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: 6/23/2018
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 06/25/2018 11:30:01 -68.96,-174.63 134.51 06/25/2018 11:31:11 -68.80,-173.44 134.69 51.13 70
2 06/25/2018 12:20:35 68.28, -6.43 44.81 06/25/2018 12:20:45 68.29, -6.41 44.81 1.17 10
3 06/25/2018 13:11:16 -68.16, 161.04 135.32 06/25/2018 13:10:16 -68.13, 161.04 135.35 2.88 60
4 06/28/2018 03:46:45 -68.38, -58.09 135.00 06/28/2018 03:47:48 -68.40, -58.06 134.99 2.27 63
5 06/28/2018 04:37:29 68.24, 109.39 44.87 06/28/2018 04:37:16 68.22, 109.38 44.84 2.67 13
6 06/28/2018 05:28:03 -67.74, -82.66 135.65 06/28/2018 05:26:52 -67.79, -83.49 135.58 35.49 71
7 06/30/2018 20:03:39 -68.34, 57.74 134.89 06/30/2018 20:04:19 -68.33, 57.74 134.90 0.97 40
8 06/30/2018 20:54:23 68.21,-134.78 44.98 06/30/2018 20:53:46 68.21,-134.76 44.98 0.92 37
9 07/03/2018 11:30:02 68.97, 5.36 45.96 07/03/2018 11:31:11 68.86, 6.63 45.82 52.52 69
10 07/03/2018 12:20:33 -68.30, 173.57 134.73 07/03/2018 12:20:49 -68.32, 173.60 134.71 2.85 16
11 07/03/2018 13:11:17 68.17, -18.96 45.14 07/03/2018 13:10:17 68.14, -18.97 45.12 3.29 60
12 07/06/2018 03:46:45 68.40, 121.89 45.62 07/06/2018 03:47:48 68.40, 121.95 45.62 2.19 63
13 07/06/2018 04:37:26 -68.26, -70.61 134.52 07/06/2018 04:37:19 -68.26, -70.60 134.53 0.63 7
14 07/06/2018 05:28:03 67.76, 97.33 44.97 07/06/2018 05:26:52 67.79, 96.51 45.03 34.93 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/23/2018
SNOs_Map_NPP_TERRA_20180623.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/23/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service