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: 2/20/2021
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 02/21/2021 10:13:48 -68.45,-155.00 101.19 02/21/2021 10:14:38 -68.46,-155.04 101.18 1.70 50
2 02/21/2021 11:04:32 68.33, 12.46 78.68 02/21/2021 11:04:05 68.35, 12.47 78.70 2.10 27
3 02/21/2021 11:54:58 -67.38,-179.04 102.32 02/21/2021 11:53:50 -67.41, 179.02 102.23 82.92 68
4 02/24/2021 01:40:16 69.35, 152.23 78.78 02/24/2021 01:41:24 69.23, 154.17 78.59 77.63 68
5 02/24/2021 02:30:42 -68.41, -39.16 102.22 02/24/2021 02:31:07 -68.40, -39.23 102.23 2.77 25
6 02/24/2021 03:21:26 68.29, 128.30 77.65 02/24/2021 03:20:34 68.29, 128.27 77.65 0.98 52
7 02/26/2021 17:56:55 68.51, -90.84 76.90 02/26/2021 17:58:05 68.50, -90.87 76.88 1.90 70
8 02/26/2021 18:47:37 -68.41, 76.60 103.22 02/26/2021 18:47:35 -68.39, 76.64 103.24 2.29 2
9 02/26/2021 19:38:17 68.08,-115.66 76.43 02/26/2021 19:37:04 68.16,-116.00 76.53 16.52 73
10 03/01/2021 10:13:48 68.46, 25.00 75.84 03/01/2021 10:14:32 68.48, 24.98 75.85 1.99 44
11 03/01/2021 11:04:30 -68.37,-167.56 104.28 03/01/2021 11:04:02 -68.38,-167.50 104.26 3.02 28
12 03/04/2021 01:40:13 -69.33, -27.72 104.28 03/04/2021 01:41:21 -69.25, -25.81 104.42 75.54 68
13 03/04/2021 02:30:42 68.42, 140.83 74.77 03/04/2021 02:31:01 68.41, 140.77 74.75 2.88 19
14 03/04/2021 03:21:24 -68.32, -51.73 105.35 03/04/2021 03:20:31 -68.31, -51.71 105.36 1.65 53

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 2/20/2021
SNOs_Map_NOAA-20_TERRA_20210220.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 02/20/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA