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: 7/15/2021
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 07/15/2021 08:32:54 -68.67,-130.08 132.86 07/15/2021 08:33:37 -68.70,-130.06 132.84 2.69 43
2 07/15/2021 09:23:38 68.55, 37.39 47.02 07/15/2021 09:23:05 68.53, 37.38 47.01 2.04 33
3 07/17/2021 23:59:16 69.28, 177.54 48.22 07/18/2021 00:00:25 69.18, 178.80 48.08 50.88 69
4 07/18/2021 00:49:48 -68.66, -14.29 132.42 07/18/2021 00:50:03 -68.63, -14.26 132.46 3.18 15
5 07/18/2021 01:40:32 68.53, 153.18 47.46 07/18/2021 01:39:30 68.52, 153.24 47.44 3.31 62
6 07/20/2021 16:16:01 68.73, -65.94 48.14 07/20/2021 16:16:59 68.72, -65.90 48.12 2.02 58
7 07/20/2021 17:06:42 -68.59, 101.57 132.00 07/20/2021 17:06:29 -68.62, 101.60 131.98 3.10 13
8 07/20/2021 17:57:16 67.93, -90.28 47.33 07/20/2021 17:56:06 67.94, -91.56 47.38 53.53 70
9 07/23/2021 08:32:55 68.67, 49.91 48.61 07/23/2021 08:33:26 68.64, 49.88 48.58 3.26 31
10 07/23/2021 09:23:36 -68.52,-142.58 131.53 07/23/2021 09:22:56 -68.54,-142.61 131.52 2.10 40
11 07/25/2021 23:59:10 -68.99, -2.06 130.49 07/26/2021 00:00:22 -68.90, -1.55 130.60 22.38 72
12 07/26/2021 00:49:49 68.61, 165.76 49.12 07/26/2021 00:49:52 68.61, 165.73 49.13 1.38 3
13 07/26/2021 01:40:31 -68.51, -26.80 130.97 07/26/2021 01:39:22 -68.51, -26.76 130.97 1.65 69
14 07/28/2021 16:15:59 -68.72, 114.08 130.17 07/28/2021 16:16:50 -68.71, 114.09 130.18 0.76 51
15 07/28/2021 17:06:43 68.60, -78.46 49.73 07/28/2021 17:06:17 68.58, -78.42 49.71 2.71 26
16 07/28/2021 17:57:09 -67.65, 90.07 131.25 07/28/2021 17:56:01 -67.70, 88.18 131.14 80.12 68

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 7/15/2021
SNOs_Map_NOAA-20_TERRA_20210716.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 07/15/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA