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: 7/20/2018
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 07/22/2018 03:46:46 68.41, 121.90 48.04 07/22/2018 03:47:46 68.41, 121.97 48.04 2.83 60
2 07/22/2018 04:37:27 -68.27, -70.61 132.10 07/22/2018 04:37:17 -68.26, -70.59 132.11 1.92 10
3 07/22/2018 05:28:02 67.65, 97.48 47.28 07/22/2018 05:26:52 67.69, 96.40 47.35 45.76 70
4 07/24/2018 20:03:42 68.34,-122.25 48.52 07/24/2018 20:04:16 68.36,-122.22 48.54 3.07 34
5 07/24/2018 20:54:23 -68.20, 45.25 131.62 07/24/2018 20:53:47 -68.21, 45.23 131.61 1.10 36
6 07/27/2018 11:30:02 -68.88,-174.50 130.34 07/27/2018 11:31:12 -68.77,-173.49 130.48 42.60 70
7 07/27/2018 12:20:37 68.27, -6.40 49.04 07/27/2018 12:20:46 68.26, -6.46 49.03 2.90 9
8 07/27/2018 13:11:19 -68.19, 161.03 131.04 07/27/2018 13:10:16 -68.16, 161.05 131.06 2.58 63
9 07/30/2018 03:46:50 -68.38, -58.08 130.23 07/30/2018 03:47:48 -68.40, -58.07 130.22 1.72 58
10 07/30/2018 04:37:34 68.26, 109.38 49.66 07/30/2018 04:37:15 68.28, 109.44 49.67 2.72 19
11 07/30/2018 05:28:05 -67.58, -82.45 131.04 07/30/2018 05:26:55 -67.62, -83.70 130.96 53.04 70
12 08/01/2018 20:03:47 -68.37, 57.70 129.58 08/01/2018 20:04:18 -68.36, 57.77 129.59 2.93 31
13 08/01/2018 20:54:30 68.20,-134.78 50.26 08/01/2018 20:53:46 68.19,-134.80 50.25 2.01 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/20/2018
SNOs_Map_NPP_TERRA_20180720.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service