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: 3/25/2019
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 03/27/2019 02:55:54 68.40, 134.54 65.87 03/27/2019 02:57:04 68.37, 134.57 65.83 2.98 70
2 03/27/2019 03:46:35 -68.27, -57.97 114.28 03/27/2019 03:46:34 -68.26, -57.93 114.30 2.04 1
3 03/27/2019 04:37:16 67.97, 109.71 65.40 03/27/2019 04:36:03 68.04, 109.45 65.48 12.99 73
4 03/29/2019 19:12:46 68.33,-109.59 64.74 03/29/2019 19:13:34 68.32,-109.62 64.73 1.89 48
5 03/29/2019 20:03:27 -68.20, 57.90 115.41 03/29/2019 20:03:04 -68.21, 57.88 115.40 1.36 23
6 03/29/2019 20:53:54 67.15,-133.51 63.51 03/29/2019 20:52:47 67.20,-135.62 63.61 91.10 67
7 04/01/2019 10:39:13 -69.45,-162.64 115.13 04/01/2019 10:40:19 -69.31,-160.14 115.32 99.46 66
8 04/01/2019 11:29:38 68.31, 6.21 63.69 04/01/2019 11:30:02 68.31, 6.25 63.68 1.87 24
9 04/01/2019 12:20:19 -68.18, 173.70 116.47 04/01/2019 12:19:32 -68.20, 173.76 116.44 3.53 47
10 04/04/2019 02:55:50 -68.58, -45.67 117.06 04/04/2019 02:57:02 -68.52, -45.26 117.14 18.29 72
11 04/04/2019 03:46:30 68.25, 122.07 62.59 04/04/2019 03:46:32 68.23, 122.05 62.57 2.04 2
12 04/04/2019 04:37:11 -68.11, -70.43 117.57 04/04/2019 04:36:02 -68.13, -70.44 117.54 2.69 69
13 04/06/2019 19:12:39 -68.36, 70.41 118.31 04/06/2019 19:13:34 -68.33, 70.40 118.34 2.92 55
14 04/06/2019 20:03:22 68.19,-122.07 61.51 04/06/2019 20:03:01 68.21,-122.10 61.53 2.76 21
15 04/06/2019 20:53:52 -67.45, 46.16 119.26 04/06/2019 20:52:42 -67.50, 44.71 119.19 61.95 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/25/2019
SNOs_Map_NPP_TERRA_20190325.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service