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: 10/2/2021
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 10/03/2021 07:42:00 68.83, 62.39 72.81 10/03/2021 07:42:44 68.84, 62.44 72.82 2.35 44
2 10/03/2021 08:32:41 -68.69,-130.11 107.32 10/03/2021 08:32:15 -68.67,-130.13 107.34 2.20 26
3 10/05/2021 23:08:24 -69.68, 9.65 105.32 10/05/2021 23:09:32 -69.55, 11.60 105.45 76.70 68
4 10/05/2021 23:58:53 68.77, 178.25 73.78 10/05/2021 23:59:11 68.77, 178.24 73.78 0.65 18
5 10/06/2021 00:49:35 -68.68, -14.32 106.30 10/06/2021 00:48:41 -68.66, -14.26 106.32 2.77 54
6 10/08/2021 15:25:03 -68.88, 126.57 105.11 10/08/2021 15:26:10 -68.87, 126.59 105.11 1.42 67
7 10/08/2021 16:15:47 68.76, -65.97 74.80 10/08/2021 16:15:37 68.75, -65.91 74.78 2.78 10
8 10/08/2021 17:06:22 -68.35, 101.89 105.60 10/08/2021 17:05:10 -68.43, 101.33 105.54 24.61 72
9 10/11/2021 07:41:55 -68.82,-117.58 104.15 10/11/2021 07:42:35 -68.85,-117.55 104.12 3.33 40
10 10/11/2021 08:32:39 68.71, 49.88 75.76 10/11/2021 08:32:02 68.72, 49.94 75.77 3.09 37
11 10/13/2021 23:08:15 69.34,-169.84 77.37 10/13/2021 23:09:25 69.25,-168.79 77.28 42.61 70
12 10/13/2021 23:58:48 -68.76, -1.73 103.20 10/13/2021 23:59:02 -68.76, -1.78 103.21 2.19 14
13 10/14/2021 00:49:32 68.65, 165.73 76.71 10/14/2021 00:48:29 68.63, 165.71 76.68 2.17 63

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/2/2021
SNOs_Map_NOAA-20_TERRA_20211002.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/02/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA