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: 9/8/2017
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 09/10/2017 10:39:41 68.47, 18.64 63.58 09/10/2017 10:40:49 68.44, 18.66 63.56 3.16 68
2 09/10/2017 11:30:22 -68.33,-173.86 116.55 09/10/2017 11:30:19 -68.34,-173.83 116.54 1.54 3
3 09/10/2017 12:21:02 67.99, -6.12 63.13 09/10/2017 12:19:49 68.06, -6.52 63.19 18.16 73
4 09/13/2017 02:56:37 68.42, 134.47 64.55 09/13/2017 02:57:18 68.43, 134.52 64.56 2.30 41
5 09/13/2017 03:47:18 -68.28, -58.03 115.58 09/13/2017 03:46:49 -68.27, -58.04 115.59 1.18 29
6 09/15/2017 18:23:01 -69.18, 81.90 113.67 09/15/2017 18:24:09 -69.07, 83.56 113.79 67.06 68
7 09/15/2017 19:13:32 68.37,-109.70 65.53 09/15/2017 19:13:47 68.34,-109.70 65.50 2.85 15
8 09/15/2017 20:04:13 -68.22, 57.80 114.61 09/15/2017 20:03:17 -68.24, 57.81 114.59 1.64 56
9 09/18/2017 10:39:44 -68.44,-161.33 113.38 09/18/2017 10:40:49 -68.42,-161.37 113.40 2.77 65
10 09/18/2017 11:30:28 68.32, 6.13 66.52 09/18/2017 11:30:16 68.30, 6.13 66.49 2.08 12
11 09/18/2017 12:21:03 -67.85, 174.04 113.94 09/18/2017 12:19:51 -67.92, 173.32 113.88 31.12 72
12 09/21/2017 02:56:40 -68.40, -45.51 112.39 09/21/2017 02:57:18 -68.37, -45.55 112.41 3.28 38
13 09/21/2017 03:47:24 68.28, 121.95 67.51 09/21/2017 03:46:45 68.25, 121.95 67.48 2.93 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/8/2017
SNOs_Map_NPP_TERRA_20170909.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/08/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service