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: 6/30/2019
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 07/01/2019 02:56:24 68.34, 134.53 45.12 07/01/2019 02:56:52 68.33, 134.54 45.11 0.81 28
2 07/01/2019 03:47:05 -68.21, -57.99 135.01 07/01/2019 03:46:22 -68.23, -57.95 135.00 2.36 43
3 07/03/2019 18:22:39 -68.69, 82.53 134.33 07/03/2019 18:23:51 -68.59, 83.09 134.44 24.54 72
4 07/03/2019 19:13:18 68.28,-109.63 45.26 07/03/2019 19:13:21 68.31,-109.61 45.29 3.20 3
5 07/03/2019 20:03:59 -68.15, 57.85 134.87 07/03/2019 20:02:52 -68.15, 57.83 134.87 0.75 67
6 07/06/2019 10:39:30 -68.41,-161.34 134.36 07/06/2019 10:40:25 -68.40,-161.28 134.39 2.89 55
7 07/06/2019 11:30:13 68.23, 6.21 45.45 07/06/2019 11:29:53 68.23, 6.16 45.45 2.11 20
8 07/06/2019 12:20:43 -67.50, 174.42 135.29 07/06/2019 12:19:33 -67.57, 173.03 135.19 59.60 70
9 07/09/2019 02:56:25 -68.36, -45.50 134.13 07/09/2019 02:56:57 -68.37, -45.45 134.13 2.07 32
10 07/09/2019 03:47:08 68.17, 122.05 45.69 07/09/2019 03:46:25 68.19, 121.98 45.71 3.07 43
11 07/11/2019 18:22:45 68.76, -97.58 46.63 07/11/2019 18:23:56 68.64, -96.89 46.48 31.16 71
12 07/11/2019 19:13:20 -68.30, 70.35 133.85 07/11/2019 19:13:30 -68.32, 70.36 133.83 2.63 10
13 07/11/2019 20:04:04 68.18,-122.19 46.03 07/11/2019 20:02:57 68.20,-122.14 46.06 3.26 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/30/2019
SNOs_Map_NPP_TERRA_20190630.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/30/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service