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: 4/13/2019
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 04/14/2019 19:12:40 68.33,-109.57 58.71 04/14/2019 19:13:34 68.35,-109.59 58.73 2.27 54
2 04/14/2019 20:03:22 -68.25, 57.86 121.39 04/14/2019 20:03:04 -68.24, 57.91 121.40 2.42 18
3 04/14/2019 20:53:52 67.36,-133.75 57.71 04/14/2019 20:52:44 67.41,-135.41 57.77 71.15 68
4 04/17/2019 11:29:37 68.33, 6.20 57.75 04/17/2019 11:30:05 68.31, 6.24 57.73 2.30 28
5 04/17/2019 12:20:17 -68.19, 173.70 122.41 04/17/2019 12:19:34 -68.21, 173.74 122.39 3.13 43
6 04/20/2019 02:55:54 -68.71, -45.85 122.78 04/20/2019 02:57:05 -68.59, -45.20 122.91 29.49 71
7 04/20/2019 03:46:32 68.27, 122.03 56.76 04/20/2019 03:46:36 68.26, 122.04 56.74 1.91 4
8 04/20/2019 04:37:13 -68.13, -70.46 123.40 04/20/2019 04:36:06 -68.16, -70.45 123.37 3.28 67
9 04/22/2019 19:12:44 -68.33, 70.41 124.08 04/22/2019 19:13:41 -68.35, 70.38 124.06 2.56 57
10 04/22/2019 20:03:28 68.22,-122.13 55.80 04/22/2019 20:03:08 68.23,-122.12 55.81 1.83 20
11 04/22/2019 20:53:58 -67.48, 46.10 124.97 04/22/2019 20:52:48 -67.58, 44.75 124.85 58.52 70
12 04/25/2019 11:29:41 -68.33,-173.82 124.97 04/25/2019 11:30:14 -68.32,-173.80 124.99 1.99 33
13 04/25/2019 12:20:24 68.17, -6.30 54.86 04/25/2019 12:19:41 68.19, -6.30 54.89 3.06 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/13/2019
SNOs_Map_NPP_TERRA_20190413.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service