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: 1/18/2018
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 01/20/2018 11:04:31 -68.37,-167.49 91.63 01/20/2018 11:05:12 -68.36,-167.47 91.64 1.24 41
2 01/20/2018 11:55:15 68.25, -0.02 88.25 01/20/2018 11:54:39 68.24, 0.04 88.24 2.66 36
3 01/23/2018 02:30:54 68.98, 140.15 88.43 01/23/2018 02:32:03 68.89, 141.44 88.29 52.67 69
4 01/23/2018 03:21:25 -68.30, -51.63 92.29 01/23/2018 03:21:42 -68.28, -51.67 92.31 2.54 17
5 01/23/2018 04:12:09 68.18, 115.83 87.58 01/23/2018 04:11:09 68.17, 115.83 87.57 1.90 60
6 01/25/2018 18:47:38 68.38,-103.29 87.16 01/25/2018 18:48:40 68.41,-103.27 87.18 3.30 62
7 01/25/2018 19:38:19 -68.24, 64.22 93.01 01/25/2018 19:38:11 -68.26, 64.17 92.99 2.93 8
8 01/25/2018 20:28:56 67.74,-127.86 86.48 01/25/2018 20:27:44 67.80,-128.71 86.57 36.69 72
9 01/28/2018 11:04:31 68.32, 12.56 86.41 01/28/2018 11:05:09 68.32, 12.50 86.40 2.52 38
10 01/28/2018 11:55:13 -68.22, 180.00 93.71 01/28/2018 11:54:39 -68.22,-179.99 93.71 0.69 34
11 01/31/2018 02:30:53 -69.01, -39.90 93.60 01/31/2018 02:32:02 -68.89, -38.55 93.76 55.20 69
12 01/31/2018 03:21:26 68.31, 128.34 85.67 01/31/2018 03:21:37 68.33, 128.39 85.69 3.09 11
13 01/31/2018 04:12:07 -68.16, -64.15 94.50 01/31/2018 04:11:08 -68.17, -64.16 94.47 1.98 59

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 1/18/2018
SNOs_Map_NOAA-20_TERRA_20180119.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 01/18/2018 in txt file.

Historical Predictions of SNOs between NOAA-20 and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service