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: 11/13/2021
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 11/14/2021 23:07:49 68.94,-169.22 87.31 11/14/2021 23:08:51 68.96,-169.18 87.33 2.53 62
2 11/14/2021 23:58:30 -68.80, -1.71 92.82 11/14/2021 23:58:22 -68.79, -1.76 92.84 2.41 8
3 11/15/2021 00:49:06 68.25, 166.32 86.65 11/15/2021 00:47:55 68.35, 165.34 86.73 41.69 71
4 11/17/2021 15:24:40 68.88, -53.35 87.91 11/17/2021 15:25:17 68.90, -53.39 87.93 2.67 37
5 11/17/2021 16:15:22 -68.79, 114.09 92.18 11/17/2021 16:14:47 -68.78, 114.10 92.18 0.65 35
6 11/20/2021 06:50:59 -69.51,-105.77 90.85 11/20/2021 06:52:09 -69.38,-104.53 90.97 50.24 70
7 11/20/2021 07:41:33 68.87, 62.45 88.52 11/20/2021 07:41:43 68.88, 62.47 88.53 1.54 10
8 11/20/2021 08:32:14 -68.72,-130.04 91.62 11/20/2021 08:31:14 -68.71,-130.10 91.63 2.69 60
9 11/22/2021 23:07:42 -68.97, 10.78 90.81 11/22/2021 23:08:42 -68.97, 10.82 90.81 1.65 60
10 11/22/2021 23:58:25 68.80, 178.31 89.04 11/22/2021 23:58:10 68.80, 178.25 89.03 2.64 15
11 11/23/2021 00:48:58 -68.23, -13.62 91.53 11/23/2021 00:47:47 -68.31, -14.72 91.47 46.39 71
12 11/25/2021 15:24:34 -68.91, 126.64 90.34 11/25/2021 15:25:09 -68.89, 126.60 90.36 2.69 35
13 11/25/2021 16:15:18 68.80, -65.90 89.57 11/25/2021 16:14:36 68.77, -65.91 89.53 3.08 42

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 11/13/2021
SNOs_Map_NOAA-20_TERRA_20211113.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 11/13/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA