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: 2/22/2019
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 02/23/2019 02:56:12 68.32, 134.58 78.25 02/23/2019 02:56:53 68.33, 134.55 78.26 2.21 41
2 02/23/2019 03:46:54 -68.25, -58.01 101.85 02/23/2019 03:46:23 -68.23, -57.95 101.87 3.21 31
3 02/25/2019 18:22:36 -69.17, 81.90 101.85 02/25/2019 18:23:44 -69.05, 83.67 102.03 71.26 68
4 02/25/2019 19:13:06 68.29,-109.61 77.22 02/25/2019 19:13:23 68.27,-109.65 77.20 2.79 17
5 02/25/2019 20:03:47 -68.16, 57.87 102.93 02/25/2019 20:02:53 -68.16, 57.86 102.92 0.89 54
6 02/28/2019 10:39:16 -68.37,-161.26 103.69 02/28/2019 10:40:25 -68.37,-161.29 103.70 1.53 69
7 02/28/2019 11:30:00 68.24, 6.22 76.17 02/28/2019 11:29:52 68.26, 6.21 76.18 1.68 8
8 02/28/2019 12:20:38 -67.95, 173.91 104.16 02/28/2019 12:19:25 -67.99, 173.53 104.10 16.46 73
9 03/03/2019 02:56:11 -68.36, -45.47 104.72 03/03/2019 02:56:54 -68.36, -45.43 104.73 1.76 43
10 03/03/2019 03:46:54 68.18, 122.07 75.08 03/03/2019 03:46:22 68.19, 122.01 75.09 2.83 32
11 03/05/2019 18:22:34 69.01, -97.88 74.93 03/05/2019 18:23:43 68.95, -96.46 74.82 57.05 69
12 03/05/2019 19:13:04 -68.28, 70.40 105.84 03/05/2019 19:13:23 -68.29, 70.37 105.83 2.32 19
13 03/05/2019 20:03:48 68.15,-122.13 74.01 03/05/2019 20:02:50 68.17,-122.13 74.04 2.19 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/22/2019
SNOs_Map_NPP_TERRA_20190222.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/22/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service