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: 1/12/2025
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 01/12/2025 15:52:32 73.26, -67.19 94.99 01/12/2025 15:53:27 73.26, -67.20 94.98 0.59 55
2 01/12/2025 16:43:14 -73.17, 100.32 85.12 01/12/2025 16:42:50 -73.19, 100.30 85.10 1.93 24
3 01/15/2025 03:04:51 73.24, 124.76 94.55 01/15/2025 03:05:18 73.26, 124.79 94.56 2.37 27
4 01/15/2025 03:55:33 -73.15, -67.73 85.56 01/15/2025 03:54:42 -73.14, -67.80 85.56 2.72 51
5 01/17/2025 13:26:33 -73.73, 148.25 85.37 01/17/2025 13:27:42 -73.65, 149.91 85.56 52.37 69
6 01/17/2025 14:17:09 73.24, -43.31 94.08 01/17/2025 14:17:08 73.23, -43.28 94.07 1.06 1
7 01/17/2025 15:07:46 -72.90, 124.74 86.31 01/17/2025 15:06:35 -72.95, 123.84 86.19 30.20 71
8 01/20/2025 00:38:43 -73.28, -18.80 86.37 01/20/2025 00:39:39 -73.28, -18.85 86.39 1.68 56
9 01/20/2025 01:29:28 73.23, 148.61 93.57 01/20/2025 01:28:58 73.22, 148.70 93.55 3.33 30
10 01/22/2025 11:51:02 -73.29, 173.10 86.91 01/22/2025 11:51:28 -73.30, 173.18 86.92 2.68 26
11 01/22/2025 12:41:46 73.19, -19.38 92.98 01/22/2025 12:40:48 73.17, -19.39 92.98 1.97 58
12 01/24/2025 22:12:41 73.49,-162.76 92.75 01/24/2025 22:13:52 73.43,-162.19 92.64 19.10 71
13 01/24/2025 23:03:20 -73.26, 5.09 87.53 01/24/2025 23:03:17 -73.28, 5.15 87.51 3.21 3

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/12/2025
SNOs_Map_NOAA-21_TERRA_20250112.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/12/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA