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: 2/19/2019
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 02/20/2019 10:39:19 68.37, 18.74 79.27 02/20/2019 10:40:24 68.36, 18.70 79.25 2.15 65
2 02/20/2019 11:30:00 -68.24,-173.78 100.88 02/20/2019 11:29:54 -68.25,-173.79 100.87 0.90 6
3 02/20/2019 12:20:38 67.78, -5.90 78.64 02/20/2019 12:19:26 67.86, -6.61 78.74 31.00 72
4 02/23/2019 02:56:12 68.32, 134.57 78.25 02/23/2019 02:56:53 68.34, 134.56 78.26 2.26 41
5 02/23/2019 03:46:53 -68.20, -57.95 101.90 02/23/2019 03:46:24 -68.19, -57.99 101.91 2.27 29
6 02/25/2019 18:22:35 -69.16, 81.92 101.86 02/25/2019 18:23:44 -69.06, 83.68 102.03 70.75 69
7 02/25/2019 19:13:05 68.28,-109.60 77.22 02/25/2019 19:13:23 68.27,-109.65 77.20 2.41 18
8 02/25/2019 20:03:46 -68.15, 57.89 102.94 02/25/2019 20:02:53 -68.17, 57.87 102.91 2.30 53
9 02/28/2019 10:39:14 -68.37,-161.24 103.69 02/28/2019 10:40:25 -68.37,-161.30 103.71 2.31 71
10 02/28/2019 11:29:58 68.24, 6.23 76.16 02/28/2019 11:29:52 68.24, 6.20 76.17 1.32 6
11 02/28/2019 12:20:37 -68.00, 173.85 104.10 02/28/2019 12:19:24 -68.04, 173.59 104.05 11.73 73
12 03/03/2019 02:56:06 -68.33, -45.41 104.76 03/03/2019 02:56:53 -68.34, -45.45 104.76 2.04 47
13 03/03/2019 03:46:50 68.20, 122.06 75.10 03/03/2019 03:46:20 68.21, 122.04 75.11 1.37 30
14 03/03/2019 04:37:14 -67.15, -69.34 106.00 03/03/2019 04:36:07 -67.17, -71.51 105.91 93.65 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/19/2019
SNOs_Map_NPP_TERRA_20190219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service