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: 8/6/2019
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 08/07/2019 10:39:36 -68.40,-161.31 128.12 08/07/2019 10:40:17 -68.40,-161.28 128.13 1.46 41
2 08/07/2019 11:30:19 68.21, 6.23 51.70 08/07/2019 11:29:45 68.23, 6.17 51.73 3.54 34
3 08/10/2019 02:05:59 68.98, 146.36 53.24 08/10/2019 02:07:09 68.88, 147.56 53.10 49.42 70
4 08/10/2019 02:56:30 -68.31, -45.43 127.45 08/10/2019 02:56:47 -68.32, -45.49 127.44 2.90 17
5 08/10/2019 03:47:14 68.18, 122.04 52.43 08/10/2019 03:46:14 68.21, 122.02 52.47 3.33 60
6 08/12/2019 18:22:44 68.42, -97.11 53.45 08/12/2019 18:23:46 68.40, -97.15 53.43 1.99 62
7 08/12/2019 19:13:25 -68.28, 70.39 126.69 08/12/2019 19:13:16 -68.30, 70.36 126.67 2.48 9
8 08/12/2019 20:04:01 67.72,-121.61 52.75 08/12/2019 20:02:50 67.79,-122.59 52.85 41.89 71
9 08/15/2019 10:39:39 68.39, 18.69 54.24 08/15/2019 10:40:15 68.37, 18.70 54.22 1.93 36
10 08/15/2019 11:30:20 -68.25,-173.80 125.90 08/15/2019 11:29:45 -68.27,-173.79 125.88 2.56 35
11 08/18/2019 02:05:58 -68.96, -33.60 124.35 08/18/2019 02:07:08 -68.90, -32.42 124.43 47.92 70
12 08/18/2019 02:56:32 68.31, 134.57 55.00 08/18/2019 02:56:43 68.34, 134.54 55.03 3.31 11
13 08/18/2019 03:47:14 -68.22, -57.99 125.09 08/18/2019 03:46:13 -68.24, -57.95 125.07 2.81 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/6/2019
SNOs_Map_NPP_TERRA_20190807.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/06/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service