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: 9/19/2021
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 09/19/2021 23:58:58 68.75, 178.25 67.55 09/19/2021 23:59:29 68.74, 178.21 67.54 2.09 31
2 09/20/2021 00:49:39 -68.62, -14.25 112.57 09/20/2021 00:48:59 -68.63, -14.29 112.56 2.09 40
3 09/22/2021 15:25:14 -69.18, 126.14 111.00 09/22/2021 15:26:25 -69.05, 126.83 111.13 30.79 71
4 09/22/2021 16:15:52 68.73, -65.95 68.57 09/22/2021 16:15:56 68.71, -65.95 68.55 2.53 4
5 09/22/2021 17:06:33 -68.60, 101.55 111.55 09/22/2021 17:05:26 -68.60, 101.55 111.55 0.84 67
6 09/25/2021 07:42:02 -68.83,-117.62 110.30 09/25/2021 07:42:55 -68.85,-117.55 110.29 3.15 53
7 09/25/2021 08:32:45 68.66, 49.92 69.54 09/25/2021 08:32:23 68.67, 49.88 69.55 2.23 22
8 09/25/2021 09:23:14 -67.88,-141.75 111.23 09/25/2021 09:22:05 -67.90,-143.41 111.21 69.29 69
9 09/27/2021 23:08:30 69.81,-170.55 71.72 09/27/2021 23:09:36 69.74,-168.13 71.65 93.22 66
10 09/27/2021 23:58:54 -68.76, -1.75 109.33 09/27/2021 23:59:22 -68.75, -1.79 109.34 1.74 28
11 09/28/2021 00:49:38 68.64, 165.72 70.57 09/28/2021 00:48:49 68.63, 165.71 70.56 1.34 49
12 09/30/2021 15:25:07 68.89, -53.47 71.83 09/30/2021 15:26:18 68.87, -53.40 71.81 3.83 71
13 09/30/2021 16:15:48 -68.74, 114.05 108.31 09/30/2021 16:15:49 -68.71, 114.04 108.34 3.30 1
14 09/30/2021 17:06:30 68.52, -78.35 71.49 09/30/2021 17:05:17 68.53, -78.54 71.50 7.70 73

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/19/2021
SNOs_Map_NOAA-20_TERRA_20210919.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/19/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA