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: 12/18/2019
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 12/20/2019 02:30:30 -68.81, -39.67 87.88 12/20/2019 02:31:41 -68.68, -38.84 88.02 36.37 71
2 12/20/2019 03:21:07 68.31, 128.31 91.61 12/20/2019 03:21:13 68.30, 128.34 91.61 1.38 6
3 12/20/2019 04:11:48 -68.18, -64.21 88.52 12/20/2019 04:10:43 -68.19, -64.16 88.51 2.17 65
4 12/22/2019 18:47:17 -68.39, 76.66 88.29 12/22/2019 18:48:15 -68.41, 76.70 88.28 2.04 58
5 12/22/2019 19:38:01 68.27,-115.86 91.59 12/22/2019 19:37:43 68.24,-115.85 91.57 2.39 18
6 12/22/2019 20:28:32 -67.59, 52.29 89.09 12/22/2019 20:27:22 -67.63, 51.07 89.05 51.95 70
7 12/25/2019 11:04:10 -68.35,-167.50 88.37 12/25/2019 11:04:44 -68.35,-167.49 88.38 0.88 34
8 12/25/2019 11:54:54 68.23, -0.04 91.51 12/25/2019 11:54:11 68.24, 0.02 91.52 2.58 43
9 12/28/2019 02:30:28 68.72, 140.47 91.92 12/28/2019 02:31:40 68.61, 141.08 91.80 27.63 72
10 12/28/2019 03:21:04 -68.31, -51.68 88.50 12/28/2019 03:21:13 -68.33, -51.63 88.48 3.25 9
11 12/28/2019 04:11:48 68.19, 115.79 91.38 12/28/2019 04:10:41 68.17, 115.82 91.35 2.99 67
12 12/30/2019 18:47:16 68.36,-103.29 91.41 12/30/2019 18:48:13 68.36,-103.34 91.41 2.14 57
13 12/30/2019 19:37:58 -68.27, 64.15 88.69 12/30/2019 19:37:43 -68.26, 64.17 88.71 1.78 15
14 12/30/2019 20:28:30 67.51,-127.59 90.53 12/30/2019 20:27:20 67.58,-128.97 90.63 59.21 70

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/18/2019
SNOs_Map_NOAA-20_TERRA_20191218.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/18/2019 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service