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: 2/11/2019
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 -68.36,-161.26 97.97 02/12/2019 10:40:26 -68.38,-161.28 97.96 1.52 64
2 02/12/2019 11:30:06 68.23, 6.22 81.89 02/12/2019 11:29:54 68.22, 6.18 81.88 2.03 12
3 02/12/2019 12:20:41 -67.78, 174.10 98.60 02/12/2019 12:19:29 -67.82, 173.35 98.52 31.98 72
4 02/15/2019 02:56:14 -68.31, -45.42 98.93 02/15/2019 02:56:55 -68.31, -45.48 98.93 2.48 41
5 02/15/2019 03:46:58 68.18, 122.06 80.93 02/15/2019 03:46:22 68.21, 122.04 80.96 2.91 36
6 02/17/2019 18:22:36 68.93, -97.78 80.81 02/17/2019 18:23:46 68.85, -96.57 80.67 49.29 70
7 02/17/2019 19:13:08 -68.31, 70.35 99.85 02/17/2019 19:13:24 -68.29, 70.38 99.88 3.01 16
8 02/17/2019 20:03:52 68.19,-122.17 80.01 02/17/2019 20:02:51 68.18,-122.11 80.01 2.78 61
9 02/20/2019 10:39:19 68.35, 18.77 79.25 02/20/2019 10:40:23 68.36, 18.71 79.25 2.77 64
10 02/20/2019 11:30:01 -68.27,-173.81 100.85 02/20/2019 11:29:53 -68.25,-173.78 100.87 1.78 8
11 02/20/2019 12:20:37 67.71, -5.80 78.56 02/20/2019 12:19:26 67.80, -6.67 78.69 37.89 71
12 02/23/2019 02:56:13 68.36, 134.53 78.29 02/23/2019 02:56:51 68.36, 134.60 78.28 2.80 38
13 02/23/2019 03:46:54 -68.22, -57.98 101.87 02/23/2019 03:46:22 -68.20, -57.96 101.89 1.92 32

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/11/2019
SNOs_Map_NPP_TERRA_20190211.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/11/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service