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: 12/13/2017
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 12/15/2017 10:39:38 68.39, 18.70 91.56 12/15/2017 10:40:23 68.37, 18.74 91.54 3.21 45
2 12/15/2017 11:30:19 -68.25,-173.80 88.59 12/15/2017 11:29:53 -68.27,-173.75 88.57 3.21 26
3 12/15/2017 12:20:44 67.10, -5.10 90.27 12/15/2017 12:19:38 67.14, -7.39 90.31 99.25 66
4 12/18/2017 02:06:03 -69.30, -34.07 87.42 12/18/2017 02:07:11 -69.20, -31.98 87.53 83.33 68
5 12/18/2017 02:56:30 68.28, 134.61 91.56 12/18/2017 02:56:52 68.30, 134.55 91.57 3.29 22
6 12/18/2017 03:47:12 -68.19, -57.95 88.55 12/18/2017 03:46:22 -68.20, -57.94 88.53 1.90 50
7 12/20/2017 18:22:40 -68.45, 82.86 88.24 12/20/2017 18:23:52 -68.42, 82.92 88.27 4.28 72
8 12/20/2017 19:13:23 68.29,-109.62 91.61 12/20/2017 19:13:19 68.30,-109.57 91.61 2.25 4
9 12/20/2017 20:04:03 -68.08, 57.96 88.61 12/20/2017 20:02:51 -68.09, 57.81 88.60 6.30 72
10 12/23/2017 10:39:32 -68.34,-161.23 88.35 12/23/2017 10:40:21 -68.36,-161.26 88.34 2.12 49
11 12/23/2017 11:30:16 68.24, 6.22 91.55 12/23/2017 11:29:48 68.24, 6.24 91.54 0.90 28
12 12/23/2017 12:20:41 -67.22, 174.78 89.48 12/23/2017 12:19:33 -67.30, 172.80 89.39 85.61 68
13 12/26/2017 02:05:59 69.25, 146.00 92.52 12/26/2017 02:07:06 69.17, 148.01 92.42 80.03 67
14 12/26/2017 02:56:25 -68.29, -45.39 88.46 12/26/2017 02:56:50 -68.30, -45.45 88.46 2.44 25
15 12/26/2017 03:47:09 68.19, 122.05 91.44 12/26/2017 03:46:17 68.17, 122.05 91.42 1.53 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/13/2017
SNOs_Map_NPP_TERRA_20171213.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/13/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service