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: 7/25/2019
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 07/27/2019 18:22:42 68.42, -97.12 49.20 07/27/2019 18:23:49 68.40, -97.15 49.17 2.66 67
2 07/27/2019 19:13:23 -68.29, 70.36 130.93 07/27/2019 19:13:19 -68.29, 70.36 130.93 0.37 4
3 07/27/2019 20:04:02 67.89,-121.82 48.66 07/27/2019 20:02:50 67.95,-122.40 48.75 25.36 72
4 07/30/2019 10:39:36 68.38, 18.70 49.79 07/30/2019 10:40:17 68.39, 18.72 49.79 1.42 41
5 07/30/2019 11:30:17 -68.25,-173.82 130.34 07/30/2019 11:29:48 -68.24,-173.83 130.36 1.94 29
6 08/02/2019 02:06:00 -69.17, -33.90 128.75 08/02/2019 02:07:09 -69.06, -32.22 128.91 67.83 69
7 08/02/2019 02:56:31 68.35, 134.51 50.42 08/02/2019 02:56:47 68.33, 134.52 50.39 2.33 16
8 08/02/2019 03:47:12 -68.21, -57.99 129.72 08/02/2019 03:46:17 -68.23, -57.96 129.70 2.31 55
9 08/04/2019 18:22:42 -68.44, 82.86 128.81 08/04/2019 18:23:49 -68.44, 82.89 128.81 1.32 67
10 08/04/2019 19:13:26 68.32,-109.68 51.08 08/04/2019 19:13:16 68.32,-109.61 51.08 2.68 10
11 08/04/2019 20:04:03 -67.96, 58.09 129.28 08/04/2019 20:02:50 -68.00, 57.64 129.23 19.28 73
12 08/07/2019 10:39:37 -68.40,-161.33 128.11 08/07/2019 10:40:19 -68.38,-161.31 128.15 3.24 42
13 08/07/2019 11:30:20 68.23, 6.20 51.72 08/07/2019 11:29:46 68.25, 6.19 51.75 2.38 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/25/2019
SNOs_Map_NPP_TERRA_20190726.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service