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: 6/10/2019
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 06/12/2019 10:39:23 68.39, 18.70 45.14 06/12/2019 10:40:30 68.38, 18.68 45.12 1.53 67
2 06/12/2019 11:30:04 -68.25,-173.80 135.01 06/12/2019 11:30:00 -68.27,-173.81 134.99 2.19 4
3 06/12/2019 12:20:43 67.85, -5.99 44.59 06/12/2019 12:19:31 67.93, -6.57 44.68 25.53 72
4 06/15/2019 02:56:18 68.32, 134.56 44.93 06/15/2019 02:56:59 68.32, 134.49 44.92 2.63 41
5 06/15/2019 03:47:00 -68.24, -58.01 135.16 06/15/2019 03:46:29 -68.22, -57.99 135.19 2.44 31
6 06/17/2019 18:22:41 -69.08, 82.01 134.40 06/17/2019 18:23:50 -68.93, 83.49 134.57 61.09 69
7 06/17/2019 19:13:13 68.31,-109.66 44.82 06/17/2019 19:13:26 68.31,-109.63 44.82 1.24 13
8 06/17/2019 20:03:54 -68.17, 57.84 135.32 06/17/2019 20:02:57 -68.16, 57.82 135.34 1.63 57
9 06/20/2019 10:39:24 -68.37,-161.28 135.16 06/20/2019 10:40:28 -68.37,-161.32 135.17 1.83 64
10 06/20/2019 11:30:08 68.25, 6.19 44.72 06/20/2019 11:29:55 68.25, 6.17 44.71 0.73 13
11 06/20/2019 12:20:43 -67.79, 174.09 135.76 06/20/2019 12:19:31 -67.82, 173.30 135.72 33.20 72
12 06/23/2019 02:56:20 -68.36, -45.50 135.17 06/23/2019 02:56:56 -68.36, -45.45 135.17 1.94 36
13 06/23/2019 03:47:03 68.19, 122.03 44.66 06/23/2019 03:46:24 68.18, 121.97 44.65 2.90 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/10/2019
SNOs_Map_NPP_TERRA_20190610.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service