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: 8/12/2017
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 08/12/2017 04:37:30 67.74, 110.02 52.72 08/12/2017 04:36:19 67.78, 109.09 52.79 39.86 71
2 08/14/2017 19:13:08 68.36,-109.62 54.15 08/14/2017 19:13:45 68.34,-109.67 54.13 2.98 37
3 08/14/2017 20:03:49 -68.21, 57.89 125.99 08/14/2017 20:03:15 -68.23, 57.83 125.97 3.41 34
4 08/17/2017 10:39:31 -68.98,-161.99 124.38 08/17/2017 10:40:41 -68.84,-160.82 124.55 49.38 70
5 08/17/2017 11:30:05 68.33, 6.18 54.97 08/17/2017 11:30:15 68.34, 6.21 54.98 1.67 10
6 08/17/2017 12:20:46 -68.18, 173.69 125.18 08/17/2017 12:19:46 -68.18, 173.65 125.17 1.75 60
7 08/20/2017 02:56:18 -68.42, -45.48 124.08 08/20/2017 02:57:19 -68.41, -45.48 124.11 1.86 61
8 08/20/2017 03:47:02 68.31, 121.97 55.82 08/20/2017 03:46:46 68.29, 122.03 55.80 3.16 16
9 08/20/2017 04:37:35 -67.73, -69.98 124.77 08/20/2017 04:36:24 -67.74, -70.99 124.73 42.55 71
10 08/22/2017 19:13:14 -68.35, 70.38 123.27 08/22/2017 19:13:50 -68.36, 70.34 123.26 2.59 36
11 08/22/2017 20:03:58 68.24,-122.17 56.64 08/22/2017 20:03:17 68.25,-122.15 56.65 1.25 41
12 08/25/2017 10:39:35 68.81, 18.22 58.11 08/25/2017 10:40:45 68.70, 18.99 57.99 33.44 70
13 08/25/2017 11:30:10 -68.32,-173.83 122.38 08/25/2017 11:30:20 -68.32,-173.84 122.38 0.62 10
14 08/25/2017 12:20:54 68.22, -6.38 57.53 08/25/2017 12:19:47 68.21, -6.33 57.52 2.70 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/12/2017
SNOs_Map_NPP_TERRA_20170812.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/12/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service