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: 9/18/2021
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 68.74, 178.28 67.54 09/19/2021 23:59:29 68.76, 178.23 67.56 3.16 31
2 09/20/2021 00:49:40 -68.66, -14.30 112.54 09/20/2021 00:48:59 -68.65, -14.27 112.54 1.32 41
3 09/22/2021 15:25:14 -69.16, 126.16 111.02 09/22/2021 15:26:25 -69.06, 126.85 111.11 29.09 71
4 09/22/2021 16:15:52 68.72, -65.92 68.56 09/22/2021 16:15:56 68.73, -65.93 68.57 1.18 4
5 09/22/2021 17:06:34 -68.63, 101.51 111.52 09/22/2021 17:05:26 -68.62, 101.57 111.53 2.91 68
6 09/25/2021 07:42:01 -68.82,-117.59 110.32 09/25/2021 07:42:55 -68.81,-117.60 110.33 1.06 54
7 09/25/2021 08:32:45 68.70, 49.87 69.58 09/25/2021 08:32:22 68.69, 49.90 69.57 1.54 23
8 09/25/2021 09:23:13 -67.86,-141.73 111.25 09/25/2021 09:22:04 -67.92,-143.39 111.19 69.67 69
9 09/27/2021 23:08:30 69.80,-170.52 71.70 09/27/2021 23:09:37 69.70,-168.19 71.61 90.54 67
10 09/27/2021 23:58:54 -68.74, -1.72 109.35 09/27/2021 23:59:22 -68.77, -1.77 109.33 3.22 28
11 09/28/2021 00:49:38 68.63, 165.74 70.56 09/28/2021 00:48:49 68.64, 165.72 70.57 1.85 49
12 09/30/2021 15:25:07 68.88, -53.45 71.82 09/30/2021 15:26:18 68.87, -53.39 71.82 2.30 71
13 09/30/2021 16:15:48 -68.73, 114.07 108.32 09/30/2021 16:15:49 -68.72, 114.05 108.33 0.90 1
14 09/30/2021 17:06:30 68.51, -78.33 71.48 09/30/2021 17:05:17 68.54, -78.52 71.50 8.76 73

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/18/2021
SNOs_Map_NOAA-20_TERRA_20210918.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/18/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA