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: 3/6/2021
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 -68.50, 89.19 106.18 03/06/2021 17:58:01 -68.53, 89.15 106.16 3.27 69
2 03/06/2021 18:47:36 68.38,-103.35 73.68 03/06/2021 18:47:29 68.36,-103.40 73.67 3.13 7
3 03/06/2021 19:38:14 -68.08, 64.36 106.64 03/06/2021 19:37:01 -68.14, 63.97 106.56 17.62 73
4 03/09/2021 10:13:47 -68.52,-155.06 107.21 03/09/2021 10:14:29 -68.50,-155.01 107.24 3.28 42
5 03/09/2021 11:04:30 68.35, 12.48 72.60 03/09/2021 11:03:57 68.33, 12.43 72.58 3.03 33
6 03/12/2021 01:40:08 69.11, 152.60 72.37 03/12/2021 01:41:18 69.01, 153.87 72.22 51.92 70
7 03/12/2021 02:30:39 -68.43, -39.16 108.36 03/12/2021 02:30:56 -68.46, -39.18 108.34 2.84 17
8 03/12/2021 03:21:23 68.32, 128.30 71.51 03/12/2021 03:20:23 68.34, 128.33 71.54 2.96 60
9 03/14/2021 17:56:52 68.55, -90.86 70.72 03/14/2021 17:57:53 68.57, -90.79 70.73 3.45 61
10 03/14/2021 18:47:33 -68.40, 76.65 109.45 03/14/2021 18:47:24 -68.41, 76.65 109.44 1.40 9
11 03/14/2021 19:38:09 67.86,-115.34 69.98 03/14/2021 19:36:58 67.90,-116.31 70.05 40.87 71
12 03/17/2021 10:13:46 68.52, 24.96 69.63 03/17/2021 10:14:21 68.52, 25.02 69.62 2.71 35
13 03/17/2021 11:04:27 -68.37,-167.53 110.54 03/17/2021 11:03:52 -68.37,-167.53 110.55 0.92 35
14 03/20/2021 01:40:05 -69.09, -27.34 110.84 03/20/2021 01:41:15 -68.98, -26.17 110.99 47.98 70

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/6/2021
SNOs_Map_NOAA-20_TERRA_20210306.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/06/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA