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: 7/22/2018
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 07/24/2018 20:03:42 68.33,-122.24 48.52 07/24/2018 20:04:16 68.33,-122.25 48.51 0.64 34
2 07/24/2018 20:54:22 -68.20, 45.25 131.62 07/24/2018 20:53:45 -68.22, 45.26 131.59 2.67 37
3 07/27/2018 11:30:01 -68.82,-174.43 130.40 07/27/2018 11:31:12 -68.70,-173.57 130.56 37.62 71
4 07/27/2018 12:20:38 68.32, -6.46 49.10 07/27/2018 12:20:44 68.30, -6.40 49.07 3.34 6
5 07/27/2018 13:11:18 -68.13, 161.10 131.10 07/27/2018 13:10:15 -68.14, 161.04 131.08 2.87 63
6 07/30/2018 03:46:50 -68.38, -58.08 130.23 07/30/2018 03:47:46 -68.39, -58.06 130.23 0.75 56
7 07/30/2018 04:37:34 68.26, 109.39 49.66 07/30/2018 04:37:13 68.27, 109.44 49.67 2.41 21
8 07/30/2018 05:28:04 -67.53, -82.38 131.09 07/30/2018 05:26:54 -67.55, -83.76 131.03 58.42 70
9 08/01/2018 19:13:23 69.43,-111.06 51.52 08/01/2018 19:14:29 69.34,-108.61 51.36 96.33 66
10 08/01/2018 20:03:46 -68.32, 57.77 129.63 08/01/2018 20:04:15 -68.35, 57.77 129.61 3.21 29
11 08/01/2018 20:54:30 68.20,-134.77 50.26 08/01/2018 20:53:43 68.17,-134.79 50.23 3.31 47
12 08/04/2018 11:30:02 68.46, 6.03 51.21 08/04/2018 11:31:13 68.46, 6.15 51.19 4.93 71
13 08/04/2018 12:20:43 -68.31, 173.55 128.94 08/04/2018 12:20:44 -68.30, 173.60 128.95 2.24 1
14 08/04/2018 13:11:24 68.09, -18.86 50.84 08/04/2018 13:10:11 68.12, -18.97 50.89 5.93 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/22/2018
SNOs_Map_NPP_TERRA_20180724.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service