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: 10/14/2019
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 10/15/2019 18:22:41 68.48, -97.08 76.99 10/15/2019 18:23:32 68.48, -97.10 76.99 0.76 51
2 10/15/2019 19:13:22 -68.34, 70.41 103.14 10/15/2019 19:13:02 -68.37, 70.40 103.11 3.49 20
3 10/15/2019 20:03:51 67.40,-121.12 75.96 10/15/2019 20:02:43 67.47,-122.99 75.99 80.20 68
4 10/18/2019 10:39:35 68.45, 18.72 77.95 10/18/2019 10:40:01 68.45, 18.75 77.95 1.15 26
5 10/18/2019 11:30:16 -68.31,-173.79 102.18 10/18/2019 11:29:32 -68.29,-173.81 102.21 2.46 44
6 10/21/2019 02:05:49 -68.77, -33.24 100.79 10/21/2019 02:07:00 -68.71, -32.71 100.84 22.24 71
7 10/21/2019 02:56:28 68.38, 134.58 78.84 10/21/2019 02:56:31 68.37, 134.52 78.83 2.81 3
8 10/21/2019 03:47:10 -68.29, -57.99 101.24 10/21/2019 03:46:01 -68.27, -57.96 101.27 2.58 69
9 10/23/2019 18:22:37 -68.48, 82.91 100.13 10/23/2019 18:23:32 -68.46, 82.86 100.15 2.98 55
10 10/23/2019 19:13:21 68.36,-109.62 79.77 10/23/2019 19:12:59 68.33,-109.64 79.74 2.60 22
11 10/23/2019 20:03:50 -67.57, 58.68 101.00 10/23/2019 20:02:40 -67.62, 57.17 100.97 64.36 70
12 10/26/2019 09:49:08 69.56, 29.87 81.86 10/26/2019 09:50:14 69.46, 32.39 81.80 98.54 66
13 10/26/2019 10:39:31 -68.46,-161.29 99.22 10/26/2019 10:40:00 -68.48,-161.23 99.20 3.49 29
14 10/26/2019 11:30:14 68.28, 6.24 80.62 10/26/2019 11:29:28 68.30, 6.19 80.63 2.31 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/14/2019
SNOs_Map_NPP_TERRA_20191014.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service