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: 10/25/2019
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 10/26/2019 10:39:30 -68.41,-161.23 99.27 10/26/2019 10:40:03 -68.43,-161.26 99.25 2.54 33
2 10/26/2019 11:30:14 68.28, 6.25 80.62 10/26/2019 11:29:31 68.26, 6.19 80.59 3.15 43
3 10/29/2019 02:05:48 68.79, 146.71 82.00 10/29/2019 02:06:59 68.72, 147.35 81.94 26.76 71
4 10/29/2019 02:56:24 -68.39, -45.44 98.38 10/29/2019 02:56:33 -68.39, -45.42 98.38 0.88 9
5 10/29/2019 03:47:08 68.26, 122.03 81.51 10/29/2019 03:46:00 68.28, 122.08 81.52 2.71 68
6 10/31/2019 18:22:36 68.46, -97.07 82.55 10/31/2019 18:23:33 68.46, -97.09 82.56 1.02 57
7 10/31/2019 19:13:17 -68.32, 70.42 97.57 10/31/2019 19:13:04 -68.31, 70.36 97.59 2.98 13
8 10/31/2019 20:03:50 67.60,-121.37 81.74 10/31/2019 20:02:40 67.68,-122.73 81.79 58.08 70
9 11/03/2019 10:39:29 68.45, 18.71 83.39 11/03/2019 10:40:02 68.44, 18.75 83.38 2.03 33
10 11/03/2019 11:30:10 -68.31,-173.79 96.74 11/03/2019 11:29:33 -68.28,-173.80 96.76 2.64 37
11 11/06/2019 02:05:48 -69.04, -33.62 95.22 11/06/2019 02:06:58 -68.93, -32.41 95.31 50.00 70
12 11/06/2019 02:56:22 68.38, 134.56 84.15 11/06/2019 02:56:33 68.36, 134.54 84.13 2.91 11
13 11/06/2019 03:47:03 -68.24, -57.94 95.98 11/06/2019 03:46:03 -68.26, -57.94 95.96 2.43 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/25/2019
SNOs_Map_NPP_TERRA_20191025.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service