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: 3/25/2018
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 03/26/2018 19:12:48 68.32,-109.58 65.82 03/26/2018 19:13:44 68.33,-109.59 65.83 1.22 56
2 03/26/2018 20:03:29 -68.19, 57.91 114.34 03/26/2018 20:03:15 -68.18, 57.85 114.35 2.68 14
3 03/26/2018 20:54:02 67.46,-133.89 64.91 03/26/2018 20:52:52 67.50,-135.28 64.98 59.34 70
4 03/29/2018 11:29:44 68.32, 6.19 64.76 03/29/2018 11:30:17 68.30, 6.23 64.74 2.30 33
5 03/29/2018 12:20:25 -68.18, 173.69 115.40 03/29/2018 12:19:48 -68.15, 173.68 115.43 3.19 37
6 04/01/2018 02:56:05 -68.91, -46.14 115.66 04/01/2018 02:57:15 -68.82, -44.90 115.77 50.33 70
7 04/01/2018 03:46:39 68.26, 122.04 63.66 04/01/2018 03:46:50 68.26, 122.06 63.67 1.07 11
8 04/01/2018 04:37:20 -68.11, -70.46 116.51 04/01/2018 04:36:21 -68.11, -70.50 116.50 1.42 59
9 04/03/2018 19:12:50 -68.32, 70.42 117.30 04/03/2018 19:13:56 -68.34, 70.36 117.29 3.25 66
10 04/03/2018 20:03:34 68.20,-122.12 62.57 04/03/2018 20:03:23 68.22,-122.13 62.59 1.93 11
11 04/03/2018 20:54:10 -67.78, 45.72 117.87 04/03/2018 20:52:58 -67.84, 45.06 117.80 28.37 72
12 04/06/2018 11:29:45 -68.31,-173.81 118.33 04/06/2018 11:30:28 -68.29,-173.83 118.36 3.12 43
13 04/06/2018 12:20:28 68.15, -6.29 61.50 04/06/2018 12:19:55 68.17, -6.33 61.52 2.56 33

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/25/2018
SNOs_Map_NPP_TERRA_20180326.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/25/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service