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: 4/19/2019
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 04/20/2019 02:55:52 -68.62, -45.72 122.88 04/20/2019 02:57:04 -68.52, -45.28 122.99 21.02 72
2 04/20/2019 03:46:32 68.28, 122.03 56.77 04/20/2019 03:46:34 68.25, 122.05 56.74 2.62 2
3 04/20/2019 04:37:13 -68.14, -70.47 123.39 04/20/2019 04:36:04 -68.13, -70.46 123.39 0.59 69
4 04/22/2019 19:12:44 -68.34, 70.40 124.07 04/22/2019 19:13:37 -68.32, 70.36 124.09 2.61 53
5 04/22/2019 20:03:28 68.22,-122.14 55.80 04/22/2019 20:03:04 68.22,-122.11 55.80 0.96 24
6 04/22/2019 20:53:55 -67.32, 46.29 125.12 04/22/2019 20:52:47 -67.38, 44.55 125.05 74.47 68
7 04/25/2019 10:39:16 69.34, 17.49 56.08 04/25/2019 10:40:22 69.24, 19.75 55.96 89.88 66
8 04/25/2019 11:29:40 -68.29,-173.76 125.01 04/25/2019 11:30:07 -68.29,-173.80 125.01 1.59 27
9 04/25/2019 12:20:24 68.17, -6.30 54.86 04/25/2019 12:19:34 68.19, -6.28 54.88 2.32 50
10 04/28/2019 02:55:55 68.38, 134.56 54.24 04/28/2019 02:57:07 68.36, 134.53 54.22 2.44 72
11 04/28/2019 03:46:36 -68.23, -57.93 125.93 04/28/2019 03:46:37 -68.25, -57.97 125.91 2.80 1
12 04/28/2019 04:37:18 68.01, 109.66 53.84 04/28/2019 04:36:06 68.03, 109.42 53.87 10.46 72
13 04/30/2019 19:12:50 68.33,-109.61 53.36 04/30/2019 19:13:36 68.32,-109.65 53.34 2.42 46
14 04/30/2019 20:03:32 -68.23, 57.83 126.76 04/30/2019 20:03:06 -68.21, 57.86 126.79 2.97 26
15 04/30/2019 20:53:57 67.09,-133.47 52.09 04/30/2019 20:52:50 67.14,-135.71 52.15 96.90 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/19/2019
SNOs_Map_NPP_TERRA_20190419.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service