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: 3/19/2018
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 03/20/2018 03:21:18 68.31, 128.29 68.44 03/20/2018 03:21:52 68.28, 128.31 68.41 3.15 34
2 03/20/2018 04:11:59 -68.18, -64.23 111.71 03/20/2018 04:11:22 -68.18, -64.18 111.71 2.06 37
3 03/22/2018 18:47:42 -69.16, 75.61 111.73 03/22/2018 18:48:50 -69.05, 77.46 111.89 74.37 68
4 03/22/2018 19:38:12 68.28,-115.91 67.35 03/22/2018 19:38:29 68.27,-115.85 67.34 2.39 17
5 03/22/2018 20:28:53 -68.15, 51.58 112.80 03/22/2018 20:28:00 -68.12, 51.60 112.83 3.05 53
6 03/25/2018 11:04:26 -68.65,-167.92 113.32 03/25/2018 11:05:38 -68.55,-167.33 113.44 26.48 72
7 03/25/2018 11:55:04 68.20, -0.04 66.21 03/25/2018 11:55:09 68.22, -0.08 66.23 3.05 5
8 03/25/2018 12:45:46 -68.12, 167.39 113.89 03/25/2018 12:44:39 -68.13, 167.44 113.88 2.47 67
9 03/28/2018 03:21:15 -68.35, -51.77 114.68 03/28/2018 03:22:25 -68.34, -51.76 114.70 1.18 70
10 03/28/2018 04:11:59 68.23, 115.70 65.19 03/28/2018 04:11:52 68.23, 115.75 65.19 2.30 7
11 03/28/2018 05:02:38 -67.98, -76.67 115.09 03/28/2018 05:01:24 -68.03, -76.85 115.03 9.49 74
12 03/30/2018 19:38:09 -68.32, 64.04 115.76 03/30/2018 19:39:12 -68.31, 64.00 115.78 2.52 63
13 03/30/2018 20:28:53 68.20,-128.50 64.11 03/30/2018 20:28:39 68.20,-128.48 64.11 0.76 14
14 03/30/2018 21:19:27 -67.68, 39.47 116.44 03/30/2018 21:18:16 -67.72, 38.60 116.38 37.01 71

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/19/2018
SNOs_Map_NOAA-20_TERRA_20180319.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/19/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service