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: 1/14/2025
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 01/15/2025 03:04:51 73.27, 124.71 94.57 01/15/2025 03:05:18 73.24, 124.74 94.54 3.19 27
2 01/15/2025 03:55:33 -73.18, -67.78 85.53 01/15/2025 03:54:41 -73.17, -67.75 85.54 1.83 52
3 01/17/2025 13:26:34 -73.75, 148.20 85.35 01/17/2025 13:27:43 -73.63, 149.85 85.58 53.46 69
4 01/17/2025 14:17:09 73.21, -43.24 94.04 01/17/2025 14:17:09 73.21, -43.33 94.05 2.71 0
5 01/17/2025 15:07:47 -72.92, 124.70 86.29 01/17/2025 15:06:35 -72.98, 123.89 86.16 27.12 72
6 01/20/2025 00:38:44 -73.30, -18.85 86.35 01/20/2025 00:39:39 -73.31, -18.79 86.36 2.06 55
7 01/20/2025 01:29:28 73.20, 148.68 93.54 01/20/2025 01:28:59 73.20, 148.66 93.54 0.83 29
8 01/22/2025 11:51:02 -73.26, 173.17 86.94 01/22/2025 11:51:29 -73.28, 173.15 86.93 2.71 27
9 01/22/2025 12:41:47 73.21, -19.41 93.00 01/22/2025 12:40:48 73.22, -19.31 93.01 3.46 59
10 01/24/2025 22:12:42 73.51,-162.79 92.76 01/24/2025 22:13:53 73.43,-162.21 92.64 20.25 71
11 01/24/2025 23:03:20 -73.27, 5.06 87.51 01/24/2025 23:03:17 -73.27, 5.13 87.51 2.40 3
12 01/24/2025 23:53:54 72.66, 173.66 91.82 01/24/2025 23:52:45 72.72, 171.75 92.00 63.54 69
13 01/27/2025 09:24:56 73.32, 29.54 91.95 01/27/2025 09:25:42 73.34, 29.61 91.94 2.49 46
14 01/27/2025 10:15:38 -73.24,-162.95 88.16 01/27/2025 10:15:06 -73.23,-162.94 88.16 0.70 32

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 1/14/2025
SNOs_Map_NOAA-21_TERRA_20250114.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 01/14/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA