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: 4/22/2018
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 04/23/2018 19:38:00 68.31,-115.93 55.48 04/23/2018 19:38:59 68.31,-115.94 55.48 0.85 59
2 04/23/2018 20:28:41 -68.17, 51.56 124.67 04/23/2018 20:28:29 -68.20, 51.56 124.65 3.35 12
3 04/23/2018 21:19:15 67.50,-140.31 54.65 04/23/2018 21:18:05 67.59,-141.49 54.74 51.40 70
4 04/26/2018 11:54:53 68.26, -0.09 54.55 04/26/2018 11:55:31 68.28, -0.11 54.57 2.57 38
5 04/26/2018 12:45:35 -68.17, 167.34 125.55 04/26/2018 12:45:01 -68.17, 167.39 125.55 2.19 34
6 04/29/2018 03:21:16 -69.07, -52.71 125.46 04/29/2018 03:22:25 -68.95, -51.06 125.60 67.19 69
7 04/29/2018 04:11:46 68.21, 115.75 53.66 04/29/2018 04:12:03 68.23, 115.70 53.68 3.12 17
8 04/29/2018 05:02:28 -68.12, -76.82 126.45 04/29/2018 05:01:33 -68.12, -76.80 126.45 1.17 55
9 05/01/2018 19:37:55 -68.33, 64.06 127.03 05/01/2018 19:39:06 -68.33, 64.05 127.03 0.74 71
10 05/01/2018 20:28:39 68.21,-128.49 52.85 05/01/2018 20:28:33 68.23,-128.43 52.86 2.80 6
11 05/01/2018 21:19:18 -67.96, 39.15 127.43 05/01/2018 21:18:05 -68.01, 38.94 127.38 10.15 73
12 05/04/2018 11:54:48 -68.28, 179.89 127.87 05/04/2018 11:55:38 -68.27, 179.84 127.89 2.61 50
13 05/04/2018 12:45:32 68.17, -12.66 52.01 05/04/2018 12:45:05 68.16, -12.64 52.00 1.62 27
14 05/04/2018 13:35:58 -67.21, 155.83 128.97 05/04/2018 13:34:50 -67.21, 153.92 128.96 82.42 68

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/22/2018
SNOs_Map_NOAA-20_TERRA_20180422.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/22/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service