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: 7/23/2019
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 07/25/2019 02:06:00 69.16, 146.10 49.38 07/25/2019 02:07:08 69.06, 147.80 49.23 68.11 68
2 07/25/2019 02:56:28 -68.34, -45.47 131.47 07/25/2019 02:56:49 -68.34, -45.46 131.47 0.38 21
3 07/25/2019 03:47:12 68.20, 122.01 48.40 07/25/2019 03:46:16 68.23, 122.05 48.43 3.30 56
4 07/27/2019 18:22:42 68.43, -97.13 49.21 07/27/2019 18:23:48 68.43, -97.11 49.20 0.97 66
5 07/27/2019 19:13:23 -68.30, 70.36 130.93 07/27/2019 19:13:19 -68.27, 70.33 130.95 3.11 4
6 07/27/2019 20:04:02 67.89,-121.83 48.67 07/27/2019 20:02:50 67.93,-122.42 48.73 25.24 72
7 07/30/2019 10:39:36 68.39, 18.68 49.80 07/30/2019 10:40:16 68.40, 18.74 49.80 2.43 40
8 07/30/2019 11:30:17 -68.26,-173.82 130.34 07/30/2019 11:29:47 -68.24,-173.82 130.35 1.26 30
9 08/02/2019 02:05:59 -69.12, -33.83 128.80 08/02/2019 02:07:08 -69.04, -32.23 128.92 64.19 69
10 08/02/2019 02:56:30 68.30, 134.57 50.37 08/02/2019 02:56:46 68.31, 134.51 50.37 2.62 16
11 08/02/2019 03:47:12 -68.22, -58.00 129.71 08/02/2019 03:46:16 -68.21, -57.98 129.72 1.30 56
12 08/04/2019 18:22:42 -68.45, 82.85 128.80 08/04/2019 18:23:47 -68.44, 82.90 128.81 2.22 65
13 08/04/2019 19:13:25 68.27,-109.62 51.04 08/04/2019 19:13:15 68.26,-109.67 51.03 2.18 10
14 08/04/2019 20:04:01 -67.86, 58.22 129.38 08/04/2019 20:02:49 -67.94, 57.59 129.28 27.94 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/23/2019
SNOs_Map_NPP_TERRA_20190723.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service