Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/27/2019
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/28/2019 10:39:14 -68.41,-161.29 103.65 02/28/2019 10:40:26 -68.38,-161.29 103.69 3.01 72
2 02/28/2019 11:29:58 68.27, 6.19 76.19 02/28/2019 11:29:53 68.27, 6.22 76.19 1.25 5
3 02/28/2019 12:20:37 -68.04, 173.81 104.06 02/28/2019 12:19:25 -68.05, 173.60 104.04 8.61 72
4 03/03/2019 02:56:07 -68.37, -45.46 104.72 03/03/2019 02:56:58 -68.36, -45.45 104.74 1.39 51
5 03/03/2019 03:46:51 68.23, 122.02 75.13 03/03/2019 03:46:25 68.24, 122.06 75.14 2.04 26
6 03/03/2019 04:37:17 -67.30, -69.52 105.85 03/03/2019 04:36:09 -67.36, -71.32 105.73 77.64 68
7 03/05/2019 19:13:00 -68.33, 70.36 105.79 03/05/2019 19:13:31 -68.35, 70.40 105.78 2.63 31
8 03/05/2019 20:03:44 68.20,-122.16 74.06 03/05/2019 20:02:59 68.18,-122.16 74.05 2.17 45
9 03/08/2019 10:39:19 68.86, 18.12 73.73 03/08/2019 10:40:29 68.73, 19.10 73.57 41.47 70
10 03/08/2019 11:29:52 -68.29,-173.82 106.87 03/08/2019 11:30:05 -68.30,-173.80 106.87 1.17 13
11 03/08/2019 12:20:36 68.16, -6.34 72.98 03/08/2019 12:19:32 68.19, -6.29 73.01 3.34 64
12 03/11/2019 02:56:04 68.40, 134.51 72.20 03/11/2019 02:57:11 68.37, 134.50 72.16 3.38 67
13 03/11/2019 03:46:45 -68.26, -58.00 107.96 03/11/2019 03:46:41 -68.27, -57.98 107.95 1.45 4
14 03/11/2019 04:37:24 67.87, 109.81 71.62 03/11/2019 04:36:12 67.93, 109.27 71.71 23.94 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/27/2019
SNOs_Map_NPP_TERRA_20190227.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service