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: 1/1/2018
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 01/03/2018 02:56:22 68.33, 134.56 91.07 01/03/2018 02:56:56 68.35, 134.59 91.08 2.78 34
2 01/03/2018 03:47:03 -68.19, -57.94 89.09 01/03/2018 03:46:27 -68.19, -57.97 89.08 1.30 36
3 01/05/2018 18:22:41 -68.95, 82.21 88.59 01/05/2018 18:23:51 -68.87, 83.45 88.69 50.47 70
4 01/05/2018 19:13:15 68.29,-109.62 90.75 01/05/2018 19:13:26 68.31,-109.59 90.76 2.04 11
5 01/05/2018 20:03:56 -68.15, 57.89 89.41 01/05/2018 20:02:57 -68.15, 57.86 89.41 1.27 59
6 01/08/2018 10:39:24 -68.37,-161.25 89.51 01/08/2018 10:40:29 -68.37,-161.28 89.52 1.25 65
7 01/08/2018 11:30:08 68.26, 6.21 90.38 01/08/2018 11:29:56 68.25, 6.23 90.37 0.98 12
8 01/08/2018 12:20:43 -67.79, 174.11 90.11 01/08/2018 12:19:31 -67.87, 173.41 90.01 30.74 72
9 01/11/2018 02:56:17 -68.34, -45.43 89.93 01/11/2018 02:56:58 -68.36, -45.41 89.91 3.15 41
10 01/11/2018 03:47:01 68.22, 122.03 89.95 01/11/2018 03:46:26 68.19, 122.03 89.92 3.44 35
11 01/13/2018 18:22:39 69.04, -97.91 90.37 01/13/2018 18:23:48 68.90, -96.50 90.19 58.57 69
12 01/13/2018 19:13:09 -68.30, 70.39 90.40 01/13/2018 19:13:27 -68.29, 70.39 90.41 0.91 18
13 01/13/2018 20:03:53 68.19,-122.16 89.48 01/13/2018 20:02:54 68.18,-122.10 89.47 2.63 59

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/1/2018
SNOs_Map_NPP_TERRA_20180101.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/01/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service