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: 12/24/2016
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 12/25/2016 18:22:55 68.43, -97.15 91.68 12/25/2016 18:24:00 68.42, -97.15 91.67 0.57 65
2 12/25/2016 19:13:37 -68.34, 70.29 88.42 12/25/2016 19:13:30 -68.32, 70.36 88.44 3.49 7
3 12/25/2016 20:04:14 67.84,-121.78 91.09 12/25/2016 20:03:02 67.92,-122.46 91.18 30.07 72
4 12/28/2016 10:39:49 68.41, 18.65 91.55 12/28/2016 10:40:29 68.39, 18.69 91.52 2.65 40
5 12/28/2016 11:30:30 -68.26,-173.84 88.61 12/28/2016 11:29:59 -68.29,-173.80 88.59 2.99 31
6 12/31/2016 02:06:12 -69.20, -33.95 87.82 12/31/2016 02:07:20 -69.08, -32.21 87.96 70.05 68
7 12/31/2016 02:56:42 68.34, 134.52 91.30 12/31/2016 02:56:58 68.35, 134.53 91.32 1.97 16
8 12/31/2016 03:47:23 -68.19, -57.98 88.85 12/31/2016 03:46:29 -68.19, -58.03 88.85 2.14 54
9 01/02/2017 18:22:51 -68.44, 82.85 88.82 01/02/2017 18:23:59 -68.43, 82.86 88.83 0.44 68
10 01/02/2017 19:13:35 68.32,-109.69 91.06 01/02/2017 19:13:26 68.32,-109.63 91.06 2.50 9
11 01/02/2017 20:04:12 -67.96, 58.08 89.32 01/02/2017 20:02:59 -68.05, 57.68 89.22 19.52 73
12 01/05/2017 10:39:44 -68.37,-161.29 89.17 01/05/2017 10:40:28 -68.39,-161.31 89.15 2.91 44
13 01/05/2017 11:30:28 68.26, 6.16 90.72 01/05/2017 11:29:55 68.28, 6.20 90.74 2.75 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/24/2016
SNOs_Map_NPP_TERRA_20161224.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/24/2016 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service