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: 9/5/2017
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 09/07/2017 18:23:00 69.31, -98.28 63.43 09/07/2017 18:24:07 69.20, -96.26 63.30 80.52 67
2 09/07/2017 19:13:26 -68.37, 70.32 117.52 09/07/2017 19:13:50 -68.37, 70.33 117.52 0.69 24
3 09/07/2017 20:04:10 68.25,-122.21 62.37 09/07/2017 20:03:17 68.25,-122.16 62.38 2.38 53
4 09/10/2017 10:39:41 68.45, 18.66 63.57 09/10/2017 10:40:50 68.43, 18.65 63.54 2.75 69
5 09/10/2017 11:30:22 -68.31,-173.84 116.57 09/10/2017 11:30:20 -68.33,-173.84 116.56 1.59 2
6 09/10/2017 12:21:01 67.97, -6.10 63.11 09/10/2017 12:19:49 68.04, -6.53 63.18 19.59 72
7 09/13/2017 02:56:36 68.40, 134.50 64.53 09/13/2017 02:57:19 68.39, 134.48 64.52 1.38 43
8 09/13/2017 03:47:18 -68.31, -58.07 115.55 09/13/2017 03:46:49 -68.29, -58.01 115.57 3.32 29
9 09/15/2017 18:23:02 -69.21, 81.86 113.64 09/15/2017 18:24:10 -69.13, 83.64 113.72 71.05 68
10 09/15/2017 19:13:32 68.35,-109.67 65.51 09/15/2017 19:13:49 68.35,-109.69 65.51 1.09 17
11 09/15/2017 20:04:14 -68.25, 57.77 114.58 09/15/2017 20:03:19 -68.25, 57.82 114.58 2.21 55
12 09/18/2017 10:39:44 -68.41,-161.30 113.41 09/18/2017 10:40:52 -68.43,-161.36 113.39 3.36 68
13 09/18/2017 11:30:28 68.29, 6.16 66.49 09/18/2017 11:30:19 68.31, 6.14 66.50 2.10 9
14 09/18/2017 12:21:05 -67.93, 173.94 113.86 09/18/2017 12:19:53 -67.99, 173.39 113.81 23.77 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/5/2017
SNOs_Map_NPP_TERRA_20170906.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/05/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service