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: 1/18/2018
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 01/19/2018 02:56:13 68.33, 134.59 88.62 01/19/2018 02:56:57 68.33, 134.57 88.62 1.05 44
2 01/19/2018 03:46:55 -68.25, -57.99 91.47 01/19/2018 03:46:27 -68.23, -57.92 91.49 3.51 28
3 01/21/2018 18:22:38 -69.28, 81.77 90.96 01/21/2018 18:23:45 -69.22, 83.91 91.09 84.67 67
4 01/21/2018 19:13:06 68.30,-109.60 88.02 01/21/2018 19:13:26 68.33,-109.56 88.04 3.19 20
5 01/21/2018 20:03:47 -68.17, 57.89 92.13 01/21/2018 20:02:57 -68.17, 57.88 92.13 0.20 50
6 01/24/2018 10:39:15 -68.46,-161.33 92.44 01/24/2018 10:40:27 -68.44,-161.19 92.48 6.08 72
7 01/24/2018 11:29:58 68.28, 6.21 87.37 01/24/2018 11:29:55 68.26, 6.24 87.35 2.39 3
8 01/24/2018 12:20:39 -68.14, 173.70 92.78 01/24/2018 12:19:25 -68.16, 173.76 92.76 3.20 74
9 01/27/2018 02:56:07 -68.38, -45.45 93.19 01/27/2018 02:56:57 -68.37, -45.39 93.20 2.70 50
10 01/27/2018 03:46:50 68.20, 122.08 86.63 01/27/2018 03:46:25 68.19, 122.04 86.62 1.86 25
11 01/27/2018 04:37:17 -67.31, -69.51 94.31 01/27/2018 04:36:08 -67.37, -71.27 94.19 75.83 69
12 01/29/2018 18:22:35 69.35, -98.32 87.14 01/29/2018 18:23:42 69.23, -96.06 86.95 89.72 67
13 01/29/2018 19:12:59 -68.30, 70.42 93.97 01/29/2018 19:13:27 -68.30, 70.41 93.98 0.62 28
14 01/29/2018 20:03:43 68.18,-122.12 85.90 01/29/2018 20:02:54 68.18,-122.09 85.90 0.92 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/18/2018
SNOs_Map_NPP_TERRA_20180118.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service