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: 8/26/2021
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 08/26/2021 23:59:02 -68.76, -1.75 121.39 08/26/2021 23:59:54 -68.73, -1.78 121.42 3.02 52
2 08/27/2021 00:49:46 68.62, 165.73 58.49 08/27/2021 00:49:21 68.62, 165.73 58.49 0.29 25
3 08/27/2021 01:40:13 -67.74, -25.83 122.40 08/27/2021 01:39:04 -67.79, -27.63 122.33 76.06 69
4 08/29/2021 15:25:30 69.65, -54.54 60.46 08/29/2021 15:26:37 69.56, -52.47 60.33 80.90 67
5 08/29/2021 16:15:56 -68.71, 114.08 120.49 08/29/2021 16:16:20 -68.72, 114.09 120.49 1.34 24
6 08/29/2021 17:06:40 68.58, -78.44 59.39 08/29/2021 17:05:47 68.61, -78.41 59.42 3.36 53
7 09/01/2021 07:42:09 68.81, 62.41 60.55 09/01/2021 07:43:16 68.82, 62.45 60.56 2.13 67
8 09/01/2021 08:32:50 -68.67,-130.09 119.58 09/01/2021 08:32:47 -68.65,-130.12 119.59 1.89 3
9 09/01/2021 09:23:29 68.27, 37.73 60.04 09/01/2021 09:22:17 68.37, 37.18 60.14 24.90 72
10 09/03/2021 23:59:03 68.77, 178.23 61.49 09/03/2021 23:59:43 68.74, 178.23 61.46 3.32 40
11 09/04/2021 00:49:43 -68.63, -14.27 118.64 09/04/2021 00:49:12 -68.64, -14.26 118.63 0.88 31
12 09/06/2021 15:25:23 -69.43, 125.77 116.85 09/06/2021 15:26:32 -69.33, 127.23 116.98 58.37 69
13 09/06/2021 16:15:56 68.73, -65.95 62.45 09/06/2021 16:16:08 68.71, -65.92 62.42 2.69 12
14 09/06/2021 17:06:37 -68.59, 101.56 117.69 09/06/2021 17:05:38 -68.61, 101.59 117.67 2.87 59

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 8/26/2021
SNOs_Map_NOAA-20_TERRA_20210826.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 08/26/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA