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: 8/4/2019
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 -68.36,-161.27 128.16 08/07/2019 10:40:18 -68.38,-161.30 128.14 2.66 42
2 08/07/2019 11:30:20 68.23, 6.21 51.72 08/07/2019 11:29:46 68.22, 6.15 51.71 2.79 34
3 08/10/2019 02:05:59 69.00, 146.33 53.26 08/10/2019 02:07:08 68.92, 147.61 53.14 51.93 69
4 08/10/2019 02:56:30 -68.33, -45.45 127.43 08/10/2019 02:56:47 -68.31, -45.51 127.45 3.28 17
5 08/10/2019 03:47:14 68.20, 122.02 52.45 08/10/2019 03:46:14 68.19, 122.00 52.45 0.94 60
6 08/12/2019 18:22:44 68.44, -97.14 53.47 08/12/2019 18:23:45 68.44, -97.10 53.47 2.01 61
7 08/12/2019 19:13:25 -68.30, 70.36 126.67 08/12/2019 19:13:16 -68.28, 70.34 126.69 1.64 9
8 08/12/2019 20:04:01 67.74,-121.64 52.78 08/12/2019 20:02:50 67.78,-122.60 52.83 40.92 71
9 08/15/2019 10:39:38 68.36, 18.73 54.21 08/15/2019 10:40:15 68.36, 18.68 54.20 2.08 37
10 08/15/2019 11:30:20 -68.27,-173.83 125.88 08/15/2019 11:29:45 -68.25,-173.81 125.89 1.56 35
11 08/18/2019 02:05:59 -68.98, -33.64 124.32 08/18/2019 02:07:09 -68.89, -32.43 124.45 49.34 70
12 08/18/2019 02:56:33 68.34, 134.53 55.03 08/18/2019 02:56:44 68.33, 134.52 55.01 1.35 11
13 08/18/2019 03:47:15 -68.24, -58.02 125.06 08/18/2019 03:46:14 -68.22, -57.97 125.08 3.02 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/4/2019
SNOs_Map_NPP_TERRA_20190805.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/04/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service