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: 9/12/2021
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 09/14/2021 15:25:19 69.27, -54.00 66.01 09/14/2021 15:26:29 69.14, -53.04 65.87 40.59 70
2 09/14/2021 16:15:52 -68.71, 114.09 114.55 09/14/2021 16:16:05 -68.70, 114.04 114.56 2.27 13
3 09/14/2021 17:06:36 68.58, -78.43 65.34 09/14/2021 17:05:32 68.59, -78.46 65.34 1.14 64
4 09/17/2021 07:42:05 68.82, 62.40 66.58 09/17/2021 07:43:01 68.84, 62.45 66.60 3.37 56
5 09/17/2021 08:32:46 -68.68,-130.10 113.55 09/17/2021 08:32:32 -68.68,-130.11 113.55 0.47 14
6 09/17/2021 09:23:19 67.96, 38.13 65.75 09/17/2021 09:22:09 68.00, 36.72 65.79 58.83 70
7 09/19/2021 23:58:58 68.74, 178.27 67.54 09/19/2021 23:59:29 68.75, 178.22 67.55 2.21 31
8 09/20/2021 00:49:40 -68.65, -14.30 112.54 09/20/2021 00:48:59 -68.65, -14.27 112.54 1.18 41
9 09/22/2021 15:25:14 -69.16, 126.17 111.02 09/22/2021 15:26:25 -69.06, 126.84 111.12 29.03 71
10 09/22/2021 16:15:52 68.72, -65.93 68.56 09/22/2021 16:15:56 68.71, -65.94 68.55 0.93 4
11 09/22/2021 17:06:34 -68.63, 101.51 111.52 09/22/2021 17:05:26 -68.62, 101.57 111.54 2.91 68
12 09/25/2021 07:42:01 -68.82,-117.59 110.32 09/25/2021 07:42:55 -68.80,-117.61 110.34 2.18 54
13 09/25/2021 08:32:44 68.65, 49.94 69.53 09/25/2021 08:32:22 68.67, 49.88 69.55 3.23 22
14 09/25/2021 09:23:13 -67.86,-141.73 111.25 09/25/2021 09:22:04 -67.91,-143.40 111.20 69.96 69

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/12/2021
SNOs_Map_NOAA-20_TERRA_20210912.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/12/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA