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: 8/16/2019
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 08/18/2019 02:05:58 -68.96, -33.61 124.34 08/18/2019 02:07:08 -68.89, -32.43 124.45 48.12 70
2 08/18/2019 02:56:33 68.36, 134.50 55.05 08/18/2019 02:56:43 68.34, 134.54 55.03 2.92 10
3 08/18/2019 03:47:14 -68.22, -58.00 125.08 08/18/2019 03:46:13 -68.22, -57.96 125.08 1.62 61
4 08/20/2019 18:22:43 -68.40, 82.91 124.05 08/20/2019 18:23:45 -68.41, 82.87 124.05 2.18 62
5 08/20/2019 19:13:27 68.28,-109.62 55.84 08/20/2019 19:13:12 68.30,-109.62 55.86 2.34 15
6 08/20/2019 20:04:00 -67.71, 58.41 124.73 08/20/2019 20:02:49 -67.80, 57.43 124.62 42.80 71
7 08/23/2019 10:39:38 -68.38,-161.28 123.18 08/23/2019 10:40:14 -68.38,-161.29 123.19 0.60 36
8 08/23/2019 11:30:22 68.26, 6.18 56.71 08/23/2019 11:29:41 68.27, 6.22 56.72 1.78 41
9 08/26/2019 02:05:58 68.83, 146.58 58.18 08/26/2019 02:07:08 68.73, 147.38 58.07 34.08 70
10 08/26/2019 02:56:33 -68.35, -45.48 122.29 08/26/2019 02:56:43 -68.34, -45.46 122.31 1.36 10
11 08/26/2019 03:47:16 68.19, 122.05 57.55 08/26/2019 03:46:11 68.17, 121.99 57.54 2.97 65
12 08/28/2019 18:22:45 68.43, -97.12 58.71 08/28/2019 18:23:41 68.41, -97.13 58.68 2.82 56
13 08/28/2019 19:13:26 -68.28, 70.40 121.44 08/28/2019 19:13:11 -68.30, 70.38 121.41 3.09 15
14 08/28/2019 20:03:58 67.52,-121.36 57.81 08/28/2019 20:02:49 67.57,-122.83 57.88 62.85 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/16/2019
SNOs_Map_NPP_TERRA_20190816.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service