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 68.35,-122.27 48.54 07/24/2018 20:04:15 68.36,-122.21 48.54 2.31 33
2 07/24/2018 20:54:23 -68.22, 45.22 131.60 07/24/2018 20:53:46 -68.20, 45.23 131.62 2.29 37
3 07/27/2018 11:30:01 -68.79,-174.39 130.43 07/27/2018 11:31:12 -68.73,-173.53 130.53 35.21 71
4 07/27/2018 12:20:38 68.29, -6.42 49.06 07/27/2018 12:20:45 68.28, -6.43 49.05 1.64 7
5 07/27/2018 13:11:19 -68.15, 161.08 131.08 07/27/2018 13:10:15 -68.17, 161.08 131.05 2.43 64
6 07/30/2018 03:46:49 -68.35, -58.04 130.26 07/30/2018 03:47:46 -68.36, -58.10 130.26 2.71 57
7 07/30/2018 04:37:33 68.23, 109.43 49.63 07/30/2018 04:37:13 68.24, 109.40 49.64 1.70 20
8 07/30/2018 05:28:03 -67.49, -82.34 131.12 07/30/2018 05:26:53 -67.58, -83.73 131.00 59.61 70
9 08/01/2018 19:13:23 69.45,-111.09 51.54 08/01/2018 19:14:29 69.31,-108.66 51.33 96.67 66
10 08/01/2018 20:03:46 -68.34, 57.74 129.61 08/01/2018 20:04:15 -68.32, 57.73 129.64 2.49 29
11 08/01/2018 20:54:30 68.22,-134.80 50.28 08/01/2018 20:53:42 68.20,-134.77 50.26 3.02 48
12 08/04/2018 11:30:02 68.48, 6.00 51.23 08/04/2018 11:31:12 68.48, 6.18 51.21 7.09 70
13 08/04/2018 12:20:42 -68.28, 173.59 128.98 08/04/2018 12:20:44 -68.27, 173.55 128.99 1.71 2
14 08/04/2018 13:11:24 68.06, -18.82 50.81 08/04/2018 13:10:12 68.09, -19.01 50.85 8.74 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/22/2018
SNOs_Map_NPP_TERRA_20180723.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