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: 3/17/2019
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 03/19/2019 02:55:58 -68.40, -45.47 110.97 03/19/2019 02:57:05 -68.38, -45.43 111.00 2.27 67
2 03/19/2019 03:46:42 68.26, 122.01 68.88 03/19/2019 03:46:32 68.26, 122.08 68.88 2.60 10
3 03/19/2019 04:37:18 -67.87, -70.17 111.55 03/19/2019 04:36:06 -67.94, -70.67 111.46 22.52 72
4 03/21/2019 19:12:49 -68.32, 70.41 112.12 03/21/2019 19:13:35 -68.30, 70.35 112.14 2.92 46
5 03/21/2019 20:03:33 68.18,-122.11 67.73 03/21/2019 20:03:02 68.18,-122.14 67.73 1.47 31
6 03/21/2019 20:53:56 -67.08, 46.54 113.41 03/21/2019 20:52:49 -67.13, 44.30 113.30 97.26 67
7 03/24/2019 10:39:15 69.17, 17.72 67.72 03/24/2019 10:40:23 69.04, 19.51 67.54 72.55 68
8 03/24/2019 11:29:42 -68.29,-173.78 113.21 03/24/2019 11:30:05 -68.27,-173.80 113.23 2.06 23
9 03/24/2019 12:20:26 68.16, -6.30 66.65 03/24/2019 12:19:32 68.15, -6.30 66.64 1.19 54
10 03/27/2019 02:55:54 68.40, 134.54 65.87 03/27/2019 02:57:04 68.39, 134.59 65.85 2.30 70
11 03/27/2019 03:46:35 -68.27, -57.97 114.29 03/27/2019 03:46:35 -68.24, -57.96 114.31 2.61 0
12 03/27/2019 04:37:16 67.98, 109.70 65.41 03/27/2019 04:36:04 68.01, 109.40 65.45 12.77 72
13 03/29/2019 19:12:46 68.33,-109.59 64.75 03/29/2019 19:13:34 68.36,-109.58 64.77 2.61 48
14 03/29/2019 20:03:27 -68.19, 57.91 115.41 03/29/2019 20:03:05 -68.21, 57.87 115.40 2.34 22
15 03/29/2019 20:53:54 67.15,-133.52 63.52 03/29/2019 20:52:47 67.24,-135.58 63.65 89.71 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/17/2019
SNOs_Map_NPP_TERRA_20190317.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service