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: 6/19/2019
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 06/20/2019 10:39:25 -68.41,-161.32 135.13 06/20/2019 10:40:28 -68.38,-161.30 135.16 2.37 63
2 06/20/2019 11:30:09 68.27, 6.16 44.74 06/20/2019 11:29:55 68.27, 6.21 44.73 2.02 14
3 06/20/2019 12:20:43 -67.76, 174.12 135.78 06/20/2019 12:19:31 -67.83, 173.32 135.70 34.07 72
4 06/23/2019 02:56:19 -68.34, -45.47 135.19 06/23/2019 02:56:56 -68.33, -45.49 135.21 2.01 37
5 06/23/2019 03:47:03 68.21, 122.01 44.68 06/23/2019 03:46:23 68.21, 122.01 44.68 0.48 40
6 06/25/2019 18:22:39 68.74, -97.54 45.27 06/25/2019 18:23:50 68.64, -96.85 45.16 29.60 71
7 06/25/2019 19:13:14 -68.28, 70.38 135.20 06/25/2019 19:13:25 -68.26, 70.32 135.22 3.07 11
8 06/25/2019 20:03:58 68.15,-122.15 44.67 06/25/2019 20:02:52 68.14,-122.18 44.67 1.75 66
9 06/28/2019 10:39:28 68.36, 18.73 44.98 06/28/2019 10:40:23 68.35, 18.67 44.97 2.50 55
10 06/28/2019 11:30:10 -68.27,-173.84 135.10 06/28/2019 11:29:53 -68.26,-173.81 135.12 2.13 17
11 06/28/2019 12:20:41 67.44, -5.50 44.05 06/28/2019 12:19:32 67.46, -7.08 44.10 67.31 69
12 07/01/2019 02:56:24 68.35, 134.51 45.13 07/01/2019 02:56:51 68.34, 134.54 45.11 2.15 27
13 07/01/2019 03:47:05 -68.21, -57.99 135.01 07/01/2019 03:46:22 -68.19, -58.00 135.03 2.26 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/19/2019
SNOs_Map_NPP_TERRA_20190619.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service