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: 5/11/2015
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 05/13/2015 15:55:01 -68.94, 120.49 129.59 05/13/2015 15:56:02 -68.96, 120.51 129.57 3.07 61
2 05/13/2015 16:45:45 68.80, -72.02 50.27 05/13/2015 16:45:30 68.80, -72.04 50.27 0.96 15
3 05/13/2015 17:36:18 -68.25, 96.02 130.30 05/13/2015 17:35:07 -68.30, 94.98 130.25 43.44 71
4 05/16/2015 08:11:55 -68.87,-123.67 130.29 05/16/2015 08:12:35 -68.88,-123.73 130.30 2.33 40
5 05/16/2015 09:02:39 68.79, 43.75 49.62 05/16/2015 09:02:01 68.77, 43.78 49.59 3.29 38
6 05/18/2015 23:38:18 69.54,-176.15 49.78 05/18/2015 23:39:27 69.42,-174.78 49.67 55.09 69
7 05/19/2015 00:28:49 -68.87, -7.91 130.90 05/19/2015 00:29:05 -68.88, -7.85 130.90 2.09 16
8 05/19/2015 01:19:32 68.69, 159.65 48.91 05/19/2015 01:18:33 68.71, 159.58 48.93 3.53 59
9 05/21/2015 15:55:02 68.96, -59.58 48.64 05/21/2015 15:56:06 68.95, -59.51 48.63 2.71 64
10 05/21/2015 16:45:43 -68.83, 107.92 131.50 05/21/2015 16:45:37 -68.80, 107.92 131.54 3.43 6
11 05/21/2015 17:36:20 68.32, -84.11 47.99 05/21/2015 17:35:09 68.40, -84.92 48.06 34.43 71
12 05/24/2015 08:11:56 68.92, 56.23 48.08 05/24/2015 08:12:37 68.90, 56.30 48.06 3.47 41
13 05/24/2015 09:02:36 -68.74,-136.19 132.12 05/24/2015 09:02:08 -68.75,-136.26 132.10 3.13 28

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/11/2015
SNOs_Map_NPP_TERRA_20150511.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/11/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service