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: 2/10/2019
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 02/12/2019 10:39:22 -68.38,-161.28 97.95 02/12/2019 10:40:25 -68.40,-161.25 97.95 2.42 63
2 02/12/2019 11:30:06 68.25, 6.20 81.90 02/12/2019 11:29:53 68.24, 6.21 81.89 0.99 13
3 02/12/2019 12:20:40 -67.74, 174.15 98.64 02/12/2019 12:19:29 -67.79, 173.31 98.56 35.78 71
4 02/15/2019 02:56:15 -68.32, -45.43 98.91 02/15/2019 02:56:54 -68.35, -45.42 98.89 3.13 39
5 02/15/2019 03:46:59 68.19, 122.04 80.95 02/15/2019 03:46:22 68.19, 122.03 80.94 0.90 37
6 02/17/2019 18:22:35 68.89, -97.73 80.77 02/17/2019 18:23:45 68.78, -96.65 80.61 45.22 70
7 02/17/2019 19:13:07 -68.27, 70.41 99.89 02/17/2019 19:13:22 -68.28, 70.38 99.89 1.35 15
8 02/17/2019 20:03:51 68.15,-122.12 79.97 02/17/2019 20:02:49 68.17,-122.11 79.99 2.14 62
9 02/20/2019 10:39:19 68.36, 18.75 79.26 02/20/2019 10:40:19 68.39, 18.77 79.28 3.34 60
10 02/20/2019 11:30:00 -68.23,-173.76 100.89 02/20/2019 11:29:50 -68.23,-173.79 100.89 1.56 10
11 02/20/2019 12:20:35 67.61, -5.69 78.46 02/20/2019 12:19:25 67.67, -6.81 78.56 47.57 70
12 02/23/2019 02:56:12 68.32, 134.58 78.25 02/23/2019 02:56:47 68.31, 134.56 78.23 1.15 35
13 02/23/2019 03:46:53 -68.18, -57.93 101.91 02/23/2019 03:46:17 -68.21, -57.93 101.88 3.34 36

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/10/2019
SNOs_Map_NPP_TERRA_20190210.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service