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: 11/17/2018
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 11/19/2018 02:56:38 68.36, 134.54 87.69 11/19/2018 02:57:16 68.35, 134.48 87.67 2.92 38
2 11/19/2018 03:47:18 -68.23, -57.98 92.44 11/19/2018 03:46:45 -68.24, -58.01 92.43 1.64 33
3 11/21/2018 18:22:57 -68.96, 82.21 91.13 11/21/2018 18:24:07 -68.88, 83.39 91.19 48.21 70
4 11/21/2018 19:13:31 68.30,-109.61 88.22 11/21/2018 19:13:42 68.32,-109.66 88.24 3.31 11
5 11/21/2018 20:04:13 -68.22, 57.81 91.85 11/21/2018 20:03:12 -68.22, 57.85 91.86 1.64 61
6 11/24/2018 10:39:42 -68.41,-161.30 91.12 11/24/2018 10:40:42 -68.41,-161.30 91.12 0.07 60
7 11/24/2018 11:30:26 68.29, 6.17 88.77 11/24/2018 11:30:09 68.29, 6.20 88.77 1.29 17
8 11/24/2018 12:20:58 -67.67, 174.27 91.84 11/24/2018 12:19:47 -67.74, 173.19 91.78 46.10 71
9 11/27/2018 02:56:36 -68.35, -45.45 90.67 11/27/2018 02:57:10 -68.33, -45.50 90.68 2.84 34
10 11/27/2018 03:47:20 68.22, 122.02 89.22 11/27/2018 03:46:37 68.21, 121.99 89.20 1.92 43
11 11/29/2018 18:22:53 68.64, -97.39 90.09 11/29/2018 18:24:04 68.57, -96.95 90.03 19.30 71
12 11/29/2018 19:13:30 -68.28, 70.40 90.27 11/29/2018 19:13:37 -68.31, 70.36 90.24 3.29 7
13 11/29/2018 20:04:13 68.17,-122.14 89.63 11/29/2018 20:03:03 68.18,-122.14 89.64 2.19 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/17/2018
SNOs_Map_NPP_TERRA_20181117.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/17/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service