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: 7/13/2019
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 07/14/2019 10:39:32 68.35, 18.74 46.59 07/14/2019 10:40:18 68.34, 18.67 46.57 2.92 46
2 07/14/2019 11:30:13 -68.22,-173.78 133.54 07/14/2019 11:29:48 -68.24,-173.82 133.53 2.14 25
3 07/14/2019 12:20:39 67.11, -5.12 45.33 07/14/2019 12:19:32 67.17, -7.39 45.44 98.49 67
4 07/17/2019 02:05:59 -69.29, -34.07 132.02 07/17/2019 02:07:06 -69.20, -32.02 132.17 81.53 67
5 07/17/2019 02:56:27 68.30, 134.57 46.97 07/17/2019 02:56:47 68.30, 134.51 46.96 2.55 20
6 07/17/2019 03:47:08 -68.18, -57.95 133.16 07/17/2019 03:46:17 -68.20, -57.98 133.13 3.20 51
7 07/19/2019 18:22:39 -68.45, 82.85 132.43 07/19/2019 18:23:48 -68.44, 82.91 132.44 2.51 69
8 07/19/2019 19:13:22 68.26,-109.61 47.39 07/19/2019 19:13:16 68.27,-109.66 47.40 2.22 6
9 07/19/2019 20:04:01 -68.02, 58.02 132.85 07/19/2019 20:02:48 -68.06, 57.73 132.80 12.72 73
10 07/22/2019 10:39:33 -68.35,-161.25 132.02 07/22/2019 10:40:18 -68.35,-161.32 132.01 2.85 45
11 07/22/2019 11:30:17 68.22, 6.22 47.86 07/22/2019 11:29:45 68.23, 6.18 47.88 2.14 32
12 07/25/2019 02:05:57 69.03, 146.28 49.24 07/25/2019 02:07:07 68.92, 147.63 49.09 55.06 70
13 07/25/2019 02:56:27 -68.30, -45.42 131.51 07/25/2019 02:56:46 -68.32, -45.47 131.49 3.29 19
14 07/25/2019 03:47:11 68.18, 122.04 48.37 07/25/2019 03:46:13 68.20, 122.02 48.40 2.56 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/13/2019
SNOs_Map_NPP_TERRA_20190713.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service