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: 12/28/2017
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 12/30/2017 02:30:56 -68.94, -39.75 88.00 12/30/2017 02:32:06 -68.81, -38.67 88.14 45.65 70
2 12/30/2017 03:21:31 68.34, 128.35 91.39 12/30/2017 03:21:40 68.32, 128.37 91.36 2.57 9
3 12/30/2017 04:12:12 -68.20, -64.15 88.76 12/30/2017 04:11:10 -68.21, -64.13 88.75 1.60 62
4 01/01/2018 18:47:40 -68.41, 76.72 88.74 01/01/2018 18:48:43 -68.41, 76.72 88.74 0.17 63
5 01/01/2018 19:38:24 68.30,-115.83 91.15 01/01/2018 19:38:10 68.30,-115.77 91.15 2.15 14
6 01/01/2018 20:28:58 -67.78, 52.15 89.39 01/01/2018 20:27:46 -67.86, 51.34 89.29 35.03 72
7 01/04/2018 11:04:33 -68.37,-167.46 89.03 01/04/2018 11:05:14 -68.35,-167.49 89.06 3.10 41
8 01/04/2018 11:55:17 68.26, -0.00 90.85 01/04/2018 11:54:41 68.23, 0.02 90.82 3.23 36
9 01/07/2018 02:30:55 69.07, 140.06 91.39 01/07/2018 02:32:04 68.94, 141.49 91.22 58.65 69
10 01/07/2018 03:21:25 -68.33, -51.63 89.39 01/07/2018 03:21:43 -68.34, -51.62 89.38 0.96 18
11 01/07/2018 04:12:09 68.22, 115.82 90.50 01/07/2018 04:11:10 68.22, 115.88 90.50 2.64 59
12 01/09/2018 18:47:37 68.44,-103.32 90.38 01/09/2018 18:48:43 68.43,-103.27 90.36 2.49 66
13 01/09/2018 19:38:18 -68.28, 64.20 89.79 01/09/2018 19:38:14 -68.27, 64.18 89.80 1.56 4
14 01/09/2018 20:28:57 67.91,-128.02 89.82 01/09/2018 20:27:45 67.93,-128.58 89.86 23.60 72

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/28/2017
SNOs_Map_NOAA-20_TERRA_20171228.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/28/2017 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service