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: 12/8/2018
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 12/10/2018 10:39:40 -68.36,-161.26 88.84 12/10/2018 10:40:32 -68.37,-161.30 88.83 1.86 52
2 12/10/2018 11:30:24 68.24, 6.21 91.05 12/10/2018 11:29:59 68.26, 6.22 91.07 3.21 25
3 12/10/2018 12:20:51 -67.34, 174.62 89.84 12/10/2018 12:19:43 -67.37, 172.83 89.82 76.90 68
4 12/13/2018 02:56:35 -68.36, -45.49 88.62 12/13/2018 02:57:08 -68.36, -45.46 88.63 1.39 33
5 12/13/2018 03:47:18 68.19, 122.04 91.21 12/13/2018 03:46:36 68.20, 121.99 91.22 2.17 42
6 12/15/2018 18:22:59 69.05, -97.96 92.23 12/15/2018 18:24:08 68.97, -96.49 92.15 58.93 69
7 12/15/2018 19:13:29 -68.31, 70.34 88.52 12/15/2018 19:13:48 -68.32, 70.33 88.51 1.14 19
8 12/15/2018 20:04:13 68.19,-122.20 91.37 12/15/2018 20:03:15 68.21,-122.15 91.39 2.76 58
9 12/18/2018 10:39:46 68.68, 18.31 91.96 12/18/2018 10:40:56 68.62, 18.89 91.89 24.48 70
10 12/18/2018 11:30:23 -68.31,-173.89 88.41 12/18/2018 11:30:30 -68.31,-173.86 88.42 1.72 7
11 12/18/2018 12:21:06 68.15, -6.37 91.42 12/18/2018 12:19:58 68.14, -6.41 91.41 1.91 68
12 12/21/2018 02:56:36 68.42, 134.42 91.74 12/21/2018 02:57:46 68.40, 134.43 91.72 2.85 70
13 12/21/2018 03:47:17 -68.27, -58.06 88.42 12/21/2018 03:47:17 -68.26, -58.10 88.42 1.48 0
14 12/21/2018 04:37:58 68.00, 109.59 91.32 12/21/2018 04:36:46 68.04, 109.28 91.36 13.57 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/8/2018
SNOs_Map_NPP_TERRA_20181209.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/08/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service