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: 3/3/2021
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 03/04/2021 01:40:13 -69.33, -27.72 104.28 03/04/2021 01:41:21 -69.23, -25.84 104.44 75.01 68
2 03/04/2021 02:30:43 68.47, 140.77 74.81 03/04/2021 02:31:00 68.46, 140.83 74.80 2.74 17
3 03/04/2021 03:21:24 -68.33, -51.73 105.35 03/04/2021 03:20:31 -68.29, -51.73 105.38 3.48 53
4 03/06/2021 17:56:53 -68.55, 89.13 106.13 03/06/2021 17:58:01 -68.54, 89.17 106.15 1.67 68
5 03/06/2021 18:47:36 68.38,-103.34 73.68 03/06/2021 18:47:29 68.37,-103.39 73.67 2.44 7
6 03/06/2021 19:38:14 -68.07, 64.37 106.65 03/06/2021 19:37:01 -68.15, 63.98 106.55 18.58 73
7 03/09/2021 10:13:46 -68.51,-155.04 107.22 03/09/2021 10:14:28 -68.51,-155.00 107.23 2.05 42
8 03/09/2021 11:04:29 68.34, 12.49 72.59 03/09/2021 11:03:56 68.33, 12.44 72.59 2.10 33
9 03/12/2021 01:40:08 69.11, 152.61 72.36 03/12/2021 01:41:18 69.01, 153.88 72.22 51.67 70
10 03/12/2021 02:30:40 -68.48, -39.22 108.31 03/12/2021 02:30:56 -68.47, -39.16 108.33 2.61 16
11 03/12/2021 03:21:23 68.31, 128.30 71.51 03/12/2021 03:20:24 68.29, 128.27 71.49 2.65 59
12 03/14/2021 17:56:52 68.54, -90.85 70.71 03/14/2021 17:57:54 68.52, -90.85 70.68 2.64 62
13 03/14/2021 18:47:33 -68.39, 76.67 109.46 03/14/2021 18:47:24 -68.42, 76.66 109.43 3.31 9
14 03/14/2021 19:38:09 67.85,-115.34 69.97 03/14/2021 19:36:58 67.91,-116.30 70.06 41.01 71

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/3/2021
SNOs_Map_NOAA-20_TERRA_20210303.jpg

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

Historial Predications of SNOs between NOAA-20 and TERRA