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: 4/24/2019
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 04/26/2019 18:48:01 -68.39, 76.63 125.33 04/26/2019 18:48:53 -68.40, 76.63 125.32 1.45 52
2 04/26/2019 19:38:45 68.26,-115.90 54.53 04/26/2019 19:38:21 68.24,-115.91 54.51 2.00 24
3 04/26/2019 20:29:12 -67.37, 52.51 126.38 04/26/2019 20:28:03 -67.46, 50.81 126.29 73.06 69
4 04/29/2019 10:14:31 69.40, 23.70 54.87 04/29/2019 10:15:38 69.30, 26.01 54.75 91.53 67
5 04/29/2019 11:04:55 -68.35,-167.56 126.21 04/29/2019 11:05:23 -68.35,-167.55 126.22 0.66 28
6 04/29/2019 11:55:39 68.23, -0.10 53.65 04/29/2019 11:54:50 68.25, -0.03 53.67 3.20 49
7 05/02/2019 02:31:09 68.57, 140.60 53.21 05/02/2019 02:32:20 68.52, 140.90 53.14 13.69 71
8 05/02/2019 03:21:48 -68.32, -51.75 127.06 05/02/2019 03:21:52 -68.29, -51.74 127.09 3.40 4
9 05/02/2019 04:12:32 68.20, 115.71 52.81 05/02/2019 04:11:19 68.18, 115.78 52.79 3.65 73
10 05/04/2019 18:48:00 68.39,-103.39 52.23 05/04/2019 18:48:51 68.39,-103.38 52.23 0.38 51
11 05/04/2019 19:38:41 -68.24, 64.12 127.93 05/04/2019 19:38:22 -68.23, 64.06 127.95 2.99 19
12 05/04/2019 20:29:10 67.32,-127.43 51.13 05/04/2019 20:28:02 67.38,-129.26 51.21 78.65 68
13 05/07/2019 11:04:54 68.37, 12.41 51.45 05/07/2019 11:05:20 68.37, 12.47 51.45 2.58 26
14 05/07/2019 11:55:35 -68.22, 179.92 128.71 05/07/2019 11:54:51 -68.21, 179.92 128.73 1.25 44

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2019
SNOs_Map_NOAA-20_TERRA_20190424.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/24/2019 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service