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: 7/21/2018
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 68.40, 121.95 48.02 2.19 60
2 07/22/2018 04:37:26 -68.22, -70.54 132.15 07/22/2018 04:37:17 -68.24, -70.61 132.13 3.48 9
3 07/22/2018 05:28:02 67.65, 97.47 47.28 07/22/2018 05:26:51 67.73, 96.45 47.39 44.24 71
4 07/24/2018 20:03:42 68.34,-122.24 48.52 07/24/2018 20:04:16 68.33,-122.25 48.51 0.64 34
5 07/24/2018 20:54:23 -68.20, 45.25 131.62 07/24/2018 20:53:46 -68.23, 45.26 131.59 3.28 37
6 07/27/2018 11:30:01 -68.82,-174.43 130.40 07/27/2018 11:31:12 -68.71,-173.55 130.54 37.28 71
7 07/27/2018 12:20:37 68.27, -6.39 49.04 07/27/2018 12:20:45 68.26, -6.45 49.03 2.70 8
8 07/27/2018 13:11:19 -68.18, 161.04 131.05 07/27/2018 13:10:15 -68.16, 161.06 131.06 2.30 64
9 07/30/2018 03:46:50 -68.37, -58.07 130.24 07/30/2018 03:47:47 -68.37, -58.10 130.25 1.35 57
10 07/30/2018 04:37:34 68.25, 109.39 49.65 07/30/2018 04:37:14 68.25, 109.41 49.64 1.05 20
11 07/30/2018 05:28:04 -67.52, -82.37 131.10 07/30/2018 05:26:54 -67.59, -83.72 130.99 57.87 70
12 08/01/2018 19:13:24 69.47,-111.12 51.56 08/01/2018 19:14:30 69.34,-108.62 51.36 98.74 66
13 08/01/2018 20:03:47 -68.36, 57.72 129.59 08/01/2018 20:04:16 -68.35, 57.76 129.60 1.94 29
14 08/01/2018 20:54:30 68.19,-134.76 50.25 08/01/2018 20:53:44 68.17,-134.80 50.24 2.43 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2018
SNOs_Map_NPP_TERRA_20180721.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/21/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service