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: 6/16/2019
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 06/17/2019 18:22:41 -69.05, 82.04 134.42 06/17/2019 18:23:50 -68.95, 83.52 134.55 59.84 69
2 06/17/2019 19:13:13 68.28,-109.62 44.79 06/17/2019 19:13:27 68.28,-109.66 44.79 1.70 14
3 06/17/2019 20:03:55 -68.20, 57.80 135.29 06/17/2019 20:02:57 -68.18, 57.85 135.32 3.31 58
4 06/20/2019 10:39:25 -68.40,-161.31 135.14 06/20/2019 10:40:28 -68.39,-161.29 135.15 1.10 63
5 06/20/2019 11:30:09 68.27, 6.16 44.74 06/20/2019 11:29:55 68.28, 6.21 44.74 2.23 14
6 06/20/2019 12:20:43 -67.76, 174.12 135.79 06/20/2019 12:19:31 -67.84, 173.33 135.70 34.32 72
7 06/23/2019 02:56:19 -68.33, -45.46 135.20 06/23/2019 02:56:56 -68.33, -45.48 135.20 0.96 37
8 06/23/2019 03:47:03 68.21, 122.01 44.68 06/23/2019 03:46:23 68.21, 122.02 44.68 0.40 40
9 06/25/2019 18:22:39 68.73, -97.53 45.27 06/25/2019 18:23:50 68.64, -96.85 45.16 29.31 71
10 06/25/2019 19:13:14 -68.27, 70.39 135.21 06/25/2019 19:13:25 -68.27, 70.32 135.21 2.77 11
11 06/25/2019 20:03:58 68.15,-122.14 44.67 06/25/2019 20:02:52 68.14,-122.18 44.67 1.67 66
12 06/28/2019 10:39:29 68.40, 18.67 45.03 06/28/2019 10:40:22 68.40, 18.74 45.02 2.83 53
13 06/28/2019 11:30:10 -68.26,-173.83 135.11 06/28/2019 11:29:53 -68.26,-173.81 135.12 1.26 17
14 06/28/2019 12:20:41 67.44, -5.50 44.05 06/28/2019 12:19:32 67.45, -7.08 44.10 67.68 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/16/2019
SNOs_Map_NPP_TERRA_20190616.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service