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: 1/15/2019
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 01/16/2019 18:22:44 68.66, -97.44 89.48 01/16/2019 18:23:56 68.54, -96.94 89.35 23.70 72
2 01/16/2019 19:13:20 -68.24, 70.42 90.96 01/16/2019 19:13:29 -68.27, 70.35 90.94 3.55 9
3 01/16/2019 20:04:04 68.13,-122.12 88.92 01/16/2019 20:02:56 68.16,-122.13 88.95 3.48 68
4 01/19/2019 10:39:33 68.37, 18.71 88.65 01/19/2019 10:40:28 68.34, 18.70 88.62 2.84 55
5 01/19/2019 11:30:14 -68.22,-173.78 91.51 01/19/2019 11:29:58 -68.24,-173.80 91.50 1.65 16
6 01/19/2019 12:20:45 67.40, -5.47 87.64 01/19/2019 12:19:36 67.51, -7.00 87.79 66.22 69
7 01/22/2019 02:56:25 68.30, 134.57 88.00 01/22/2019 02:56:56 68.31, 134.53 88.00 1.80 31
8 01/22/2019 03:47:07 -68.21, -57.99 92.11 01/22/2019 03:46:26 -68.20, -57.96 92.11 1.38 41
9 01/24/2019 18:22:42 -68.77, 82.42 92.13 01/24/2019 18:23:53 -68.66, 83.20 92.27 34.03 71
10 01/24/2019 19:13:19 68.28,-109.64 87.36 01/24/2019 19:13:25 68.26,-109.64 87.33 2.44 6
11 01/24/2019 20:04:00 -68.14, 57.87 92.81 01/24/2019 20:02:55 -68.16, 57.88 92.78 3.17 65
12 01/27/2019 10:39:29 -68.38,-161.30 93.20 01/27/2019 10:40:26 -68.39,-161.24 93.20 2.55 57
13 01/27/2019 11:30:12 68.22, 6.22 86.62 01/27/2019 11:29:54 68.21, 6.19 86.62 1.49 18
14 01/27/2019 12:20:43 -67.53, 174.39 94.10 01/27/2019 12:19:33 -67.62, 173.13 93.97 54.54 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/15/2019
SNOs_Map_NPP_TERRA_20190115.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/15/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service