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: 4/22/2021
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 04/23/2021 17:06:39 69.26, -79.18 56.39 04/23/2021 17:07:48 69.19, -77.70 56.30 59.09 69
2 04/23/2021 17:57:09 -68.54, 89.12 124.36 04/23/2021 17:57:28 -68.52, 89.10 124.38 2.82 19
3 04/23/2021 18:47:53 68.41,-103.40 55.50 04/23/2021 18:46:55 68.41,-103.39 55.50 0.46 58
4 04/26/2021 09:23:22 68.60, 37.48 54.85 04/26/2021 09:24:24 68.63, 37.48 54.87 3.27 62
5 04/26/2021 10:14:03 -68.47,-155.02 125.30 04/26/2021 10:13:55 -68.46,-155.09 125.31 2.60 8
6 04/26/2021 11:04:39 67.90, 13.00 54.12 04/26/2021 11:03:29 67.96, 11.96 54.18 43.93 70
7 04/29/2021 01:40:18 68.59, 153.26 53.99 04/29/2021 01:40:52 68.57, 153.28 53.96 2.07 34
8 04/29/2021 02:30:59 -68.45, -39.24 126.17 04/29/2021 02:30:22 -68.46, -39.21 126.15 1.89 37
9 05/01/2021 17:06:36 -69.02, 101.14 126.39 05/01/2021 17:07:47 -68.95, 102.00 126.46 35.05 71
10 05/01/2021 17:57:13 68.52, -90.89 53.10 05/01/2021 17:57:20 68.50, -90.92 53.08 2.43 7
11 05/01/2021 18:47:54 -68.38, 76.61 127.05 05/01/2021 18:46:50 -68.40, 76.59 127.03 2.28 64
12 05/04/2021 09:23:25 -68.63,-142.58 127.56 05/04/2021 09:24:20 -68.61,-142.56 127.59 2.90 55
13 05/04/2021 10:14:08 68.46, 24.96 52.25 05/04/2021 10:13:47 68.49, 24.94 52.28 3.17 21
14 05/04/2021 11:04:38 -67.72,-166.80 128.50 05/04/2021 11:03:28 -67.77,-168.27 128.44 61.98 70

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2021
SNOs_Map_NOAA-20_TERRA_20210422.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/22/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA