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: 8/4/2017
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 08/06/2017 19:13:01 -68.39, 70.37 128.18 08/06/2017 19:13:44 -68.37, 70.37 128.20 2.26 43
2 08/06/2017 20:03:45 68.27,-122.17 51.72 08/06/2017 20:03:11 68.25,-122.12 51.70 2.84 34
3 08/09/2017 10:39:27 69.04, 17.94 53.25 08/09/2017 10:40:36 68.92, 19.30 53.10 55.97 69
4 08/09/2017 11:29:58 -68.35,-173.82 127.45 08/09/2017 11:30:15 -68.32,-173.80 127.48 3.31 17
5 08/09/2017 12:20:41 68.19, -6.30 52.39 08/09/2017 12:19:42 68.21, -6.30 52.41 2.29 59
6 08/12/2017 02:56:12 68.42, 134.53 53.41 08/12/2017 02:57:14 68.44, 134.57 53.41 2.08 62
7 08/12/2017 03:46:53 -68.27, -57.95 126.75 08/12/2017 03:46:45 -68.28, -57.98 126.74 2.07 8
8 08/12/2017 04:37:29 67.73, 110.04 52.71 08/12/2017 04:36:18 67.83, 109.13 52.83 39.89 71
9 08/14/2017 19:13:09 68.40,-109.67 54.20 08/14/2017 19:13:45 68.39,-109.61 54.19 2.64 36
10 08/14/2017 20:03:50 -68.24, 57.85 125.96 08/14/2017 20:03:16 -68.24, 57.84 125.96 0.50 34
11 08/17/2017 10:39:32 -69.01,-162.03 124.35 08/17/2017 10:40:42 -68.86,-160.80 124.52 51.99 70
12 08/17/2017 11:30:05 68.32, 6.20 54.96 08/17/2017 11:30:17 68.30, 6.15 54.93 3.16 12
13 08/17/2017 12:20:47 -68.21, 173.65 125.15 08/17/2017 12:19:47 -68.20, 173.67 125.15 1.30 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/4/2017
SNOs_Map_NPP_TERRA_20170805.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/04/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service