Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/11/2022
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/13/2022 13:43:03 -69.23, 151.68 97.53 02/13/2022 13:44:06 -69.22, 151.71 97.55 2.03 63
2 02/13/2022 14:33:47 69.11, -40.84 82.34 02/13/2022 14:33:33 69.11, -40.79 82.33 2.11 14
3 02/13/2022 15:24:21 -68.59, 127.17 98.22 02/13/2022 15:23:09 -68.66, 126.28 98.11 36.90 72
4 02/16/2022 06:00:00 -69.15, -92.45 98.53 02/16/2022 06:00:31 -69.16, -92.49 98.53 1.90 31
5 02/16/2022 06:50:44 69.03, 75.03 81.34 02/16/2022 06:49:58 69.04, 75.01 81.36 1.65 46
6 02/18/2022 21:26:16 69.22,-144.10 80.62 02/18/2022 21:27:25 69.25,-144.12 80.64 3.28 69
7 02/18/2022 22:16:58 -69.12, 23.35 99.50 02/18/2022 22:16:55 -69.14, 23.37 99.48 2.26 3
8 02/18/2022 23:07:38 68.79,-168.89 80.15 02/18/2022 23:06:25 68.86,-169.34 80.24 19.50 73
9 02/21/2022 13:43:14 69.20, -28.31 79.64 02/21/2022 13:43:49 69.22, -28.28 79.64 2.15 35
10 02/21/2022 14:33:55 -69.05, 139.22 100.54 02/21/2022 14:33:20 -69.06, 139.15 100.53 2.96 35
11 02/24/2022 05:09:31 -69.50, -80.29 101.02 02/24/2022 05:10:43 -69.40, -79.79 101.16 22.41 72
12 02/24/2022 06:00:10 69.13, 87.55 78.58 02/24/2022 06:00:13 69.11, 87.48 78.56 3.44 3
13 02/24/2022 06:50:52 -69.03,-104.99 101.55 02/24/2022 06:49:43 -69.01,-105.02 101.55 2.17 69

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 2/11/2022
SNOs_Map_NOAA-20_TERRA_20220211.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 02/11/2022 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA