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: 6/20/2021
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 06/21/2021 08:32:54 68.70, 49.90 45.17 06/21/2021 08:34:01 68.71, 49.95 45.17 1.80 67
2 06/21/2021 09:23:35 -68.56,-142.59 134.97 06/21/2021 09:23:32 -68.54,-142.62 134.99 2.47 3
3 06/21/2021 10:14:14 68.17, 25.22 44.63 06/21/2021 10:13:02 68.26, 24.68 44.73 24.43 72
4 06/24/2021 00:49:48 68.62, 165.78 45.12 06/24/2021 00:50:29 68.63, 165.73 45.12 2.17 41
5 06/24/2021 01:40:30 -68.53, -26.78 134.97 06/24/2021 01:39:59 -68.52, -26.77 134.98 1.10 31
6 06/26/2021 16:16:10 -69.35, 113.24 134.05 06/26/2021 16:17:19 -69.22, 114.71 134.22 59.57 69
7 06/26/2021 17:06:42 68.60, -78.42 45.18 06/26/2021 17:06:55 68.60, -78.43 45.18 0.52 13
8 06/26/2021 17:57:24 -68.50, 89.02 134.92 06/26/2021 17:56:25 -68.50, 89.08 134.92 2.46 59
9 06/29/2021 08:32:53 -68.68,-130.08 134.61 06/29/2021 08:33:55 -68.69,-130.08 134.61 0.86 62
10 06/29/2021 09:23:37 68.57, 37.38 45.28 06/29/2021 09:23:22 68.57, 37.41 45.28 1.43 15
11 06/29/2021 10:14:10 -67.99,-154.56 135.31 06/29/2021 10:12:59 -68.08,-155.54 135.20 41.97 71
12 07/02/2021 00:49:48 -68.66, -14.28 134.46 07/02/2021 00:50:22 -68.66, -14.24 134.46 1.29 34
13 07/02/2021 01:40:31 68.50, 153.25 45.38 07/02/2021 01:39:50 68.47, 153.18 45.36 3.54 41

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/20/2021
SNOs_Map_NOAA-20_TERRA_20210621.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/20/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA