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: 7/27/2019
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 68.44, -97.15 49.22 07/27/2019 18:23:48 68.43, -97.12 49.19 2.41 66
2 07/27/2019 19:13:23 -68.32, 70.33 130.91 07/27/2019 19:13:18 -68.32, 70.39 130.90 2.31 5
3 07/27/2019 20:04:02 67.91,-121.85 48.69 07/27/2019 20:02:50 67.93,-122.43 48.72 24.54 72
4 07/30/2019 10:39:36 68.35, 18.74 49.75 07/30/2019 10:40:18 68.36, 18.67 49.75 2.59 42
5 07/30/2019 11:30:18 -68.27,-173.84 130.32 07/30/2019 11:29:48 -68.25,-173.82 130.34 2.74 30
6 08/02/2019 02:06:01 -69.19, -33.93 128.73 08/02/2019 02:07:09 -69.06, -32.21 128.90 69.46 68
7 08/02/2019 02:56:31 68.31, 134.56 50.38 08/02/2019 02:56:47 68.34, 134.53 50.40 2.55 16
8 08/02/2019 03:47:13 -68.23, -58.02 129.70 08/02/2019 03:46:17 -68.23, -57.96 129.70 2.60 56
9 08/04/2019 18:22:41 -68.40, 82.90 128.84 08/04/2019 18:23:48 -68.43, 82.88 128.82 3.20 67
10 08/04/2019 19:13:25 68.28,-109.63 51.04 08/04/2019 19:13:15 68.31,-109.62 51.07 3.49 10
11 08/04/2019 20:04:02 -67.92, 58.14 129.32 08/04/2019 20:02:49 -67.99, 57.63 129.24 22.38 73
12 08/07/2019 10:39:37 -68.42,-161.34 128.10 08/07/2019 10:40:17 -68.40,-161.28 128.12 3.22 40
13 08/07/2019 11:30:20 68.24, 6.19 51.74 08/07/2019 11:29:45 68.22, 6.15 51.72 2.69 35
14 08/10/2019 02:05:59 68.96, 146.39 53.21 08/10/2019 02:07:09 68.85, 147.53 53.08 46.94 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/27/2019
SNOs_Map_NPP_TERRA_20190727.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service