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: 12/30/2017
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 12/31/2017 10:39:29 68.34, 18.77 91.31 12/31/2017 10:40:27 68.37, 18.73 91.33 3.25 58
2 12/31/2017 11:30:11 -68.25,-173.80 88.79 12/31/2017 11:29:57 -68.26,-173.77 88.79 1.40 14
3 12/31/2017 12:20:44 67.54, -5.60 90.48 12/31/2017 12:19:34 67.59, -6.90 90.55 55.29 70
4 01/03/2018 02:56:22 68.30, 134.60 91.04 01/03/2018 02:56:57 68.33, 134.56 91.06 3.26 35
5 01/03/2018 03:47:04 -68.21, -57.97 89.06 01/03/2018 03:46:27 -68.22, -57.93 89.05 1.99 37
6 01/05/2018 18:22:42 -68.97, 82.18 88.56 01/05/2018 18:23:52 -68.84, 83.43 88.72 51.78 70
7 01/05/2018 19:13:15 68.27,-109.58 90.72 01/05/2018 19:13:27 68.28,-109.61 90.73 2.33 12
8 01/05/2018 20:03:57 -68.17, 57.86 89.39 01/05/2018 20:02:57 -68.18, 57.89 89.38 1.64 60
9 01/08/2018 10:39:24 -68.40,-161.28 89.48 01/08/2018 10:40:28 -68.40,-161.24 89.49 1.60 64
10 01/08/2018 11:30:07 68.23, 6.24 90.35 01/08/2018 11:29:56 68.22, 6.20 90.34 1.92 11
11 01/08/2018 12:20:43 -67.81, 174.08 90.09 01/08/2018 12:19:31 -67.84, 173.38 90.04 29.51 72
12 01/11/2018 02:56:16 -68.31, -45.39 89.96 01/11/2018 02:56:58 -68.33, -45.44 89.94 3.25 42
13 01/11/2018 03:47:00 68.20, 122.06 89.93 01/11/2018 03:46:25 68.21, 122.07 89.94 1.97 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/30/2017
SNOs_Map_NPP_TERRA_20171230.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service