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: 2/3/2019
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 02/04/2019 10:39:26 68.36, 18.74 84.56 02/04/2019 10:40:24 68.37, 18.73 84.56 1.79 58
2 02/04/2019 11:30:07 -68.22,-173.77 95.60 02/04/2019 11:29:55 -68.21,-173.83 95.61 2.65 12
3 02/04/2019 12:20:41 67.55, -5.64 83.71 02/04/2019 12:19:31 67.60, -6.90 83.79 53.65 70
4 02/07/2019 02:56:19 68.30, 134.58 83.68 02/07/2019 02:56:56 68.31, 134.52 83.69 2.68 37
5 02/07/2019 03:47:01 -68.22, -57.99 96.42 02/07/2019 03:46:26 -68.21, -57.96 96.43 1.65 35
6 02/09/2019 18:22:42 -69.11, 81.96 96.31 02/09/2019 18:23:51 -68.97, 83.57 96.51 65.78 69
7 02/09/2019 19:13:13 68.30,-109.64 82.83 02/09/2019 19:13:28 68.30,-109.62 82.83 0.95 15
8 02/09/2019 20:03:54 -68.16, 57.86 97.33 02/09/2019 20:02:59 -68.15, 57.83 97.33 1.57 55
9 02/12/2019 10:39:23 -68.42,-161.33 97.91 02/12/2019 10:40:34 -68.42,-161.26 97.93 2.72 71
10 02/12/2019 11:30:06 68.24, 6.21 81.90 02/12/2019 11:30:02 68.24, 6.17 81.90 1.35 4
11 02/12/2019 12:20:46 -68.05, 173.77 98.32 02/12/2019 12:19:33 -68.09, 173.63 98.26 7.48 73
12 02/15/2019 02:56:15 -68.36, -45.48 98.87 02/15/2019 02:57:08 -68.36, -45.47 98.88 0.66 53
13 02/15/2019 03:46:59 68.24, 121.98 81.00 02/15/2019 03:46:35 68.24, 122.03 80.99 2.17 24
14 02/15/2019 04:37:27 -67.40, -69.67 99.89 02/15/2019 04:36:18 -67.43, -71.28 99.81 68.78 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/3/2019
SNOs_Map_NPP_TERRA_20190203.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/03/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service