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: 12/16/2021
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 12/16/2021 23:07:23 68.99,-169.16 92.24 12/16/2021 23:08:02 69.01,-169.13 92.25 1.98 39
2 12/16/2021 23:58:04 -68.86, -1.67 87.90 12/16/2021 23:57:32 -68.89, -1.64 87.87 2.91 32
3 12/19/2021 14:33:41 -69.67, 138.35 87.00 12/19/2021 14:34:50 -69.57, 139.85 87.12 59.00 69
4 12/19/2021 15:24:14 68.96, -53.33 92.28 12/19/2021 15:24:26 68.96, -53.30 92.28 1.44 12
5 12/19/2021 16:14:55 -68.83, 114.17 87.86 12/19/2021 16:13:56 -68.85, 114.19 87.84 2.54 59
6 12/22/2021 06:50:22 -69.05,-104.98 87.62 12/22/2021 06:51:24 -69.03,-104.98 87.65 2.82 62
7 12/22/2021 07:41:06 68.93, 62.49 92.26 12/22/2021 07:40:51 68.91, 62.52 92.25 2.26 15
8 12/22/2021 08:31:39 -68.37,-129.44 88.31 12/22/2021 08:30:28 -68.41,-130.46 88.25 42.04 71
9 12/24/2021 23:07:14 -69.02, 10.85 87.69 12/24/2021 23:07:48 -69.03, 10.91 87.68 2.77 34
10 12/24/2021 23:57:57 68.85, 178.39 92.14 12/24/2021 23:57:16 68.86, 178.34 92.15 2.41 41
11 12/27/2021 14:33:29 69.34, -41.14 92.56 12/27/2021 14:34:40 69.24, -40.57 92.44 25.42 71
12 12/27/2021 15:24:06 -68.99, 126.67 87.81 12/27/2021 15:24:13 -68.97, 126.72 87.83 3.07 7
13 12/27/2021 16:14:49 68.82, -65.79 92.02 12/27/2021 16:13:40 68.85, -65.79 92.05 3.09 69

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/16/2021
SNOs_Map_NOAA-20_TERRA_20211216.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/16/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA