30, -18.81 86.37 0.89 55
12 01/20/2025 01:29:28 73.20, 148.69 93.53 01/20/2025 01:28:59 73.18, 148.63 93.52 2.65 29
13 01/22/2025 11:51:01 -73.26, 173.17 86.95 01/22/2025 11:51:28 -73.25, 173.08 86.96 3.12 27
14 01/22/2025 12:41:45 73.16, -19.31 92.95 01/22/2025 12:40:47 73.17, -19.38 92.98 2.86 58

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/10/2025
SNOs_Map_NOAA-21_TERRA_20250110.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/10/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA