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: 11/18/2018
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 11/19/2018 02:56:38 68.36, 134.54 87.69 11/19/2018 02:57:15 68.39, 134.54 87.72 3.21 37
2 11/19/2018 03:47:19 -68.24, -57.98 92.43 11/19/2018 03:46:46 -68.23, -58.02 92.45 2.08 33
3 11/21/2018 18:22:57 -68.96, 82.20 91.13 11/21/2018 18:24:07 -68.86, 83.36 91.22 47.88 70
4 11/21/2018 19:13:32 68.35,-109.68 88.28 11/21/2018 19:13:41 68.35,-109.61 88.28 2.65 9
5 11/21/2018 20:04:13 -68.22, 57.81 91.85 11/21/2018 20:03:12 -68.19, 57.83 91.88 3.20 61
6 11/24/2018 10:39:42 -68.41,-161.30 91.12 11/24/2018 10:40:41 -68.43,-161.28 91.10 1.95 59
7 11/24/2018 11:30:26 68.29, 6.17 88.77 11/24/2018 11:30:09 68.26, 6.16 88.74 3.54 17
8 11/24/2018 12:20:58 -67.67, 174.26 91.84 11/24/2018 12:19:47 -67.70, 173.15 91.82 47.16 71
9 11/27/2018 02:56:36 -68.35, -45.45 90.67 11/27/2018 02:57:09 -68.33, -45.50 90.69 2.99 33
10 11/27/2018 03:47:20 68.22, 122.02 89.22 11/27/2018 03:46:36 68.21, 122.00 89.20 1.83 44
11 11/29/2018 18:22:52 68.59, -97.31 90.04 11/29/2018 18:24:03 68.55, -96.97 90.00 14.50 71
12 11/29/2018 19:13:30 -68.28, 70.40 90.27 11/29/2018 19:13:36 -68.28, 70.33 90.27 2.76 6
13 11/29/2018 20:04:14 68.16,-122.14 89.63 11/29/2018 20:03:03 68.16,-122.17 89.62 1.16 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/18/2018
SNOs_Map_NPP_TERRA_20181118.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service