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: 8/20/2019
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 08/20/2019 18:22:43 -68.42, 82.89 124.03 08/20/2019 18:23:44 -68.44, 82.90 124.02 2.15 61
2 08/20/2019 19:13:27 68.29,-109.64 55.86 08/20/2019 19:13:12 68.28,-109.65 55.84 1.38 15
3 08/20/2019 20:04:00 -67.73, 58.39 124.72 08/20/2019 20:02:49 -67.77, 57.39 124.65 42.53 71
4 08/23/2019 10:39:38 -68.40,-161.30 123.16 08/23/2019 10:40:13 -68.40,-161.27 123.16 1.60 35
5 08/23/2019 11:30:21 68.22, 6.23 56.67 08/23/2019 11:29:41 68.24, 6.18 56.70 3.18 40
6 08/26/2019 02:05:57 68.79, 146.63 58.14 08/26/2019 02:07:08 68.70, 147.34 58.04 30.12 71
7 08/26/2019 02:56:33 -68.37, -45.50 122.27 08/26/2019 02:56:42 -68.36, -45.44 122.29 2.82 9
8 08/26/2019 03:47:16 68.20, 122.03 57.57 08/26/2019 03:46:10 68.20, 122.01 57.57 0.85 66
9 08/28/2019 18:22:46 68.45, -97.14 58.73 08/28/2019 18:23:41 68.42, -97.11 58.70 2.91 55
10 08/28/2019 19:13:27 -68.30, 70.37 121.41 08/28/2019 19:13:11 -68.32, 70.39 121.40 2.14 16
11 08/28/2019 20:03:59 67.54,-121.38 57.83 08/28/2019 20:02:49 67.59,-122.81 57.90 61.31 70
12 08/31/2019 10:39:39 68.38, 18.72 59.62 08/31/2019 10:40:09 68.37, 18.70 59.61 1.06 30
13 08/31/2019 11:30:21 -68.28,-173.84 120.48 08/31/2019 11:29:39 -68.27,-173.79 120.49 2.46 42
14 09/03/2019 02:05:55 -68.74, -33.30 119.06 09/03/2019 02:07:07 -68.66, -32.71 119.16 25.34 72
15 09/03/2019 02:56:33 68.32, 134.57 60.52 09/03/2019 02:56:38 68.32, 134.52 60.52 2.31 5

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/20/2019
SNOs_Map_NPP_TERRA_20190820.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/20/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service