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: 12/7/2018
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 12/10/2018 10:39:41 -68.39,-161.29 88.81 12/10/2018 10:40:33 -68.39,-161.27 88.80 1.33 52
2 12/10/2018 11:30:25 68.26, 6.17 91.08 12/10/2018 11:30:01 68.24, 6.20 91.05 2.33 24
3 12/10/2018 12:20:52 -67.37, 174.59 89.82 12/10/2018 12:19:43 -67.46, 172.93 89.74 71.89 69
4 12/13/2018 02:56:34 -68.33, -45.46 88.65 12/13/2018 02:57:10 -68.35, -45.47 88.64 1.80 36
5 12/13/2018 03:47:18 68.22, 122.00 91.24 12/13/2018 03:46:38 68.20, 121.99 91.22 2.08 40
6 12/15/2018 18:23:02 69.24, -98.22 92.42 12/15/2018 18:24:09 69.13, -96.30 92.31 76.70 67
7 12/15/2018 19:13:29 -68.34, 70.31 88.49 12/15/2018 19:13:51 -68.36, 70.37 88.47 3.54 22
8 12/15/2018 20:04:13 68.22,-122.24 91.40 12/15/2018 20:03:19 68.21,-122.17 91.38 3.36 54
9 12/18/2018 10:39:50 68.87, 18.05 92.15 12/18/2018 10:41:00 68.80, 19.09 92.07 42.44 70
10 12/18/2018 11:30:23 -68.29,-173.86 88.44 12/18/2018 11:30:37 -68.31,-173.87 88.42 2.75 14
11 12/18/2018 12:21:07 68.18, -6.41 91.45 12/18/2018 12:20:05 68.16, -6.41 91.43 2.36 62
12 12/21/2018 02:56:41 68.67, 134.09 91.99 12/21/2018 02:57:53 68.58, 134.61 91.89 23.39 72
13 12/21/2018 03:47:18 -68.30, -58.10 88.39 12/21/2018 03:47:26 -68.32, -58.06 88.36 3.31 8
14 12/21/2018 04:38:01 68.14, 109.41 91.46 12/21/2018 04:36:54 68.17, 109.39 91.48 3.23 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/7/2018
SNOs_Map_NPP_TERRA_20181208.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/07/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service