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: 12/17/2018
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 12/18/2018 10:39:40 68.36, 18.73 91.64 12/18/2018 10:40:29 68.37, 18.71 91.64 1.18 49
2 12/18/2018 11:30:22 -68.27,-173.84 88.46 12/18/2018 11:29:59 -68.25,-173.80 88.48 2.79 23
3 12/18/2018 12:20:49 67.23, -5.26 90.51 12/18/2018 12:19:42 67.25, -7.30 90.53 87.72 67
4 12/21/2018 02:06:09 -69.45, -34.29 87.22 12/21/2018 02:07:15 -69.37, -31.79 87.31 98.40 66
5 12/21/2018 02:56:34 68.32, 134.55 91.64 12/21/2018 02:56:59 68.33, 134.54 91.65 0.78 25
6 12/21/2018 03:47:16 -68.23, -58.02 88.46 12/21/2018 03:46:29 -68.22, -57.96 88.47 2.62 47
7 12/23/2018 18:22:48 -68.61, 82.63 88.08 12/23/2018 18:23:59 -68.55, 83.05 88.14 17.90 71
8 12/23/2018 19:13:28 68.28,-109.63 91.59 12/23/2018 19:13:29 68.28,-109.64 91.59 0.92 1
9 12/23/2018 20:04:10 -68.19, 57.81 88.51 12/23/2018 20:02:59 -68.17, 57.86 88.53 3.04 71
10 12/26/2018 10:39:39 -68.41,-161.34 88.35 12/26/2018 10:40:31 -68.39,-161.28 88.37 3.48 52
11 12/26/2018 11:30:22 68.25, 6.18 91.49 12/26/2018 11:29:59 68.22, 6.17 91.46 3.36 23
12 12/26/2018 12:20:50 -67.39, 174.55 89.38 12/26/2018 12:19:41 -67.44, 172.91 89.31 70.42 69
13 12/29/2018 02:06:08 69.44, 145.71 92.60 12/29/2018 02:07:14 69.32, 148.15 92.44 96.35 66
14 12/29/2018 02:56:31 -68.32, -45.45 88.56 12/29/2018 02:57:00 -68.33, -45.47 88.55 1.08 29
15 12/29/2018 03:47:15 68.22, 121.99 91.34 12/29/2018 03:46:27 68.21, 122.04 91.33 1.85 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/17/2018
SNOs_Map_NPP_TERRA_20181217.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/17/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service