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: 4/24/2019
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 04/25/2019 10:39:16 69.32, 17.52 56.06 04/25/2019 10:40:23 69.21, 19.71 55.92 87.45 67
2 04/25/2019 11:29:41 -68.32,-173.81 124.97 04/25/2019 11:30:07 -68.31,-173.78 124.99 2.27 26
3 04/25/2019 12:20:24 68.15, -6.28 54.84 04/25/2019 12:19:35 68.15, -6.32 54.85 1.71 49
4 04/28/2019 02:55:55 68.42, 134.51 54.28 04/28/2019 02:57:06 68.38, 134.55 54.24 4.30 71
5 04/28/2019 03:46:36 -68.27, -57.98 125.89 04/28/2019 03:46:36 -68.27, -57.95 125.89 1.34 0
6 04/28/2019 04:37:18 68.04, 109.62 53.87 04/28/2019 04:36:05 68.05, 109.44 53.88 7.42 73
7 04/30/2019 19:12:50 68.32,-109.59 53.34 04/30/2019 19:13:36 68.33,-109.63 53.35 2.10 46
8 04/30/2019 20:03:32 -68.22, 57.85 126.77 04/30/2019 20:03:06 -68.21, 57.87 126.78 0.86 26
9 04/30/2019 20:53:57 67.07,-133.45 52.07 04/30/2019 20:52:51 67.10,-135.76 52.10 99.95 66
10 05/03/2019 10:39:18 -69.24,-162.37 126.52 05/03/2019 10:40:26 -69.09,-160.45 126.68 77.88 68
11 05/03/2019 11:29:46 68.27, 6.23 52.49 05/03/2019 11:30:06 68.26, 6.17 52.48 2.94 20
12 05/03/2019 12:20:28 -68.17, 173.68 127.62 05/03/2019 12:19:36 -68.15, 173.67 127.64 2.02 52
13 05/06/2019 02:55:59 -68.39, -45.46 128.16 05/06/2019 02:57:07 -68.41, -45.42 128.14 3.06 68
14 05/06/2019 03:46:42 68.23, 122.05 51.67 05/06/2019 03:46:35 68.24, 122.02 51.69 1.91 7
15 05/06/2019 04:37:20 -67.91, -70.23 128.66 05/06/2019 04:36:08 -67.97, -70.66 128.60 19.32 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2019
SNOs_Map_NPP_TERRA_20190424.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/24/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service