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: 6/17/2019
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 06/17/2019 18:22:41 -69.07, 82.02 134.41 06/17/2019 18:23:50 -68.94, 83.50 134.56 60.57 69
2 06/17/2019 19:13:13 68.29,-109.64 44.80 06/17/2019 19:13:26 68.32,-109.61 44.83 3.38 13
3 06/17/2019 20:03:54 -68.16, 57.85 135.33 06/17/2019 20:02:57 -68.16, 57.83 135.33 0.98 57
4 06/20/2019 10:39:24 -68.36,-161.26 135.17 06/20/2019 10:40:28 -68.37,-161.31 135.17 2.54 64
5 06/20/2019 11:30:08 68.23, 6.21 44.70 06/20/2019 11:29:55 68.26, 6.19 44.72 3.00 13
6 06/20/2019 12:20:43 -67.77, 174.10 135.77 06/20/2019 12:19:31 -67.82, 173.31 135.71 33.67 72
7 06/23/2019 02:56:20 -68.35, -45.48 135.18 06/23/2019 02:56:56 -68.36, -45.44 135.17 1.96 36
8 06/23/2019 03:47:04 68.22, 121.99 44.69 06/23/2019 03:46:23 68.24, 122.06 44.71 3.32 41
9 06/25/2019 18:22:39 68.75, -97.56 45.29 06/25/2019 18:23:50 68.61, -96.89 45.13 31.05 71
10 06/25/2019 19:13:14 -68.29, 70.37 135.19 06/25/2019 19:13:24 -68.29, 70.35 135.19 0.61 10
11 06/25/2019 20:03:58 68.16,-122.16 44.69 06/25/2019 20:02:51 68.17,-122.15 44.69 0.60 67
12 06/28/2019 10:39:28 68.37, 18.72 45.00 06/28/2019 10:40:22 68.36, 18.69 44.99 1.23 54
13 06/28/2019 11:30:10 -68.28,-173.85 135.09 06/28/2019 11:29:52 -68.27,-173.79 135.11 3.14 18
14 06/28/2019 12:20:40 67.40, -5.46 44.01 06/28/2019 12:19:31 67.47, -7.07 44.11 69.06 69
15 07/01/2019 02:56:23 68.31, 134.56 45.09 07/01/2019 02:56:50 68.34, 134.54 45.11 2.43 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/17/2019
SNOs_Map_NPP_TERRA_20190617.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service