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: 4/21/2020
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 04/23/2020 10:14:28 -68.65,-155.26 124.22 04/23/2020 10:15:40 -68.60,-154.87 124.28 16.68 72
2 04/23/2020 11:05:08 68.30, 12.50 55.42 04/23/2020 11:05:10 68.32, 12.43 55.44 3.48 2
3 04/23/2020 11:55:50 -68.23, 179.92 124.67 04/23/2020 11:54:40 -68.21, 179.94 124.69 1.90 70
4 04/26/2020 02:31:18 -68.45, -39.22 125.30 04/26/2020 02:32:09 -68.43, -39.19 125.32 2.27 51
5 04/26/2020 03:22:02 68.32, 128.25 54.56 04/26/2020 03:21:36 68.31, 128.31 54.56 2.42 26
6 04/26/2020 04:12:28 -67.38, -63.27 126.40 04/26/2020 04:11:20 -67.43, -65.08 126.34 77.65 68
7 04/28/2020 17:57:46 69.34, -91.99 54.78 04/28/2020 17:58:53 69.24, -89.91 54.67 82.60 67
8 04/28/2020 18:48:11 -68.35, 76.67 126.24 04/28/2020 18:48:37 -68.36, 76.62 126.23 2.67 26
9 04/28/2020 19:38:55 68.22,-115.86 53.62 04/28/2020 19:38:04 68.24,-115.88 53.64 2.54 51
10 05/01/2020 10:14:24 68.45, 24.99 53.05 05/01/2020 10:15:34 68.45, 24.98 53.05 0.64 70
11 05/01/2020 11:05:06 -68.36,-167.58 127.05 05/01/2020 11:05:04 -68.35,-167.51 127.07 3.12 2
12 05/01/2020 11:55:46 68.02, 0.16 52.60 05/01/2020 11:54:34 68.06, -0.21 52.64 15.94 72
13 05/04/2020 02:31:18 68.41, 140.81 52.23 05/04/2020 02:32:01 68.43, 140.85 52.24 2.35 43
14 05/04/2020 03:21:59 -68.27, -51.69 127.93 05/04/2020 03:21:32 -68.27, -51.71 127.93 1.00 27

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2020
SNOs_Map_NOAA-20_TERRA_20200421.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/21/2020 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service