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: 4/5/2019
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 04/06/2019 19:12:38 -68.34, 70.43 118.33 04/06/2019 19:13:35 -68.33, 70.39 118.34 1.67 57
2 04/06/2019 20:03:22 68.21,-122.10 61.53 04/06/2019 20:03:02 68.23,-122.09 61.55 2.02 20
3 04/06/2019 20:53:52 -67.49, 46.11 119.22 04/06/2019 20:52:42 -67.56, 44.77 119.13 57.78 70
4 04/09/2019 11:29:31 -68.33,-173.78 119.35 04/09/2019 11:30:05 -68.31,-173.76 119.37 1.85 34
5 04/09/2019 12:20:14 68.15, -6.24 60.46 04/09/2019 12:19:33 68.15, -6.31 60.46 2.73 41
6 04/12/2019 02:55:49 68.78, 134.09 60.14 04/12/2019 02:57:00 68.69, 134.95 60.03 36.07 71
7 04/12/2019 03:46:23 -68.26, -57.91 120.40 04/12/2019 03:46:36 -68.25, -57.96 120.42 2.35 13
8 04/12/2019 04:37:07 68.14, 109.55 59.47 04/12/2019 04:36:03 68.14, 109.55 59.46 0.90 64
9 04/14/2019 19:12:34 68.35,-109.56 58.73 04/14/2019 19:13:36 68.36,-109.59 58.73 1.58 62
10 04/14/2019 20:03:16 -68.25, 57.88 121.39 04/14/2019 20:03:06 -68.26, 57.92 121.39 1.97 10
11 04/14/2019 20:53:51 67.65,-134.07 58.00 04/14/2019 20:52:40 67.75,-135.02 58.10 41.77 71
12 04/17/2019 11:29:26 68.34, 6.22 57.77 04/17/2019 11:30:06 68.32, 6.24 57.74 3.04 40
13 04/17/2019 12:20:07 -68.19, 173.73 122.40 04/17/2019 12:19:36 -68.22, 173.76 122.38 3.13 31

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/5/2019
SNOs_Map_NPP_TERRA_20190405.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/05/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service