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: 5/15/2019
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 05/16/2019 19:12:59 68.31,-109.61 49.02 05/16/2019 19:13:36 68.32,-109.64 49.04 2.19 37
2 05/16/2019 20:03:41 -68.21, 57.82 131.08 05/16/2019 20:03:06 -68.21, 57.86 131.09 1.49 35
3 05/19/2019 10:39:21 -68.92,-161.97 130.94 05/19/2019 10:40:31 -68.81,-160.81 131.07 48.35 70
4 05/19/2019 11:29:55 68.27, 6.20 48.40 05/19/2019 11:30:06 68.25, 6.15 48.37 2.92 11
5 05/19/2019 12:20:36 -68.13, 173.70 131.76 05/19/2019 12:19:36 -68.14, 173.66 131.74 2.79 60
6 05/22/2019 02:56:07 -68.36, -45.45 132.07 05/22/2019 02:57:08 -68.35, -45.50 132.08 1.87 61
7 05/22/2019 03:46:51 68.24, 122.00 47.81 05/22/2019 03:46:35 68.24, 122.01 47.81 0.76 16
8 05/22/2019 04:37:24 -67.66, -69.96 132.78 05/22/2019 04:36:13 -67.69, -71.00 132.75 44.02 71
9 05/24/2019 19:13:02 -68.33, 70.35 132.61 05/24/2019 19:13:36 -68.34, 70.37 132.60 1.23 34
10 05/24/2019 20:03:46 68.21,-122.19 47.27 05/24/2019 20:03:03 68.22,-122.13 47.27 2.68 43
11 05/27/2019 10:39:21 68.67, 18.36 47.27 05/27/2019 10:40:32 68.58, 18.91 47.18 24.38 71
12 05/27/2019 11:29:58 -68.30,-173.84 133.11 05/27/2019 11:30:05 -68.32,-173.78 133.09 3.58 7
13 05/27/2019 12:20:41 68.13, -6.32 46.72 05/27/2019 12:19:33 68.14, -6.34 46.73 1.20 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/15/2019
SNOs_Map_NPP_TERRA_20190515.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/15/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service