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: 5/7/2019
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 05/08/2019 19:12:54 -68.34, 70.36 128.94 05/08/2019 19:13:38 -68.32, 70.36 128.96 2.09 44
2 05/08/2019 20:03:38 68.22,-122.18 50.93 05/08/2019 20:03:05 68.22,-122.12 50.92 2.32 33
3 05/11/2019 10:39:20 69.04, 17.88 51.07 05/11/2019 10:40:29 68.88, 19.29 50.90 58.99 69
4 05/11/2019 11:29:50 -68.30,-173.82 129.69 05/11/2019 11:30:08 -68.27,-173.83 129.73 3.39 18
5 05/11/2019 12:20:34 68.18, -6.36 50.18 05/11/2019 12:19:35 68.16, -6.31 50.16 3.16 59
6 05/14/2019 02:56:04 68.36, 134.56 49.71 05/14/2019 02:57:07 68.37, 134.54 49.72 1.76 63
7 05/14/2019 03:46:46 -68.26, -58.00 130.40 05/14/2019 03:46:37 -68.27, -57.95 130.40 2.05 9
8 05/14/2019 04:37:22 67.71, 109.99 49.04 05/14/2019 04:36:11 67.76, 109.10 49.09 37.89 71
9 05/16/2019 19:12:59 68.32,-109.63 49.04 05/16/2019 19:13:36 68.30,-109.66 49.02 2.43 37
10 05/16/2019 20:03:41 -68.22, 57.81 131.07 05/16/2019 20:03:06 -68.20, 57.85 131.10 2.68 35
11 05/19/2019 10:39:21 -68.93,-161.98 130.93 05/19/2019 10:40:31 -68.79,-160.83 131.08 48.80 70
12 05/19/2019 11:29:55 68.29, 6.18 48.41 05/19/2019 11:30:05 68.28, 6.20 48.41 0.86 10
13 05/19/2019 12:20:36 -68.13, 173.69 131.76 05/19/2019 12:19:36 -68.13, 173.64 131.76 2.08 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/7/2019
SNOs_Map_NPP_TERRA_20190507.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/07/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service