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: 5/24/2021
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 05/25/2021 17:06:37 68.61, -78.38 47.42 05/25/2021 17:07:26 68.60, -78.42 47.41 1.70 49
2 05/25/2021 17:57:18 -68.48, 89.11 132.72 05/25/2021 17:56:56 -68.49, 89.08 132.71 2.41 22
3 05/25/2021 18:47:46 67.48,-102.34 46.27 05/25/2021 18:46:39 67.48,-104.45 46.29 90.01 67
4 05/28/2021 08:33:04 -69.54,-131.21 132.07 05/28/2021 08:34:12 -69.43,-129.14 132.21 81.88 68
5 05/28/2021 09:23:32 68.56, 37.44 46.93 05/28/2021 09:23:52 68.59, 37.44 46.95 2.86 20
6 05/28/2021 10:14:13 -68.43,-155.06 133.22 05/28/2021 10:13:23 -68.43,-155.12 133.22 2.58 50
7 05/31/2021 00:49:43 -68.64, -14.20 133.39 05/31/2021 00:50:52 -68.63, -14.27 133.40 2.68 69
8 05/31/2021 01:40:27 68.52, 153.27 46.48 05/31/2021 01:40:19 68.51, 153.23 46.48 1.44 8
9 05/31/2021 02:31:05 -68.22, -39.02 133.83 05/31/2021 02:29:52 -68.24, -39.46 133.80 18.18 73
10 06/02/2021 17:06:38 -68.59, 101.63 133.80 06/02/2021 17:07:18 -68.61, 101.59 133.78 2.60 40
11 06/02/2021 17:57:21 68.48, -90.91 46.08 06/02/2021 17:56:44 68.49, -90.91 46.10 1.40 37
12 06/05/2021 08:32:58 69.07, 49.43 46.39 06/05/2021 08:34:08 68.96, 50.28 46.26 36.18 70
13 06/05/2021 09:23:33 -68.60,-142.62 134.10 06/05/2021 09:23:43 -68.59,-142.56 134.12 3.06 10
14 06/05/2021 10:14:16 68.43, 24.91 45.73 06/05/2021 10:13:10 68.46, 24.93 45.76 2.77 66

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/24/2021
SNOs_Map_NOAA-20_TERRA_20210525.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/24/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA