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: 12/14/2018
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 12/15/2018 18:22:48 68.46, -97.17 91.64 12/15/2018 18:23:59 68.47, -97.04 91.64 5.51 71
2 12/15/2018 19:13:29 -68.32, 70.33 88.51 12/15/2018 19:13:30 -68.30, 70.39 88.53 3.23 1
3 12/15/2018 20:04:11 68.09,-122.07 91.27 12/15/2018 20:02:59 68.09,-122.22 91.26 6.35 72
4 12/18/2018 10:39:40 68.37, 18.72 91.64 12/18/2018 10:40:30 68.35, 18.69 91.62 2.45 50
5 12/18/2018 11:30:21 -68.22,-173.77 88.51 12/18/2018 11:30:00 -68.24,-173.81 88.49 2.45 21
6 12/18/2018 12:20:49 67.24, -5.26 90.51 12/18/2018 12:19:42 67.29, -7.25 90.56 85.72 67
7 12/21/2018 02:56:34 68.33, 134.54 91.65 12/21/2018 02:57:00 68.34, 134.55 91.66 1.50 26
8 12/21/2018 03:47:15 -68.18, -57.95 88.51 12/21/2018 03:46:31 -68.18, -58.01 88.51 2.30 44
9 12/23/2018 18:22:49 -68.67, 82.56 88.02 12/23/2018 18:24:01 -68.56, 83.05 88.14 23.36 72
10 12/23/2018 19:13:28 68.29,-109.64 91.60 12/23/2018 19:13:31 68.28,-109.64 91.59 1.31 3
11 12/23/2018 20:04:10 -68.19, 57.80 88.51 12/23/2018 20:03:01 -68.18, 57.87 88.52 3.19 69
12 12/26/2018 10:39:38 -68.36,-161.27 88.40 12/26/2018 10:40:34 -68.39,-161.27 88.37 3.57 56
13 12/26/2018 11:30:22 68.26, 6.17 91.50 12/26/2018 11:30:01 68.28, 6.23 91.52 3.35 21
14 12/26/2018 12:20:52 -67.51, 174.42 89.26 12/26/2018 12:19:42 -67.56, 173.04 89.19 58.98 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/14/2018
SNOs_Map_NPP_TERRA_20181214.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/14/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service