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: 3/4/2021
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 03/06/2021 17:56:52 -68.51, 89.18 106.17 03/06/2021 17:58:01 -68.52, 89.14 106.17 1.79 69
2 03/06/2021 18:47:36 68.39,-103.36 73.69 03/06/2021 18:47:28 68.41,-103.35 73.71 1.90 8
3 03/06/2021 19:38:14 -68.09, 64.35 106.64 03/06/2021 19:37:01 -68.14, 63.96 106.57 16.96 73
4 03/09/2021 10:13:46 -68.48,-155.00 107.26 03/09/2021 10:14:29 -68.49,-155.02 107.25 1.63 43
5 03/09/2021 11:04:30 68.36, 12.46 72.61 03/09/2021 11:03:56 68.37, 12.48 72.62 1.63 34
6 03/12/2021 01:40:09 69.13, 152.58 72.38 03/12/2021 01:41:18 69.05, 153.93 72.26 53.99 69
7 03/12/2021 02:30:40 -68.44, -39.18 108.35 03/12/2021 02:30:57 -68.45, -39.19 108.35 0.81 17
8 03/12/2021 03:21:24 68.33, 128.28 71.52 03/12/2021 03:20:24 68.33, 128.31 71.53 1.25 60
9 03/14/2021 17:56:52 68.56, -90.87 70.73 03/14/2021 17:57:53 68.56, -90.81 70.72 2.62 61
10 03/14/2021 18:47:33 -68.41, 76.64 109.44 03/14/2021 18:47:24 -68.40, 76.64 109.45 1.06 9
11 03/14/2021 19:38:09 67.87,-115.36 69.99 03/14/2021 19:36:58 67.89,-116.33 70.04 40.57 71
12 03/17/2021 10:13:45 68.48, 25.01 69.59 03/17/2021 10:14:21 68.50, 25.01 69.60 2.27 36
13 03/17/2021 11:04:26 -68.33,-167.48 110.59 03/17/2021 11:03:52 -68.35,-167.55 110.56 3.65 34

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/4/2021
SNOs_Map_NOAA-20_TERRA_20210304.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/04/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA