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: 9/4/2017
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 09/05/2017 02:56:30 -68.41, -45.49 118.48 09/05/2017 02:57:20 -68.42, -45.48 118.46 2.01 50
2 09/05/2017 03:47:14 68.28, 121.97 61.41 09/05/2017 03:46:48 68.26, 121.97 61.39 2.17 26
3 09/05/2017 04:37:40 -67.33, -69.54 119.53 09/05/2017 04:36:32 -67.37, -71.42 119.49 80.85 68
4 09/07/2017 18:22:59 69.29, -98.25 63.41 09/07/2017 18:24:06 69.19, -96.27 63.30 78.86 67
5 09/07/2017 19:13:25 -68.34, 70.35 117.54 09/07/2017 19:13:49 -68.36, 70.32 117.53 2.05 24
6 09/07/2017 20:04:09 68.22,-122.18 62.35 09/07/2017 20:03:16 68.25,-122.16 62.38 3.41 53
7 09/10/2017 10:39:40 68.43, 18.69 63.54 09/10/2017 10:40:48 68.45, 18.67 63.56 1.87 68
8 09/10/2017 11:30:22 -68.34,-173.88 116.54 09/10/2017 11:30:18 -68.34,-173.82 116.54 2.14 4
9 09/10/2017 12:21:01 67.95, -6.07 63.09 09/10/2017 12:19:49 68.00, -6.58 63.14 21.87 72
10 09/13/2017 02:56:37 68.43, 134.46 64.56 09/13/2017 02:57:17 68.41, 134.51 64.54 3.14 40
11 09/13/2017 03:47:18 -68.28, -58.04 115.58 09/13/2017 03:46:47 -68.30, -57.99 115.56 2.98 31
12 09/15/2017 18:23:00 -69.08, 82.04 113.77 09/15/2017 18:24:10 -68.97, 83.44 113.88 57.18 70
13 09/15/2017 19:13:33 68.38,-109.71 65.54 09/15/2017 19:13:46 68.35,-109.68 65.51 2.68 13
14 09/15/2017 20:04:14 -68.23, 57.80 114.60 09/15/2017 20:03:16 -68.25, 57.83 114.58 2.98 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/4/2017
SNOs_Map_NPP_TERRA_20170904.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/04/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service