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: 3/15/2019
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 03/16/2019 10:39:17 -69.05,-162.12 109.23 03/16/2019 10:40:26 -68.93,-160.63 109.40 61.07 69
2 03/16/2019 11:29:49 68.27, 6.22 69.95 03/16/2019 11:30:03 68.25, 6.18 69.93 2.86 14
3 03/16/2019 12:20:30 -68.15, 173.70 110.19 03/16/2019 12:19:33 -68.16, 173.70 110.18 0.65 57
4 03/19/2019 02:55:57 -68.38, -45.45 110.99 03/19/2019 02:57:05 -68.36, -45.45 111.02 2.22 68
5 03/19/2019 03:46:41 68.25, 122.03 68.86 03/19/2019 03:46:32 68.24, 122.04 68.85 1.31 9
6 03/19/2019 04:37:18 -67.91, -70.22 111.51 03/19/2019 04:36:05 -67.98, -70.63 111.42 18.89 73
7 03/21/2019 19:12:50 -68.36, 70.36 112.08 03/21/2019 19:13:35 -68.35, 70.41 112.09 2.01 45
8 03/21/2019 20:03:34 68.23,-122.16 67.78 03/21/2019 20:03:02 68.22,-122.10 67.78 2.74 32
9 03/21/2019 20:53:56 -67.07, 46.56 113.42 03/21/2019 20:52:50 -67.13, 44.29 113.31 98.41 66
10 03/24/2019 10:39:16 69.22, 17.66 67.77 03/24/2019 10:40:23 69.10, 19.59 67.60 77.21 67
11 03/24/2019 11:29:42 -68.28,-173.76 113.22 03/24/2019 11:30:06 -68.29,-173.79 113.22 1.61 24
12 03/24/2019 12:20:26 68.15, -6.29 66.64 03/24/2019 12:19:33 68.15, -6.30 66.65 0.60 53
13 03/27/2019 02:55:54 68.39, 134.55 65.86 03/27/2019 02:57:05 68.42, 134.61 65.88 3.54 71
14 03/27/2019 03:46:35 -68.26, -57.95 114.30 03/27/2019 03:46:36 -68.28, -57.93 114.28 2.44 1
15 03/27/2019 04:37:17 68.03, 109.65 65.46 03/27/2019 04:36:05 68.03, 109.43 65.47 9.06 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/15/2019
SNOs_Map_NPP_TERRA_20190315.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/15/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service