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: 11/30/2017
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 12/02/2017 02:06:10 -69.35, -34.15 88.81 12/02/2017 02:07:17 -69.24, -31.96 88.90 86.86 67
2 12/02/2017 02:56:37 68.33, 134.55 90.18 12/02/2017 02:56:58 68.35, 134.57 90.21 2.86 21
3 12/02/2017 03:47:18 -68.18, -57.95 89.96 12/02/2017 03:46:29 -68.19, -57.99 89.96 1.77 49
4 12/04/2017 18:22:48 -68.48, 82.81 89.31 12/04/2017 18:23:59 -68.44, 82.92 89.35 6.53 71
5 12/04/2017 19:13:30 68.26,-109.60 90.48 12/04/2017 19:13:27 68.27,-109.64 90.49 2.05 3
6 12/04/2017 20:04:11 -68.11, 57.91 89.66 12/04/2017 20:02:58 -68.11, 57.80 89.67 4.63 73
7 12/07/2017 10:39:40 -68.36,-161.26 89.11 12/07/2017 10:40:28 -68.34,-161.31 89.13 3.27 48
8 12/07/2017 11:30:24 68.25, 6.19 90.79 12/07/2017 11:29:55 68.22, 6.19 90.76 3.25 29
9 12/07/2017 12:20:48 -67.18, 174.81 90.27 12/07/2017 12:19:41 -67.22, 172.68 90.25 91.73 67
10 12/10/2017 02:06:05 69.20, 146.07 92.00 12/10/2017 02:07:13 69.05, 147.82 91.85 71.84 68
11 12/10/2017 02:56:33 -68.35, -45.47 88.86 12/10/2017 02:56:54 -68.33, -45.43 88.88 2.65 21
12 12/10/2017 03:47:16 68.19, 122.04 90.99 12/10/2017 03:46:21 68.21, 122.07 91.01 2.72 55
13 12/12/2017 18:22:44 68.39, -97.07 91.40 12/12/2017 18:23:51 68.40, -97.09 91.41 1.44 67
14 12/12/2017 19:13:26 -68.29, 70.38 88.71 12/12/2017 19:13:21 -68.30, 70.42 88.69 2.55 5
15 12/12/2017 20:04:04 67.86,-121.77 90.87 12/12/2017 20:02:52 67.96,-122.34 90.97 25.97 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/30/2017
SNOs_Map_NPP_TERRA_20171130.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service