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: 7/29/2021
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 07/31/2021 07:42:30 69.73, 61.11 51.53 07/31/2021 07:43:36 69.63, 63.52 51.36 93.55 66
2 07/31/2021 08:32:54 -68.69,-130.11 129.55 07/31/2021 08:33:21 -68.69,-130.07 129.55 1.56 27
3 07/31/2021 09:23:37 68.51, 37.44 50.28 07/31/2021 09:22:49 68.52, 37.37 50.30 3.21 48
4 08/02/2021 23:59:07 68.77, 178.24 51.21 08/03/2021 00:00:18 68.78, 178.28 51.21 2.32 71
5 08/03/2021 00:49:48 -68.63, -14.26 128.93 08/03/2021 00:49:49 -68.62, -14.29 128.94 1.81 1
6 08/03/2021 01:40:30 68.40, 153.35 50.84 08/03/2021 01:39:17 68.44, 153.15 50.90 9.70 73
7 08/05/2021 16:16:00 68.71, -65.92 51.87 08/05/2021 16:16:45 68.69, -65.94 51.84 2.14 45
8 08/05/2021 17:06:41 -68.57, 101.58 128.27 08/05/2021 17:06:15 -68.59, 101.56 128.25 2.26 26
9 08/08/2021 07:42:25 -69.57,-118.66 126.51 08/08/2021 07:43:33 -69.44,-116.75 126.69 75.79 68
10 08/08/2021 08:32:54 68.66, 49.92 52.56 08/08/2021 08:33:12 68.66, 49.89 52.55 1.13 18
11 08/08/2021 09:23:36 -68.57,-142.64 127.53 08/08/2021 09:22:42 -68.56,-142.60 127.54 2.17 54
12 08/10/2021 23:59:04 -68.72, -1.70 126.61 08/11/2021 00:00:12 -68.74, -1.77 126.60 3.46 68
13 08/11/2021 00:49:48 68.60, 165.76 53.28 08/11/2021 00:49:39 68.62, 165.72 53.29 2.06 9
14 08/11/2021 01:40:25 -68.25, -26.46 127.08 08/11/2021 01:39:13 -68.30, -27.03 127.01 24.50 72

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/29/2021
SNOs_Map_NOAA-20_TERRA_20210729.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/29/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA